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<div class="subTitle">org.apache.sysds.runtime.matrix.data</div>
<h2 title="Class LibMatrixCuDNN" class="title">Class LibMatrixCuDNN</h2>
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<li><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCUDA.html" title="class in org.apache.sysds.runtime.matrix.data">org.apache.sysds.runtime.matrix.data.LibMatrixCUDA</a></li>
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<li>org.apache.sysds.runtime.matrix.data.LibMatrixCuDNN</li>
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<pre>public class <span class="typeNameLabel">LibMatrixCuDNN</span>
extends <a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCUDA.html" title="class in org.apache.sysds.runtime.matrix.data">LibMatrixCUDA</a></pre>
<div class="block">This class contains method that invoke CuDNN operations.</div>
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<h3>Fields inherited from class&nbsp;org.apache.sysds.runtime.matrix.data.<a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCUDA.html" title="class in org.apache.sysds.runtime.matrix.data">LibMatrixCUDA</a></h3>
<code><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCUDA.html#cudaSupportFunctions">cudaSupportFunctions</a>, <a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCUDA.html#customKernelSuffix">customKernelSuffix</a>, <a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCUDA.html#sizeOfDataType">sizeOfDataType</a></code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#LibMatrixCuDNN--">LibMatrixCuDNN</a></span>()</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#batchNormalizationBackward-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-double-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-">batchNormalizationBackward</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dout,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;scale,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dX,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dScale,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dBias,
double&nbsp;epsilon,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;resultSaveMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;resultSaveInvVariance)</code>
<div class="block">This method computes the backpropagation errors for image, scale and bias of batch normalization layer</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#batchNormalizationForwardInference-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-double-">batchNormalizationForwardInference</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;scale,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;bias,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;runningMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;runningVar,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;ret,
double&nbsp;epsilon)</code>
<div class="block">Performs the forward BatchNormalization layer computation for inference</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#batchNormalizationForwardTraining-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-double-double-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-">batchNormalizationForwardTraining</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;scale,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;bias,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;runningMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;runningVar,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;retRunningMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;retRunningVar,
double&nbsp;epsilon,
double&nbsp;exponentialAverageFactor,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;resultSaveMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;resultSaveInvVariance)</code>
<div class="block">Performs the forward BatchNormalization layer computation for training</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#conv2d-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-double-">conv2d</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;filter,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;outputBlock,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
double&nbsp;intermediateMemoryBudget)</code>
<div class="block">Performs a 2D convolution</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#conv2dBackwardData-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-double-">conv2dBackwardData</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;filter,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dout,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;output,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
double&nbsp;intermediateMemoryBudget)</code>
<div class="block">This method computes the backpropogation errors for previous layer of convolution operation</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#conv2dBackwardFilter-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-double-">conv2dBackwardFilter</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dout,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;outputBlock,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
double&nbsp;intermediateMemoryBudget)</code>
<div class="block">This method computes the backpropogation errors for filter of convolution operation</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#conv2dBiasAdd-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-double-">conv2dBiasAdd</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;bias,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;filter,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;output,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
double&nbsp;intermediateMemoryBudget)</code>
<div class="block">Does a 2D convolution followed by a bias_add</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static jcuda.Pointer</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#getDensePointerForCuDNN-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-java.lang.String-int-int-">getDensePointerForCuDNN</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
int&nbsp;numRows,
int&nbsp;numCols)</code>
<div class="block">Convenience method to get jcudaDenseMatrixPtr.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#lstm-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-jcuda.Pointer-jcuda.Pointer-jcuda.Pointer-jcuda.Pointer-boolean-java.lang.String-java.lang.String-int-int-int-int-">lstm</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
jcuda.Pointer&nbsp;X,
jcuda.Pointer&nbsp;wPointer,
jcuda.Pointer&nbsp;out0,
jcuda.Pointer&nbsp;c0,
boolean&nbsp;return_sequences,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;cyName,
int&nbsp;N,
int&nbsp;M,
int&nbsp;D,
int&nbsp;T)</code>
<div class="block">Computes the forward pass for an LSTM layer with M neurons.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#lstmBackward-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-jcuda.Pointer-jcuda.Pointer-jcuda.Pointer-jcuda.Pointer-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-boolean-int-int-int-int-">lstmBackward</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
jcuda.Pointer&nbsp;x,
jcuda.Pointer&nbsp;hx,
jcuda.Pointer&nbsp;cx,
jcuda.Pointer&nbsp;wPointer,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;doutName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dcyName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dxName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dwName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dbName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dhxName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dcxName,
boolean&nbsp;return_sequences,
int&nbsp;N,
int&nbsp;M,
int&nbsp;D,
int&nbsp;T)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#pooling-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-org.apache.sysds.runtime.matrix.data.LibMatrixDNN.PoolingType-double-">pooling</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;outputBlock,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDNN.PoolingType.html" title="enum in org.apache.sysds.runtime.matrix.data">LibMatrixDNN.PoolingType</a>&nbsp;poolingType,
double&nbsp;intermediateMemoryBudget)</code>
<div class="block">performs maxpooling on GPU by exploiting cudnnPoolingForward(...)</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#poolingBackward-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-org.apache.sysds.runtime.matrix.data.LibMatrixDNN.PoolingType-double-">poolingBackward</a></span>(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dout,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;maxpoolOutput,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;outputBlock,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDNN.PoolingType.html" title="enum in org.apache.sysds.runtime.matrix.data">LibMatrixDNN.PoolingType</a>&nbsp;poolingType,
double&nbsp;intermediateMemoryBudget)</code>
<div class="block">Performs maxpoolingBackward on GPU by exploiting cudnnPoolingBackward(...)
This method computes the backpropogation errors for previous layer of maxpooling operation</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#relu-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-java.lang.String-">relu</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;in,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputName)</code>
<div class="block">Performs the relu operation on the GPU.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCuDNN.html#softmax-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-java.lang.String-">softmax</a></span>(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;in1,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputName)</code>
<div class="block">Performs an "softmax" operation on a matrix on the GPU</div>
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<h3>Methods inherited from class&nbsp;org.apache.sysds.runtime.matrix.data.<a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixCUDA.html" title="class in org.apache.sysds.runtime.matrix.data">LibMatrixCUDA</a></h3>
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<h4>LibMatrixCuDNN</h4>
<pre>public&nbsp;LibMatrixCuDNN()</pre>
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<a name="conv2dBiasAdd-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-double-">
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<pre>public static&nbsp;void&nbsp;conv2dBiasAdd(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;bias,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;filter,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;output,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
double&nbsp;intermediateMemoryBudget)</pre>
<div class="block">Does a 2D convolution followed by a bias_add</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - the invoking instruction's name for record <a href="../../../../../../org/apache/sysds/utils/Statistics.html" title="class in org.apache.sysds.utils"><code>Statistics</code></a>.</dd>
<dd><code>image</code> - input image matrix object</dd>
<dd><code>bias</code> - bias matrix object</dd>
<dd><code>filter</code> - filter matrix object</dd>
<dd><code>output</code> - output matrix object</dd>
<dd><code>N</code> - number of input images</dd>
<dd><code>C</code> - number of channels</dd>
<dd><code>H</code> - height of each image</dd>
<dd><code>W</code> - width of each image</dd>
<dd><code>K</code> - number of output "channels"</dd>
<dd><code>R</code> - height of filter</dd>
<dd><code>S</code> - width of filter</dd>
<dd><code>pad_h</code> - padding height</dd>
<dd><code>pad_w</code> - padding width</dd>
<dd><code>stride_h</code> - stride height</dd>
<dd><code>stride_w</code> - string width</dd>
<dd><code>P</code> - output height</dd>
<dd><code>Q</code> - output width</dd>
<dd><code>intermediateMemoryBudget</code> - intermediate memory budget</dd>
</dl>
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<h4>conv2d</h4>
<pre>public static&nbsp;void&nbsp;conv2d(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;filter,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;outputBlock,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
double&nbsp;intermediateMemoryBudget)</pre>
<div class="block">Performs a 2D convolution</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - the invoking instruction's name for record <a href="../../../../../../org/apache/sysds/utils/Statistics.html" title="class in org.apache.sysds.utils"><code>Statistics</code></a>.</dd>
<dd><code>image</code> - input matrix object</dd>
<dd><code>filter</code> - filter matrix object</dd>
<dd><code>outputBlock</code> - output matrix object</dd>
<dd><code>N</code> - number of input images</dd>
<dd><code>C</code> - number of channels</dd>
<dd><code>H</code> - height of each image</dd>
<dd><code>W</code> - width of each image</dd>
<dd><code>K</code> - number of output "channels"</dd>
<dd><code>R</code> - height of filter</dd>
<dd><code>S</code> - width of filter</dd>
<dd><code>pad_h</code> - padding height</dd>
<dd><code>pad_w</code> - padding width</dd>
<dd><code>stride_h</code> - stride height</dd>
<dd><code>stride_w</code> - string width</dd>
<dd><code>P</code> - output height</dd>
<dd><code>Q</code> - output width</dd>
<dd><code>intermediateMemoryBudget</code> - intermediate memory budget</dd>
</dl>
</li>
</ul>
<a name="softmax-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-java.lang.String-">
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<h4>softmax</h4>
<pre>public static&nbsp;void&nbsp;softmax(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;in1,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputName)</pre>
<div class="block">Performs an "softmax" operation on a matrix on the GPU</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ec</code> - execution context</dd>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - the invoking instruction's name for record <a href="../../../../../../org/apache/sysds/utils/Statistics.html" title="class in org.apache.sysds.utils"><code>Statistics</code></a>.</dd>
<dd><code>in1</code> - input matrix</dd>
<dd><code>outputName</code> - output matrix name</dd>
</dl>
</li>
</ul>
<a name="conv2dBackwardFilter-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-double-">
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<h4>conv2dBackwardFilter</h4>
<pre>public static&nbsp;void&nbsp;conv2dBackwardFilter(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dout,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;outputBlock,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
double&nbsp;intermediateMemoryBudget)</pre>
<div class="block">This method computes the backpropogation errors for filter of convolution operation</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - the invoking instruction's name for record <a href="../../../../../../org/apache/sysds/utils/Statistics.html" title="class in org.apache.sysds.utils"><code>Statistics</code></a>.</dd>
<dd><code>image</code> - input image</dd>
<dd><code>dout</code> - errors from next layer</dd>
<dd><code>outputBlock</code> - output errors</dd>
<dd><code>N</code> - number of images</dd>
<dd><code>C</code> - number of channels</dd>
<dd><code>H</code> - height</dd>
<dd><code>W</code> - width</dd>
<dd><code>K</code> - number of filters</dd>
<dd><code>R</code> - filter height</dd>
<dd><code>S</code> - filter width</dd>
<dd><code>pad_h</code> - pad height</dd>
<dd><code>pad_w</code> - pad width</dd>
<dd><code>stride_h</code> - stride height</dd>
<dd><code>stride_w</code> - stride width</dd>
<dd><code>P</code> - output activation height</dd>
<dd><code>Q</code> - output activation width</dd>
<dd><code>intermediateMemoryBudget</code> - intermediate memory budget</dd>
</dl>
</li>
</ul>
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<h4>conv2dBackwardData</h4>
<pre>public static&nbsp;void&nbsp;conv2dBackwardData(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;filter,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dout,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;output,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
double&nbsp;intermediateMemoryBudget)</pre>
<div class="block">This method computes the backpropogation errors for previous layer of convolution operation</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - the invoking instruction's name for record <a href="../../../../../../org/apache/sysds/utils/Statistics.html" title="class in org.apache.sysds.utils"><code>Statistics</code></a>.</dd>
<dd><code>filter</code> - filter used in conv2d</dd>
<dd><code>dout</code> - errors from next layer</dd>
<dd><code>output</code> - output errors</dd>
<dd><code>N</code> - number of images</dd>
<dd><code>C</code> - number of channels</dd>
<dd><code>H</code> - height</dd>
<dd><code>W</code> - width</dd>
<dd><code>K</code> - number of filters</dd>
<dd><code>R</code> - filter height</dd>
<dd><code>S</code> - filter width</dd>
<dd><code>pad_h</code> - pad height</dd>
<dd><code>pad_w</code> - pad width</dd>
<dd><code>stride_h</code> - stride height</dd>
<dd><code>stride_w</code> - stride width</dd>
<dd><code>P</code> - output activation height</dd>
<dd><code>Q</code> - output activation width</dd>
<dd><code>intermediateMemoryBudget</code> - intermediate memory budget</dd>
</dl>
</li>
</ul>
<a name="pooling-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-org.apache.sysds.runtime.matrix.data.LibMatrixDNN.PoolingType-double-">
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<h4>pooling</h4>
<pre>public static&nbsp;void&nbsp;pooling(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;outputBlock,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDNN.PoolingType.html" title="enum in org.apache.sysds.runtime.matrix.data">LibMatrixDNN.PoolingType</a>&nbsp;poolingType,
double&nbsp;intermediateMemoryBudget)</pre>
<div class="block">performs maxpooling on GPU by exploiting cudnnPoolingForward(...)</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - the invoking instruction's name for record <a href="../../../../../../org/apache/sysds/utils/Statistics.html" title="class in org.apache.sysds.utils"><code>Statistics</code></a>.</dd>
<dd><code>image</code> - image as matrix object</dd>
<dd><code>outputBlock</code> - output matrix</dd>
<dd><code>N</code> - batch size</dd>
<dd><code>C</code> - number of channels</dd>
<dd><code>H</code> - height of image</dd>
<dd><code>W</code> - width of image</dd>
<dd><code>K</code> - number of filters</dd>
<dd><code>R</code> - height of filter</dd>
<dd><code>S</code> - width of filter</dd>
<dd><code>pad_h</code> - vertical padding</dd>
<dd><code>pad_w</code> - horizontal padding</dd>
<dd><code>stride_h</code> - horizontal stride</dd>
<dd><code>stride_w</code> - vertical stride</dd>
<dd><code>P</code> - (H - R + 1 + 2*pad_h)/stride_h</dd>
<dd><code>Q</code> - (W - S + 1 + 2*pad_w)/stride_w</dd>
<dd><code>poolingType</code> - type of pooling</dd>
<dd><code>intermediateMemoryBudget</code> - intermediate memory budget</dd>
</dl>
</li>
</ul>
<a name="poolingBackward-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-int-int-int-int-int-int-int-int-int-int-int-int-int-org.apache.sysds.runtime.matrix.data.LibMatrixDNN.PoolingType-double-">
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<h4>poolingBackward</h4>
<pre>public static&nbsp;void&nbsp;poolingBackward(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dout,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;maxpoolOutput,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;outputBlock,
int&nbsp;N,
int&nbsp;C,
int&nbsp;H,
int&nbsp;W,
int&nbsp;K,
int&nbsp;R,
int&nbsp;S,
int&nbsp;pad_h,
int&nbsp;pad_w,
int&nbsp;stride_h,
int&nbsp;stride_w,
int&nbsp;P,
int&nbsp;Q,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixDNN.PoolingType.html" title="enum in org.apache.sysds.runtime.matrix.data">LibMatrixDNN.PoolingType</a>&nbsp;poolingType,
double&nbsp;intermediateMemoryBudget)</pre>
<div class="block">Performs maxpoolingBackward on GPU by exploiting cudnnPoolingBackward(...)
This method computes the backpropogation errors for previous layer of maxpooling operation</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - the invoking instruction's name for record <a href="../../../../../../org/apache/sysds/utils/Statistics.html" title="class in org.apache.sysds.utils"><code>Statistics</code></a>.</dd>
<dd><code>image</code> - image as matrix object</dd>
<dd><code>dout</code> - delta matrix, output of previous layer</dd>
<dd><code>maxpoolOutput</code> - (optional and can be null) output of maxpool forward function</dd>
<dd><code>outputBlock</code> - output matrix</dd>
<dd><code>N</code> - batch size</dd>
<dd><code>C</code> - number of channels</dd>
<dd><code>H</code> - height of image</dd>
<dd><code>W</code> - width of image</dd>
<dd><code>K</code> - number of filters</dd>
<dd><code>R</code> - height of filter</dd>
<dd><code>S</code> - width of filter</dd>
<dd><code>pad_h</code> - vertical padding</dd>
<dd><code>pad_w</code> - horizontal padding</dd>
<dd><code>stride_h</code> - horizontal stride</dd>
<dd><code>stride_w</code> - vertical stride</dd>
<dd><code>P</code> - (H - R + 1 + 2*pad_h)/stride_h</dd>
<dd><code>Q</code> - (W - S + 1 + 2*pad_w)/stride_w</dd>
<dd><code>poolingType</code> - type of pooling</dd>
<dd><code>intermediateMemoryBudget</code> - intermediate memory budget</dd>
</dl>
</li>
</ul>
<a name="relu-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-java.lang.String-">
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<h4>relu</h4>
<pre>public static&nbsp;void&nbsp;relu(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;in,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputName)</pre>
<div class="block">Performs the relu operation on the GPU.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ec</code> - currently active <a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context"><code>ExecutionContext</code></a></dd>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - the invoking instruction's name for record <a href="../../../../../../org/apache/sysds/utils/Statistics.html" title="class in org.apache.sysds.utils"><code>Statistics</code></a>.</dd>
<dd><code>in</code> - input matrix</dd>
<dd><code>outputName</code> - name of the output matrix</dd>
</dl>
</li>
</ul>
<a name="lstm-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-jcuda.Pointer-jcuda.Pointer-jcuda.Pointer-jcuda.Pointer-boolean-java.lang.String-java.lang.String-int-int-int-int-">
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<h4>lstm</h4>
<pre>public static&nbsp;void&nbsp;lstm(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
jcuda.Pointer&nbsp;X,
jcuda.Pointer&nbsp;wPointer,
jcuda.Pointer&nbsp;out0,
jcuda.Pointer&nbsp;c0,
boolean&nbsp;return_sequences,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;outputName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;cyName,
int&nbsp;N,
int&nbsp;M,
int&nbsp;D,
int&nbsp;T)
throws <a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></pre>
<div class="block">Computes the forward pass for an LSTM layer with M neurons.
The input data has N sequences of T examples, each with D features.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ec</code> - execution context</dd>
<dd><code>gCtx</code> - gpu context</dd>
<dd><code>instName</code> - name of the instruction</dd>
<dd><code>X</code> - input matrix pointer</dd>
<dd><code>wPointer</code> - weight matrix pointer</dd>
<dd><code>out0</code> - Outputs from previous timestep</dd>
<dd><code>c0</code> - Initial cell state</dd>
<dd><code>return_sequences</code> - Whether to return `out` at all timesteps, or just for the final timestep.</dd>
<dd><code>outputName</code> - name of the out variable. If `return_sequences` is True, outputs for all timesteps.</dd>
<dd><code>cyName</code> - name of the output cell state. Cell state for final timestep.</dd>
<dd><code>N</code> - minibatch size</dd>
<dd><code>M</code> - hidden size</dd>
<dd><code>D</code> - number of features</dd>
<dd><code>T</code> - sequence length</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></code> - if error</dd>
</dl>
</li>
</ul>
<a name="lstmBackward-org.apache.sysds.runtime.controlprogram.context.ExecutionContext-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-jcuda.Pointer-jcuda.Pointer-jcuda.Pointer-jcuda.Pointer-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-boolean-int-int-int-int-">
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<h4>lstmBackward</h4>
<pre>public static&nbsp;void&nbsp;lstmBackward(<a href="../../../../../../org/apache/sysds/runtime/controlprogram/context/ExecutionContext.html" title="class in org.apache.sysds.runtime.controlprogram.context">ExecutionContext</a>&nbsp;ec,
<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
jcuda.Pointer&nbsp;x,
jcuda.Pointer&nbsp;hx,
jcuda.Pointer&nbsp;cx,
jcuda.Pointer&nbsp;wPointer,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;doutName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dcyName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dxName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dwName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dbName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dhxName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;dcxName,
boolean&nbsp;return_sequences,
int&nbsp;N,
int&nbsp;M,
int&nbsp;D,
int&nbsp;T)
throws <a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></code></dd>
</dl>
</li>
</ul>
<a name="batchNormalizationForwardTraining-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-java.lang.String-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-double-double-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-">
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<h4>batchNormalizationForwardTraining</h4>
<pre>public static&nbsp;void&nbsp;batchNormalizationForwardTraining(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;scale,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;bias,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;runningMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;runningVar,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;retRunningMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;retRunningVar,
double&nbsp;epsilon,
double&nbsp;exponentialAverageFactor,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;resultSaveMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;resultSaveInvVariance)
throws <a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></pre>
<div class="block">Performs the forward BatchNormalization layer computation for training</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - name of the instruction</dd>
<dd><code>image</code> - input image</dd>
<dd><code>scale</code> - scale (as per CuDNN) and gamma as per original paper: shape [1, C, 1, 1]</dd>
<dd><code>bias</code> - bias (as per CuDNN) and beta as per original paper: shape [1, C, 1, 1]</dd>
<dd><code>runningMean</code> - running mean accumulated during training phase: shape [1, C, 1, 1]</dd>
<dd><code>runningVar</code> - running variance accumulated during training phase: shape [1, C, 1, 1]</dd>
<dd><code>ret</code> - (output) normalized input</dd>
<dd><code>retRunningMean</code> - (output) running mean accumulated during training phase: shape [1, C, 1, 1]</dd>
<dd><code>retRunningVar</code> - (output) running variance accumulated during training phase: shape [1, C, 1, 1]</dd>
<dd><code>epsilon</code> - epsilon value used in the batch normalization formula</dd>
<dd><code>exponentialAverageFactor</code> - factor used in the moving average computation</dd>
<dd><code>resultSaveMean</code> - (output) running mean accumulated during training phase: shape [1, C, 1, 1]</dd>
<dd><code>resultSaveInvVariance</code> - (output) running variance accumulated during training phase: shape [1, C, 1, 1]</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></code> - if error occurs</dd>
</dl>
</li>
</ul>
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<h4>batchNormalizationForwardInference</h4>
<pre>public static&nbsp;void&nbsp;batchNormalizationForwardInference(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;scale,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;bias,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;runningMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;runningVar,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;ret,
double&nbsp;epsilon)
throws <a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></pre>
<div class="block">Performs the forward BatchNormalization layer computation for inference</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - name of the instruction</dd>
<dd><code>image</code> - input image</dd>
<dd><code>scale</code> - scale (as per CuDNN) and gamma as per original paper: shape [1, C, 1, 1]</dd>
<dd><code>bias</code> - bias (as per CuDNN) and beta as per original paper: shape [1, C, 1, 1]</dd>
<dd><code>runningMean</code> - running mean accumulated during training phase: shape [1, C, 1, 1]</dd>
<dd><code>runningVar</code> - running variance accumulated during training phase: shape [1, C, 1, 1]</dd>
<dd><code>ret</code> - normalized input</dd>
<dd><code>epsilon</code> - epsilon value used in the batch normalization formula</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></code> - if error occurs</dd>
</dl>
</li>
</ul>
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<h4>batchNormalizationBackward</h4>
<pre>public static&nbsp;void&nbsp;batchNormalizationBackward(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dout,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;scale,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dX,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dScale,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;dBias,
double&nbsp;epsilon,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;resultSaveMean,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;resultSaveInvVariance)
throws <a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></pre>
<div class="block">This method computes the backpropagation errors for image, scale and bias of batch normalization layer</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>instName</code> - name of the instruction</dd>
<dd><code>image</code> - input image</dd>
<dd><code>dout</code> - input errors of shape C, H, W</dd>
<dd><code>scale</code> - scale (as per CuDNN) and gamma as per original paper: shape [1, C, 1, 1]</dd>
<dd><code>dX</code> - (output) backpropagation errors for previous layer</dd>
<dd><code>dScale</code> - backpropagation error for scale</dd>
<dd><code>dBias</code> - backpropagation error for bias</dd>
<dd><code>epsilon</code> - epsilon value used in the batch normalization formula</dd>
<dd><code>resultSaveMean</code> - (input) running mean accumulated during training phase: shape [1, C, 1, 1]</dd>
<dd><code>resultSaveInvVariance</code> - (input) running variance accumulated during training phase: shape [1, C, 1, 1]</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></code> - if error occurs</dd>
</dl>
</li>
</ul>
<a name="getDensePointerForCuDNN-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-org.apache.sysds.runtime.controlprogram.caching.MatrixObject-java.lang.String-int-int-">
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<h4>getDensePointerForCuDNN</h4>
<pre>public static&nbsp;jcuda.Pointer&nbsp;getDensePointerForCuDNN(<a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a>&nbsp;gCtx,
<a href="../../../../../../org/apache/sysds/runtime/controlprogram/caching/MatrixObject.html" title="class in org.apache.sysds.runtime.controlprogram.caching">MatrixObject</a>&nbsp;image,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;instName,
int&nbsp;numRows,
int&nbsp;numCols)
throws <a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></pre>
<div class="block">Convenience method to get jcudaDenseMatrixPtr. This method explicitly converts sparse to dense format, so use it judiciously.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>gCtx</code> - a valid <a href="../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context"><code>GPUContext</code></a></dd>
<dd><code>image</code> - input matrix object</dd>
<dd><code>instName</code> - name of the instruction</dd>
<dd><code>numRows</code> - expected number of rows</dd>
<dd><code>numCols</code> - expected number of columns</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>jcuda pointer</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></code> - if error occurs while sparse to dense conversion</dd>
</dl>
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