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<div class="subTitle">org.apache.sysds.runtime.matrix.data</div>
<h2 title="Class LibMatrixMult" class="title">Class LibMatrixMult</h2>
</div>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li>org.apache.sysds.runtime.matrix.data.LibMatrixMult</li>
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<pre>public class <span class="typeNameLabel">LibMatrixMult</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">MB: Library for matrix multiplications including MM, MV, VV for all
combinations of dense, sparse, ultrasparse representations and special
operations such as transpose-self matrix multiplication.
<p>
In general all implementations use internally dense outputs
for direct access, but change the final result to sparse if necessary.
The only exceptions are ultra-sparse matrix mult, wsloss and wsigmoid.</div>
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<h3>Field Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#L2_CACHESIZE">L2_CACHESIZE</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#L3_CACHESIZE">L3_CACHESIZE</a></span></code>&nbsp;</td>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<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>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#copyUpperToLowerTriangle-org.apache.sysds.runtime.matrix.data.MatrixBlock-">copyUpperToLowerTriangle</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret)</code>
<div class="block">Used for all version of TSMM where the result is known to be symmetric.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#dotProduct-double:A-double:A-int:A-int-int-int-">dotProduct</a></span>(double[]&nbsp;a,
double[]&nbsp;b,
int[]&nbsp;aix,
int&nbsp;ai,
int&nbsp;bi,
int&nbsp;len)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>static double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#dotProduct-double:A-double:A-int-int-int-">dotProduct</a></span>(double[]&nbsp;a,
double[]&nbsp;b,
int&nbsp;ai,
int&nbsp;bi,
int&nbsp;len)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#isOuterProductTSMM-int-int-boolean-">isOuterProductTSMM</a></span>(int&nbsp;rlen,
int&nbsp;clen,
boolean&nbsp;left)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#isSkinnyRightHandSide-long-long-long-long-boolean-">isSkinnyRightHandSide</a></span>(long&nbsp;m1rlen,
long&nbsp;m1clen,
long&nbsp;m2rlen,
long&nbsp;m2clen,
boolean&nbsp;inclCacheSize)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#isSparseOutputMatrixMult-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-">isSparseOutputMatrixMult</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#isUltraSparseMatrixMult-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-boolean-">isUltraSparseMatrixMult</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
boolean&nbsp;m1Perm)</code>&nbsp;</td>
</tr>
<tr id="i7" 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/LibMatrixMult.html#matrixMult-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-">matrixMult</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret)</code>
<div class="block">Performs a matrix multiplication and stores the result in the output matrix.</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/LibMatrixMult.html#matrixMult-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-boolean-">matrixMult</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
boolean&nbsp;fixedRet)</code>
<div class="block">This method allows one to disabling exam sparsity.</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/LibMatrixMult.html#matrixMult-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-">matrixMult</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
int&nbsp;k)</code>
<div class="block">Performs a multi-threaded matrix multiplication and stores the result in the output matrix.</div>
</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/LibMatrixMult.html#matrixMult-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-">matrixMult</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
int&nbsp;rl,
int&nbsp;ru)</code>&nbsp;</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/LibMatrixMult.html#matrixMult-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-int-boolean-">matrixMult</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
int&nbsp;rl,
int&nbsp;ru,
boolean&nbsp;fixedRet)</code>&nbsp;</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/LibMatrixMult.html#matrixMultChain-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.MapMultChain.ChainType-">matrixMultChain</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/MapMultChain.ChainType.html" title="enum in org.apache.sysds.lops">MapMultChain.ChainType</a>&nbsp;ct)</code>
<div class="block">Performs a matrix multiplication chain operation of type t(X)%*%(X%*%v) or t(X)%*%(w*(X%*%v)).</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/LibMatrixMult.html#matrixMultChain-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.MapMultChain.ChainType-int-">matrixMultChain</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/MapMultChain.ChainType.html" title="enum in org.apache.sysds.lops">MapMultChain.ChainType</a>&nbsp;ct,
int&nbsp;k)</code>
<div class="block">Performs a parallel matrix multiplication chain operation of type t(X)%*%(X%*%v) or t(X)%*%(w*(X%*%v)).</div>
</td>
</tr>
<tr id="i14" 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/LibMatrixMult.html#matrixMultDenseDenseMM-org.apache.sysds.runtime.data.DenseBlock-org.apache.sysds.runtime.data.DenseBlock-org.apache.sysds.runtime.data.DenseBlock-int-int-int-int-int-int-">matrixMultDenseDenseMM</a></span>(<a href="../../../../../../org/apache/sysds/runtime/data/DenseBlock.html" title="class in org.apache.sysds.runtime.data">DenseBlock</a>&nbsp;a,
<a href="../../../../../../org/apache/sysds/runtime/data/DenseBlock.html" title="class in org.apache.sysds.runtime.data">DenseBlock</a>&nbsp;b,
<a href="../../../../../../org/apache/sysds/runtime/data/DenseBlock.html" title="class in org.apache.sysds.runtime.data">DenseBlock</a>&nbsp;c,
int&nbsp;n,
int&nbsp;cd,
int&nbsp;rl,
int&nbsp;ru,
int&nbsp;cl,
int&nbsp;cu)</code>&nbsp;</td>
</tr>
<tr id="i15" 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/LibMatrixMult.html#matrixMultPermute-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-">matrixMultPermute</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;pm1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret2)</code>&nbsp;</td>
</tr>
<tr id="i16" 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/LibMatrixMult.html#matrixMultPermute-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-">matrixMultPermute</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;pm1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret2,
int&nbsp;k)</code>&nbsp;</td>
</tr>
<tr id="i17" 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/LibMatrixMult.html#matrixMultTransposeSelf-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-boolean-">matrixMultTransposeSelf</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
boolean&nbsp;leftTranspose)</code>&nbsp;</td>
</tr>
<tr id="i18" 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/LibMatrixMult.html#matrixMultTransposeSelf-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-boolean-int-">matrixMultTransposeSelf</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
boolean&nbsp;leftTranspose,
int&nbsp;k)</code>&nbsp;</td>
</tr>
<tr id="i19" 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/LibMatrixMult.html#matrixMultWCeMM-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-double-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedCrossEntropy.WCeMMType-">matrixMultWCeMM</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
double&nbsp;eps,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedCrossEntropy.WCeMMType.html" title="enum in org.apache.sysds.lops">WeightedCrossEntropy.WCeMMType</a>&nbsp;wt)</code>&nbsp;</td>
</tr>
<tr id="i20" 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/LibMatrixMult.html#matrixMultWCeMM-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-double-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedCrossEntropy.WCeMMType-int-">matrixMultWCeMM</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
double&nbsp;eps,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedCrossEntropy.WCeMMType.html" title="enum in org.apache.sysds.lops">WeightedCrossEntropy.WCeMMType</a>&nbsp;wt,
int&nbsp;k)</code>&nbsp;</td>
</tr>
<tr id="i21" 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/LibMatrixMult.html#matrixMultWDivMM-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedDivMM.WDivMMType-">matrixMultWDivMM</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedDivMM.WDivMMType.html" title="enum in org.apache.sysds.lops">WeightedDivMM.WDivMMType</a>&nbsp;wt)</code>
<div class="block">NOTE: This operation has limited NaN support, which is acceptable because all our sparse-safe operations
have only limited NaN support.</div>
</td>
</tr>
<tr id="i22" 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/LibMatrixMult.html#matrixMultWDivMM-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedDivMM.WDivMMType-int-">matrixMultWDivMM</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedDivMM.WDivMMType.html" title="enum in org.apache.sysds.lops">WeightedDivMM.WDivMMType</a>&nbsp;wt,
int&nbsp;k)</code>
<div class="block">NOTE: This operation has limited NaN support, which is acceptable because all our sparse-safe operations
have only limited NaN support.</div>
</td>
</tr>
<tr id="i23" 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/LibMatrixMult.html#matrixMultWSigmoid-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedSigmoid.WSigmoidType-">matrixMultWSigmoid</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedSigmoid.WSigmoidType.html" title="enum in org.apache.sysds.lops">WeightedSigmoid.WSigmoidType</a>&nbsp;wt)</code>&nbsp;</td>
</tr>
<tr id="i24" 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/LibMatrixMult.html#matrixMultWSigmoid-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedSigmoid.WSigmoidType-int-">matrixMultWSigmoid</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedSigmoid.WSigmoidType.html" title="enum in org.apache.sysds.lops">WeightedSigmoid.WSigmoidType</a>&nbsp;wt,
int&nbsp;k)</code>&nbsp;</td>
</tr>
<tr id="i25" 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/LibMatrixMult.html#matrixMultWSLoss-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedSquaredLoss.WeightsType-">matrixMultWSLoss</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedSquaredLoss.WeightsType.html" title="enum in org.apache.sysds.lops">WeightedSquaredLoss.WeightsType</a>&nbsp;wt)</code>&nbsp;</td>
</tr>
<tr id="i26" 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/LibMatrixMult.html#matrixMultWSLoss-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedSquaredLoss.WeightsType-int-">matrixMultWSLoss</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedSquaredLoss.WeightsType.html" title="enum in org.apache.sysds.lops">WeightedSquaredLoss.WeightsType</a>&nbsp;wt,
int&nbsp;k)</code>&nbsp;</td>
</tr>
<tr id="i27" 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/LibMatrixMult.html#matrixMultWuMM-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedUnaryMM.WUMMType-org.apache.sysds.runtime.functionobjects.ValueFunction-">matrixMultWuMM</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedUnaryMM.WUMMType.html" title="enum in org.apache.sysds.lops">WeightedUnaryMM.WUMMType</a>&nbsp;wt,
<a href="../../../../../../org/apache/sysds/runtime/functionobjects/ValueFunction.html" title="class in org.apache.sysds.runtime.functionobjects">ValueFunction</a>&nbsp;fn)</code>&nbsp;</td>
</tr>
<tr id="i28" 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/LibMatrixMult.html#matrixMultWuMM-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.lops.WeightedUnaryMM.WUMMType-org.apache.sysds.runtime.functionobjects.ValueFunction-int-">matrixMultWuMM</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
<a href="../../../../../../org/apache/sysds/lops/WeightedUnaryMM.WUMMType.html" title="enum in org.apache.sysds.lops">WeightedUnaryMM.WUMMType</a>&nbsp;wt,
<a href="../../../../../../org/apache/sysds/runtime/functionobjects/ValueFunction.html" title="class in org.apache.sysds.runtime.functionobjects">ValueFunction</a>&nbsp;fn,
int&nbsp;k)</code>&nbsp;</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#prepMatrixMultTransposeSelfInput-org.apache.sysds.runtime.matrix.data.MatrixBlock-boolean-boolean-">prepMatrixMultTransposeSelfInput</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
boolean&nbsp;leftTranspose,
boolean&nbsp;par)</code>&nbsp;</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#satisfiesMultiThreadingConstraints-org.apache.sysds.runtime.matrix.data.MatrixBlock-boolean-boolean-long-int-">satisfiesMultiThreadingConstraints</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
boolean&nbsp;checkMem,
boolean&nbsp;checkFLOPs,
long&nbsp;FPfactor,
int&nbsp;k)</code>&nbsp;</td>
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<tr id="i31" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#satisfiesMultiThreadingConstraints-org.apache.sysds.runtime.matrix.data.MatrixBlock-int-">satisfiesMultiThreadingConstraints</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
int&nbsp;k)</code>&nbsp;</td>
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<tr id="i32" class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/sysds/runtime/matrix/data/LibMatrixMult.html#satisfiesMultiThreadingConstraints-org.apache.sysds.runtime.matrix.data.MatrixBlock-org.apache.sysds.runtime.matrix.data.MatrixBlock-boolean-boolean-long-int-">satisfiesMultiThreadingConstraints</a></span>(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
boolean&nbsp;checkMem,
boolean&nbsp;checkFLOPs,
long&nbsp;FPfactor,
int&nbsp;k)</code>&nbsp;</td>
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<tr id="i33" 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/LibMatrixMult.html#vectAdd-double:A-double:A-int:A-int-int-int-">vectAdd</a></span>(double[]&nbsp;a,
double[]&nbsp;c,
int[]&nbsp;aix,
int&nbsp;ai,
int&nbsp;ci,
int&nbsp;alen)</code>&nbsp;</td>
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<tr id="i34" 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/LibMatrixMult.html#vectAdd-double:A-double:A-int-int-int-">vectAdd</a></span>(double[]&nbsp;a,
double[]&nbsp;c,
int&nbsp;ai,
int&nbsp;ci,
int&nbsp;len)</code>&nbsp;</td>
</tr>
<tr id="i35" 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/LibMatrixMult.html#vectAdd-double:A-double-double:A-int-int-int-">vectAdd</a></span>(double[]&nbsp;a,
double&nbsp;bval,
double[]&nbsp;c,
int&nbsp;ai,
int&nbsp;ci,
int&nbsp;len)</code>&nbsp;</td>
</tr>
<tr id="i36" 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/LibMatrixMult.html#vectAddInPlace-double-double:A-int-int-">vectAddInPlace</a></span>(double&nbsp;aval,
double[]&nbsp;c,
int&nbsp;ci,
int&nbsp;len)</code>&nbsp;</td>
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<tr id="i37" 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/LibMatrixMult.html#vectMultiplyAdd-double-double:A-double:A-int:A-int-int-int-">vectMultiplyAdd</a></span>(double&nbsp;aval,
double[]&nbsp;b,
double[]&nbsp;c,
int[]&nbsp;bix,
int&nbsp;bi,
int&nbsp;ci,
int&nbsp;len)</code>&nbsp;</td>
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<tr id="i38" 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/LibMatrixMult.html#vectMultiplyAdd-double-double:A-double:A-int-int-int-">vectMultiplyAdd</a></span>(double&nbsp;aval,
double[]&nbsp;b,
double[]&nbsp;c,
int&nbsp;bi,
int&nbsp;ci,
int&nbsp;len)</code>&nbsp;</td>
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<tr id="i39" 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/LibMatrixMult.html#vectMultiplyInPlace-double-double:A-int-int-">vectMultiplyInPlace</a></span>(double&nbsp;aval,
double[]&nbsp;c,
int&nbsp;ci,
int&nbsp;len)</code>&nbsp;</td>
</tr>
<tr id="i40" 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/LibMatrixMult.html#vectMultiplyWrite-double:A-double:A-double:A-int:A-int-int-int-int-">vectMultiplyWrite</a></span>(double[]&nbsp;a,
double[]&nbsp;b,
double[]&nbsp;c,
int[]&nbsp;bix,
int&nbsp;ai,
int&nbsp;bi,
int&nbsp;ci,
int&nbsp;len)</code>&nbsp;</td>
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<tr id="i41" 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/LibMatrixMult.html#vectMultiplyWrite-double:A-double:A-double:A-int-int-int-int-">vectMultiplyWrite</a></span>(double[]&nbsp;a,
double[]&nbsp;b,
double[]&nbsp;c,
int&nbsp;ai,
int&nbsp;bi,
int&nbsp;ci,
int&nbsp;len)</code>&nbsp;</td>
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<tr id="i42" 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/LibMatrixMult.html#vectMultiplyWrite-double-double:A-double:A-int-int-int-">vectMultiplyWrite</a></span>(double&nbsp;aval,
double[]&nbsp;b,
double[]&nbsp;c,
int&nbsp;bi,
int&nbsp;ci,
int&nbsp;len)</code>&nbsp;</td>
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<pre>public static final&nbsp;int L2_CACHESIZE</pre>
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<dd><a href="../../../../../../constant-values.html#org.apache.sysds.runtime.matrix.data.LibMatrixMult.L2_CACHESIZE">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int L3_CACHESIZE</pre>
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<pre>public static&nbsp;void&nbsp;matrixMult(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret)</pre>
<div class="block">Performs a matrix multiplication and stores the result in the output matrix.
All variants use a IKJ access pattern, and internally use dense output. After the
actual computation, we recompute nnz and check for sparse/dense representation.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>m1</code> - first matrix</dd>
<dd><code>m2</code> - second matrix</dd>
<dd><code>ret</code> - result matrix</dd>
</dl>
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<pre>public static&nbsp;void&nbsp;matrixMult(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
boolean&nbsp;fixedRet)</pre>
<div class="block">This method allows one to disabling exam sparsity. This feature is useful if matrixMult is used as an intermediate
operation (for example: LibMatrixDNN). It makes sense for LibMatrixDNN because the output is internally
consumed by another dense instruction, which makes repeated conversion to sparse wasteful.
This should be used in rare cases and if you are unsure,
use the method 'matrixMult(MatrixBlock m1, MatrixBlock m2, MatrixBlock ret)' instead.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>m1</code> - first matrix</dd>
<dd><code>m2</code> - second matrix</dd>
<dd><code>ret</code> - result matrix</dd>
<dd><code>fixedRet</code> - if true, output representation is fixed and nnzs not recomputed</dd>
</dl>
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<pre>public static&nbsp;void&nbsp;matrixMult(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
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int&nbsp;rl,
int&nbsp;ru)</pre>
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<pre>public static&nbsp;void&nbsp;matrixMult(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
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int&nbsp;rl,
int&nbsp;ru,
boolean&nbsp;fixedRet)</pre>
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<pre>public static&nbsp;void&nbsp;matrixMult(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
int&nbsp;k)</pre>
<div class="block">Performs a multi-threaded matrix multiplication and stores the result in the output matrix.
The parameter k (k&gt;=1) determines the max parallelism k' with k'=min(k, vcores, m1.rlen).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>m1</code> - first matrix</dd>
<dd><code>m2</code> - second matrix</dd>
<dd><code>ret</code> - result matrix</dd>
<dd><code>k</code> - maximum parallelism</dd>
</dl>
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<pre>public static&nbsp;void&nbsp;matrixMultChain(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
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<div class="block">Performs a matrix multiplication chain operation of type t(X)%*%(X%*%v) or t(X)%*%(w*(X%*%v)).
All variants use a IKJ access pattern, and internally use dense output. After the
actual computation, we recompute nnz and check for sparse/dense representation.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mX</code> - X matrix</dd>
<dd><code>mV</code> - v matrix</dd>
<dd><code>mW</code> - w matrix</dd>
<dd><code>ret</code> - result matrix</dd>
<dd><code>ct</code> - chain type</dd>
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<pre>public static&nbsp;void&nbsp;matrixMultChain(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
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int&nbsp;k)</pre>
<div class="block">Performs a parallel matrix multiplication chain operation of type t(X)%*%(X%*%v) or t(X)%*%(w*(X%*%v)).
The parameter k (k&gt;=1) determines the max parallelism k' with k'=min(k, vcores, m1.rlen).
NOTE: This multi-threaded mmchain operation has additional memory requirements of k*ncol(X)*8bytes
for partial aggregation. Current max memory: 256KB; otherwise redirectly to sequential execution.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mX</code> - X matrix</dd>
<dd><code>mV</code> - v matrix</dd>
<dd><code>mW</code> - w matrix</dd>
<dd><code>ret</code> - result matrix</dd>
<dd><code>ct</code> - chain type</dd>
<dd><code>k</code> - maximum parallelism</dd>
</dl>
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<pre>public static&nbsp;void&nbsp;matrixMultTransposeSelf(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
boolean&nbsp;leftTranspose)</pre>
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<pre>public static&nbsp;void&nbsp;matrixMultTransposeSelf(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
boolean&nbsp;leftTranspose,
int&nbsp;k)</pre>
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<pre>public static&nbsp;void&nbsp;matrixMultPermute(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;pm1,
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<pre>public static&nbsp;void&nbsp;matrixMultPermute(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;pm1,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;m2,
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int&nbsp;k)</pre>
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<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
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<pre>public static&nbsp;void&nbsp;matrixMultWSLoss(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
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int&nbsp;k)</pre>
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<pre>public static&nbsp;void&nbsp;matrixMultWSigmoid(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
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<pre>public static&nbsp;void&nbsp;matrixMultWSigmoid(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
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int&nbsp;k)</pre>
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<pre>public static&nbsp;void&nbsp;matrixMultWDivMM(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mU,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mV,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mX,
<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;ret,
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<div class="block">NOTE: This operation has limited NaN support, which is acceptable because all our sparse-safe operations
have only limited NaN support. If this is not intended behavior, please disable the rewrite. In detail,
this operator will produce for W/(U%*%t(V)) a zero intermediate for each zero in W (even if UVij is zero
which would give 0/0=NaN) but INF/-INF for non-zero entries in V where the corresponding cell in (Y%*%X)
is zero.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mW</code> - matrix W</dd>
<dd><code>mU</code> - matrix U</dd>
<dd><code>mV</code> - matrix V</dd>
<dd><code>mX</code> - matrix X</dd>
<dd><code>ret</code> - result type</dd>
<dd><code>wt</code> - weighted divide matrix multiplication type</dd>
</dl>
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<pre>public static&nbsp;void&nbsp;matrixMultWDivMM(<a href="../../../../../../org/apache/sysds/runtime/matrix/data/MatrixBlock.html" title="class in org.apache.sysds.runtime.matrix.data">MatrixBlock</a>&nbsp;mW,
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<a href="../../../../../../org/apache/sysds/lops/WeightedDivMM.WDivMMType.html" title="enum in org.apache.sysds.lops">WeightedDivMM.WDivMMType</a>&nbsp;wt,
int&nbsp;k)</pre>
<div class="block">NOTE: This operation has limited NaN support, which is acceptable because all our sparse-safe operations
have only limited NaN support. If this is not intended behavior, please disable the rewrite. In detail,
this operator will produce for W/(U%*%t(V)) a zero intermediate for each zero in W (even if UVij is zero
which would give 0/0=NaN) but INF/-INF for non-zero entries in V where the corresponding cell in (Y%*%X)
is zero.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mW</code> - matrix W</dd>
<dd><code>mU</code> - matrix U</dd>
<dd><code>mV</code> - matrix V</dd>
<dd><code>mX</code> - matrix X</dd>
<dd><code>ret</code> - result matrix</dd>
<dd><code>wt</code> - weighted divide matrix multiplication type</dd>
<dd><code>k</code> - maximum parallelism</dd>
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