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| <div class="subTitle">org.apache.sysds.runtime.instructions.gpu.context</div> |
| <h2 title="Class GPUMemoryManager" class="title">Class GPUMemoryManager</h2> |
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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> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.sysds.runtime.instructions.gpu.context.GPUMemoryManager</li> |
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| <pre>public class <span class="typeNameLabel">GPUMemoryManager</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">- All cudaFree and cudaMalloc in SystemDS should go through this class to avoid OOM or incorrect results. |
| - This class can be refactored in future to accept a chunk of memory ahead of time rather than while execution. This will only thow memory-related errors during startup.</div> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.EvictionPolicyBasedComparator.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUMemoryManager.EvictionPolicyBasedComparator</a></span></code> |
| <div class="block">Class that governs the eviction policy</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <caption><span>Fields</span><span class="tabEnd"> </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>protected <a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryAllocator.html" title="interface in org.apache.sysds.runtime.instructions.gpu.context">GPUMemoryAllocator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#allocator">allocator</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</a><jcuda.Pointer,org.apache.sysds.runtime.instructions.gpu.context.GPUMemoryManager.PointerInfo></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#allPointers">allPointers</a></span></code> |
| <div class="block">To record size of all allocated pointers allocated by above memory managers</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPULazyCudaFreeMemoryManager.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPULazyCudaFreeMemoryManager</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#lazyCudaFreeMemoryManager">lazyCudaFreeMemoryManager</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static org.apache.commons.logging.Log</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMatrixMemoryManager.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUMatrixMemoryManager</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#matrixMemoryManager">matrixMemoryManager</a></span></code> </td> |
| </tr> |
| </table> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#GPUMemoryManager-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-">GPUMemoryManager</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> gpuCtx)</code> </td> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </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>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#clearMemory--">clearMemory</a></span>()</code> |
| <div class="block">Clear the allocated GPU objects</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#clearTemporaryMemory--">clearTemporaryMemory</a></span>()</code> |
| <div class="block">Clears up the memory used by non-dirty pointers.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#free-java.lang.String-jcuda.Pointer-boolean-">free</a></span>(<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> opcode, |
| jcuda.Pointer toFree, |
| boolean eager)</code> |
| <div class="block">Deallocate the pointer</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPULazyCudaFreeMemoryManager.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPULazyCudaFreeMemoryManager</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#getGPULazyCudaFreeMemoryManager--">getGPULazyCudaFreeMemoryManager</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMatrixMemoryManager.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUMatrixMemoryManager</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#getGPUMatrixMemoryManager--">getGPUMatrixMemoryManager</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#getSizeAllocatedGPUPointer-jcuda.Pointer-">getSizeAllocatedGPUPointer</a></span>(jcuda.Pointer ptr)</code> |
| <div class="block">Get size of allocated GPU Pointer</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>jcuda.Pointer</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#malloc-java.lang.String-long-">malloc</a></span>(<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> opcode, |
| long size)</code> |
| <div class="block">Allocate pointer of the given size in bytes.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#removeGPUObject-org.apache.sysds.runtime.instructions.gpu.context.GPUObject-">removeGPUObject</a></span>(<a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUObject.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUObject</a> gpuObj)</code> |
| <div class="block">Removes the GPU object from the memory manager</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryManager.html#toString--">toString</a></span>()</code> |
| <div class="block">Print debugging information</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <a name="LOG"> |
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| </a> |
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| <h4>LOG</h4> |
| <pre>protected static final org.apache.commons.logging.Log LOG</pre> |
| </li> |
| </ul> |
| <a name="allocator"> |
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| </a> |
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| <h4>allocator</h4> |
| <pre>protected final <a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMemoryAllocator.html" title="interface in org.apache.sysds.runtime.instructions.gpu.context">GPUMemoryAllocator</a> allocator</pre> |
| </li> |
| </ul> |
| <a name="matrixMemoryManager"> |
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| </a> |
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| <h4>matrixMemoryManager</h4> |
| <pre>protected final <a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMatrixMemoryManager.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUMatrixMemoryManager</a> matrixMemoryManager</pre> |
| </li> |
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| <a name="lazyCudaFreeMemoryManager"> |
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| <h4>lazyCudaFreeMemoryManager</h4> |
| <pre>protected final <a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPULazyCudaFreeMemoryManager.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPULazyCudaFreeMemoryManager</a> lazyCudaFreeMemoryManager</pre> |
| </li> |
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| <a name="allPointers"> |
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| <h4>allPointers</h4> |
| <pre>protected final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</a><jcuda.Pointer,org.apache.sysds.runtime.instructions.gpu.context.GPUMemoryManager.PointerInfo> allPointers</pre> |
| <div class="block">To record size of all allocated pointers allocated by above memory managers</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="GPUMemoryManager-org.apache.sysds.runtime.instructions.gpu.context.GPUContext-"> |
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| </a> |
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| <h4>GPUMemoryManager</h4> |
| <pre>public GPUMemoryManager(<a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUContext.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUContext</a> gpuCtx)</pre> |
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| <a name="getGPUMatrixMemoryManager--"> |
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| <h4>getGPUMatrixMemoryManager</h4> |
| <pre>public <a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUMatrixMemoryManager.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUMatrixMemoryManager</a> getGPUMatrixMemoryManager()</pre> |
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| <h4>getGPULazyCudaFreeMemoryManager</h4> |
| <pre>public <a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPULazyCudaFreeMemoryManager.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPULazyCudaFreeMemoryManager</a> getGPULazyCudaFreeMemoryManager()</pre> |
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| <h4>getSizeAllocatedGPUPointer</h4> |
| <pre>public long getSizeAllocatedGPUPointer(jcuda.Pointer ptr)</pre> |
| <div class="block">Get size of allocated GPU Pointer</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ptr</code> - pointer to get size of</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>either the size or -1 if no such pointer exists</dd> |
| </dl> |
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| <h4>malloc</h4> |
| <pre>public jcuda.Pointer malloc(<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> opcode, |
| long size)</pre> |
| <div class="block">Allocate pointer of the given size in bytes.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>opcode</code> - instruction name</dd> |
| <dd><code>size</code> - size in bytes</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>allocated pointer</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="free-java.lang.String-jcuda.Pointer-boolean-"> |
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| </a> |
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| <h4>free</h4> |
| <pre>public void free(<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> opcode, |
| jcuda.Pointer toFree, |
| boolean eager) |
| throws <a href="../../../../../../../org/apache/sysds/runtime/DMLRuntimeException.html" title="class in org.apache.sysds.runtime">DMLRuntimeException</a></pre> |
| <div class="block">Deallocate the pointer</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>opcode</code> - instruction name</dd> |
| <dd><code>toFree</code> - pointer to free</dd> |
| <dd><code>eager</code> - whether to deallocate eagerly</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="removeGPUObject-org.apache.sysds.runtime.instructions.gpu.context.GPUObject-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>removeGPUObject</h4> |
| <pre>public void removeGPUObject(<a href="../../../../../../../org/apache/sysds/runtime/instructions/gpu/context/GPUObject.html" title="class in org.apache.sysds.runtime.instructions.gpu.context">GPUObject</a> gpuObj)</pre> |
| <div class="block">Removes the GPU object from the memory manager</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>gpuObj</code> - the handle to the GPU object</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="clearMemory--"> |
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| </a> |
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| <h4>clearMemory</h4> |
| <pre>public void clearMemory()</pre> |
| <div class="block">Clear the allocated GPU objects</div> |
| </li> |
| </ul> |
| <a name="clearTemporaryMemory--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clearTemporaryMemory</h4> |
| <pre>public void clearTemporaryMemory()</pre> |
| <div class="block">Clears up the memory used by non-dirty pointers.</div> |
| </li> |
| </ul> |
| <a name="toString--"> |
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| <h4>toString</h4> |
| <pre>public <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> toString()</pre> |
| <div class="block">Print debugging information</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code> in class <code><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></code></dd> |
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