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<div class="section" id="torch-mtia">
<h1>torch.mtia<a class="headerlink" href="#torch-mtia" title="Permalink to this heading">¶</a></h1>
<p>The MTIA backend is implemented out of the tree, only interfaces are be defined here.</p>
<span class="target" id="module-torch.mtia"></span><p>This package enables an interface for accessing MTIA backend in python</p>
<table class="autosummary longtable docutils colwidths-auto align-default">
<tbody>
<tr class="row-odd"><td><p><p id="torch.mtia.StreamContext"/><a class="reference internal" href="generated/torch.mtia.StreamContext.html#torch.mtia.StreamContext" title="torch.mtia.StreamContext"><code class="xref py py-obj docutils literal notranslate"><span class="pre">StreamContext</span></code></a></p></td>
<td><p>Context-manager that selects a given stream.</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.current_device"/><a class="reference internal" href="generated/torch.mtia.current_device.html#torch.mtia.current_device" title="torch.mtia.current_device"><code class="xref py py-obj docutils literal notranslate"><span class="pre">current_device</span></code></a></p></td>
<td><p>Return the index of a currently selected device.</p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.current_stream"/><a class="reference internal" href="generated/torch.mtia.current_stream.html#torch.mtia.current_stream" title="torch.mtia.current_stream"><code class="xref py py-obj docutils literal notranslate"><span class="pre">current_stream</span></code></a></p></td>
<td><p>Return the currently selected <a class="reference internal" href="generated/torch.mtia.Stream.html#torch.mtia.Stream" title="torch.mtia.Stream"><code class="xref py py-class docutils literal notranslate"><span class="pre">Stream</span></code></a> for a given device.</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.default_stream"/><a class="reference internal" href="generated/torch.mtia.default_stream.html#torch.mtia.default_stream" title="torch.mtia.default_stream"><code class="xref py py-obj docutils literal notranslate"><span class="pre">default_stream</span></code></a></p></td>
<td><p>Return the default <a class="reference internal" href="generated/torch.mtia.Stream.html#torch.mtia.Stream" title="torch.mtia.Stream"><code class="xref py py-class docutils literal notranslate"><span class="pre">Stream</span></code></a> for a given device.</p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.device_count"/><a class="reference internal" href="generated/torch.mtia.device_count.html#torch.mtia.device_count" title="torch.mtia.device_count"><code class="xref py py-obj docutils literal notranslate"><span class="pre">device_count</span></code></a></p></td>
<td><p>Return the number of MTIA devices available.</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.init"/><a class="reference internal" href="generated/torch.mtia.init.html#torch.mtia.init" title="torch.mtia.init"><code class="xref py py-obj docutils literal notranslate"><span class="pre">init</span></code></a></p></td>
<td><p></p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.is_available"/><a class="reference internal" href="generated/torch.mtia.is_available.html#torch.mtia.is_available" title="torch.mtia.is_available"><code class="xref py py-obj docutils literal notranslate"><span class="pre">is_available</span></code></a></p></td>
<td><p>Return true if MTIA device is available</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.is_initialized"/><a class="reference internal" href="generated/torch.mtia.is_initialized.html#torch.mtia.is_initialized" title="torch.mtia.is_initialized"><code class="xref py py-obj docutils literal notranslate"><span class="pre">is_initialized</span></code></a></p></td>
<td><p>Return whether PyTorch's MTIA state has been initialized.</p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.memory_stats"/><a class="reference internal" href="generated/torch.mtia.memory_stats.html#torch.mtia.memory_stats" title="torch.mtia.memory_stats"><code class="xref py py-obj docutils literal notranslate"><span class="pre">memory_stats</span></code></a></p></td>
<td><p>Return a dictionary of MTIA memory allocator statistics for a given device.</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.get_device_capability"/><a class="reference internal" href="generated/torch.mtia.get_device_capability.html#torch.mtia.get_device_capability" title="torch.mtia.get_device_capability"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_device_capability</span></code></a></p></td>
<td><p>Return capability of a given device as a tuple of (major version, minor version).</p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.empty_cache"/><a class="reference internal" href="generated/torch.mtia.empty_cache.html#torch.mtia.empty_cache" title="torch.mtia.empty_cache"><code class="xref py py-obj docutils literal notranslate"><span class="pre">empty_cache</span></code></a></p></td>
<td><p>Empty the MTIA device cache.</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.record_memory_history"/><a class="reference internal" href="generated/torch.mtia.record_memory_history.html#torch.mtia.record_memory_history" title="torch.mtia.record_memory_history"><code class="xref py py-obj docutils literal notranslate"><span class="pre">record_memory_history</span></code></a></p></td>
<td><p>Enable/Disable the memory profiler on MTIA allocator</p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.snapshot"/><a class="reference internal" href="generated/torch.mtia.snapshot.html#torch.mtia.snapshot" title="torch.mtia.snapshot"><code class="xref py py-obj docutils literal notranslate"><span class="pre">snapshot</span></code></a></p></td>
<td><p>Return a dictionary of MTIA memory allocator history</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.set_device"/><a class="reference internal" href="generated/torch.mtia.set_device.html#torch.mtia.set_device" title="torch.mtia.set_device"><code class="xref py py-obj docutils literal notranslate"><span class="pre">set_device</span></code></a></p></td>
<td><p>Set the current device.</p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.set_stream"/><a class="reference internal" href="generated/torch.mtia.set_stream.html#torch.mtia.set_stream" title="torch.mtia.set_stream"><code class="xref py py-obj docutils literal notranslate"><span class="pre">set_stream</span></code></a></p></td>
<td><p>Set the current stream.This is a wrapper API to set the stream.</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.stream"/><a class="reference internal" href="generated/torch.mtia.stream.html#torch.mtia.stream" title="torch.mtia.stream"><code class="xref py py-obj docutils literal notranslate"><span class="pre">stream</span></code></a></p></td>
<td><p>Wrap around the Context-manager StreamContext that selects a given stream.</p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.synchronize"/><a class="reference internal" href="generated/torch.mtia.synchronize.html#torch.mtia.synchronize" title="torch.mtia.synchronize"><code class="xref py py-obj docutils literal notranslate"><span class="pre">synchronize</span></code></a></p></td>
<td><p>Waits for all jobs in all streams on a MTIA device to complete.</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.device"/><a class="reference internal" href="generated/torch.mtia.device.html#torch.mtia.device" title="torch.mtia.device"><code class="xref py py-obj docutils literal notranslate"><span class="pre">device</span></code></a></p></td>
<td><p>Context-manager that changes the selected device.</p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.set_rng_state"/><a class="reference internal" href="generated/torch.mtia.set_rng_state.html#torch.mtia.set_rng_state" title="torch.mtia.set_rng_state"><code class="xref py py-obj docutils literal notranslate"><span class="pre">set_rng_state</span></code></a></p></td>
<td><p>Sets the random number generator state.</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.get_rng_state"/><a class="reference internal" href="generated/torch.mtia.get_rng_state.html#torch.mtia.get_rng_state" title="torch.mtia.get_rng_state"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_rng_state</span></code></a></p></td>
<td><p>Returns the random number generator state as a ByteTensor.</p></td>
</tr>
<tr class="row-odd"><td><p><p id="torch.mtia.DeferredMtiaCallError"/><a class="reference internal" href="generated/torch.mtia.DeferredMtiaCallError.html#torch.mtia.DeferredMtiaCallError" title="torch.mtia.DeferredMtiaCallError"><code class="xref py py-obj docutils literal notranslate"><span class="pre">DeferredMtiaCallError</span></code></a></p></td>
<td><p></p></td>
</tr>
</tbody>
</table>
<div class="section" id="streams-and-events">
<h2>Streams and events<a class="headerlink" href="#streams-and-events" title="Permalink to this heading">¶</a></h2>
<table class="autosummary longtable docutils colwidths-auto align-default">
<tbody>
<tr class="row-odd"><td><p><p id="torch.mtia.Event"/><a class="reference internal" href="generated/torch.mtia.Event.html#torch.mtia.Event" title="torch.mtia.Event"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Event</span></code></a></p></td>
<td><p>Query and record Stream status to identify or control dependencies across Stream and measure timing.</p></td>
</tr>
<tr class="row-even"><td><p><p id="torch.mtia.Stream"/><a class="reference internal" href="generated/torch.mtia.Stream.html#torch.mtia.Stream" title="torch.mtia.Stream"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Stream</span></code></a></p></td>
<td><p>An in-order queue of executing the respective tasks asynchronously in first in first out (FIFO) order.</p></td>
</tr>
</tbody>
</table>
</div>
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