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  <div class="section" id="profiler">
<h1>profiler<a class="headerlink" href="#profiler" title="永久链接至标题">¶</a></h1>
<div class="section" id="cuda-profiler">
<h2>cuda_profiler<a class="headerlink" href="#cuda-profiler" title="永久链接至标题">¶</a></h2>
<dl class="function">
<dt>
<code class="descclassname">paddle.v2.fluid.profiler.</code><code class="descname">cuda_profiler</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwds</em><span class="sig-paren">)</span></dt>
<dd><p>The CUDA profiler.
This fuctions is used to profile CUDA program by CUDA runtime application
programming interface. The profiling result will be written into
<cite>output_file</cite> with Key-Value pair format or Comma separated values format.
The user can set the output mode by <cite>output_mode</cite> argument and set the
counters/options for profiling by <cite>config</cite> argument. The default config
is [&#8216;gpustarttimestamp&#8217;, &#8216;gpustarttimestamp&#8217;, &#8216;gridsize3d&#8217;,
&#8216;threadblocksize&#8217;, &#8216;streamid&#8217;, &#8216;enableonstart 0&#8217;, &#8216;conckerneltrace&#8217;].</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">参数:</th><td class="field-body"><ul class="first last simple">
<li><strong>output_file</strong> (<em>string</em>) &#8211; The output file name, the result will be
written into this file.</li>
<li><strong>output_mode</strong> (<em>string</em>) &#8211; The output mode has Key-Value pair format and
Comma separated values format. It should be &#8216;kvp&#8217; or &#8216;csv&#8217;.</li>
<li><strong>config</strong> (<em>list of string</em>) &#8211; The profiler options and counters can refer
to &#8220;Compute Command Line Profiler User Guide&#8221;.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

</div>
<div class="section" id="reset-profiler">
<h2>reset_profiler<a class="headerlink" href="#reset-profiler" title="永久链接至标题">¶</a></h2>
<dl class="function">
<dt>
<code class="descclassname">paddle.v2.fluid.profiler.</code><code class="descname">reset_profiler</code><span class="sig-paren">(</span><span class="sig-paren">)</span></dt>
<dd><p>The profiler clear interface.
reset_profiler will clear the previous time record.</p>
</dd></dl>

</div>
<div class="section" id="id1">
<h2>profiler<a class="headerlink" href="#id1" title="永久链接至标题">¶</a></h2>
<dl class="function">
<dt>
<code class="descclassname">paddle.v2.fluid.profiler.</code><code class="descname">profiler</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwds</em><span class="sig-paren">)</span></dt>
<dd><p>The profiler interface.
Different from cuda_profiler, this profiler can be used to profile both CPU
and GPU program. By defalut, it records the CPU and GPU operator kernels,
if you want to profile other program, you can refer the profiling tutorial
to add more records.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">参数:</th><td class="field-body"><ul class="first last simple">
<li><strong>state</strong> (<em>string</em>) &#8211; The profiling state, which should be &#8216;CPU&#8217; or &#8216;GPU&#8217;,
telling the profiler to use CPU timer or GPU timer for profiling.
Although users may have already specified the execution place
(CPUPlace/CUDAPlace) in the begining, for flexibility the profiler
would not inherit this place.</li>
<li><strong>sorted_key</strong> (<em>string</em>) &#8211; If None, the profiling results will be printed
in the order of first end time of events. Otherwise, the profiling
results will be sorted by the this flag. This flag should be one
of &#8216;calls&#8217;, &#8216;total&#8217;, &#8216;max&#8217;, &#8216;min&#8217; or &#8216;ave&#8217;.
The <cite>calls</cite> means sorting by the number of calls.
The <cite>total</cite> means sorting by the total execution time.
The <cite>max</cite> means sorting by the maximum execution time.
The <cite>min</cite> means sorting by the minimum execution time.
The <cite>ave</cite> means sorting by the average execution time.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

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