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<section id="updates-in-2019-4">
<h1>Updates in 2019.4<a class="headerlink" href="#updates-in-2019-4" title="Permalink to this headline"></a></h1>
<p><strong>General</strong></p>
<ul class="simple">
<li><p>Added support for the Linux PowerPC target platform</p></li>
<li><p>Reduced the profiling overhead, especially if no source metrics are collected</p></li>
<li><p>Reduced the overhead for non-profiled kernels</p></li>
<li><p>Improved the deployment performance during remote launches</p></li>
<li><p>Trying to profile on an unsupported GPU now shows an “Unsupported GPU” error message</p></li>
<li><p>Added support for the <code class="docutils literal notranslate"><span class="pre">%i</span></code> sequential number placeholder to generate unique report file names</p></li>
<li><p>Added support for <em>smsp__sass_*</em> metrics on Volta and newer GPUs</p></li>
<li><p>The <em>launch__occupancy_limit_shared_mem</em> now reports the device block limit if no shared memory is used by the kernel</p></li>
</ul>
<p><strong>NVIDIA Nsight Compute</strong></p>
<ul class="simple">
<li><p>The <em>Profile</em> activity shows the command line used to launch ncu</p></li>
<li><p>The heatmap on the Source page now shows the represented metric in its tooltip</p></li>
<li><p>The <em>Memory Workload Analysis Chart</em> on the Details page now supports baselines</p></li>
<li><p>When applying rules, a message displaying the number of new rule results is shown in the status bar</p></li>
<li><p>The Visual Profiler Transition Guide was added to the documentation</p></li>
<li><p>Connection dialog activity options were added to the documentation</p></li>
<li><p>A warning dialog is shown if the application is resumed without Auto-Profile enabled</p></li>
<li><p>Pausing the application now has immediate feedback in the toolbar controls</p></li>
<li><p>Added a <em>Close All</em> command to the <em>File</em> menu</p></li>
</ul>
<p><strong>NVIDIA Nsight Compute CLI</strong></p>
<ul class="simple">
<li><p>The <code class="docutils literal notranslate"><span class="pre">--query-metrics</span></code> option now shows only metric base names for faster metric query. The new option <code class="docutils literal notranslate"><span class="pre">--query-metrics-mode</span></code> can be used to display the valid suffixes for each base metric.</p></li>
<li><p>Added support for passing response files using the <code class="docutils literal notranslate"><span class="pre">@</span></code> operator to specify command line options through a file</p></li>
</ul>
<p><strong>Resolved Issues</strong></p>
<ul class="simple">
<li><p>Fixed an issue that reported the wrong executable name in the Session page when attaching</p></li>
<li><p>Fixed issues that chart labels were shown elided on the Details page</p></li>
<li><p>Fixed an issue that caused the cache hitrates to be shown incorrectly when baselines were added</p></li>
<li><p>Fixed an illegal memory access when collecting <em>sass__*_histogram</em> metrics for applications using PyTorch on Pascal GPUs</p></li>
<li><p>Fixed an issue when attempting to collect all <em>smsp__*</em> metrics on Volta and newer GPUs</p></li>
<li><p>Fixed an issue when profiling multi-context applications</p></li>
<li><p>Fixed that profiling start/stop settings from the connection dialog weren’t properly passed to the interactive profile activity</p></li>
<li><p>Fixed that certain <em>smsp__warp_cycles_per_issue_stall*</em> metrics returned negative values on Pascal GPUs</p></li>
<li><p>Fixed that metric names were truncated in the <code class="docutils literal notranslate"><span class="pre">--page</span> <span class="pre">details</span></code> non-CSV command line output</p></li>
<li><p>Fixed that the target application could crash if a connection port was used by another application with higher privileges</p></li>
</ul>
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