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| <div class="section" id="cmake-cuda-architectures"> | |
| <span id="variable:CMAKE_CUDA_ARCHITECTURES"></span><h1>CMAKE_CUDA_ARCHITECTURES<a class="headerlink" href="#cmake-cuda-architectures" title="Permalink to this headline">¶</a></h1> | |
| <div class="versionadded"> | |
| <p><span class="versionmodified added">New in version 3.18.</span></p> | |
| </div> | |
| <p>Default value for <span class="target" id="index-0-prop_tgt:CUDA_ARCHITECTURES"></span><a class="reference internal" href="../prop_tgt/CUDA_ARCHITECTURES.html#prop_tgt:CUDA_ARCHITECTURES" title="CUDA_ARCHITECTURES"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">CUDA_ARCHITECTURES</span></code></a> property of targets.</p> | |
| <p>Initialized by the <span class="target" id="index-0-envvar:CUDAARCHS"></span><a class="reference internal" href="../envvar/CUDAARCHS.html#envvar:CUDAARCHS" title="CUDAARCHS"><code class="xref cmake cmake-envvar docutils literal notranslate"><span class="pre">CUDAARCHS</span></code></a> environment variable if set. | |
| Otherwise as follows depending on <span class="target" id="index-0-variable:CMAKE_<LANG>_COMPILER_ID"></span><a class="reference internal" href="CMAKE_LANG_COMPILER_ID.html#variable:CMAKE_<LANG>_COMPILER_ID" title="CMAKE_<LANG>_COMPILER_ID"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_CUDA_COMPILER_ID</span></code></a>:</p> | |
| <ul class="simple"> | |
| <li><p>For <code class="docutils literal notranslate"><span class="pre">Clang</span></code>: the oldest architecture that works.</p></li> | |
| <li><p>For <code class="docutils literal notranslate"><span class="pre">NVIDIA</span></code>: the default architecture chosen by the compiler. | |
| See policy <span class="target" id="index-0-policy:CMP0104"></span><a class="reference internal" href="../policy/CMP0104.html#policy:CMP0104" title="CMP0104"><code class="xref cmake cmake-policy docutils literal notranslate"><span class="pre">CMP0104</span></code></a>.</p></li> | |
| </ul> | |
| <p>Users are encouraged to override this, as the default varies across compilers | |
| and compiler versions.</p> | |
| <p>This variable is used to initialize the <span class="target" id="index-1-prop_tgt:CUDA_ARCHITECTURES"></span><a class="reference internal" href="../prop_tgt/CUDA_ARCHITECTURES.html#prop_tgt:CUDA_ARCHITECTURES" title="CUDA_ARCHITECTURES"><code class="xref cmake cmake-prop_tgt docutils literal notranslate"><span class="pre">CUDA_ARCHITECTURES</span></code></a> property | |
| on all targets. See the target property for additional information.</p> | |
| <div class="section" id="examples"> | |
| <h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2> | |
| <div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">cmake_minimum_required(</span><span class="no">VERSION</span><span class="nf">)</span><span class="w"></span> | |
| <span class="nf">if(</span><span class="no">NOT</span><span class="w"> </span><span class="no">DEFINED</span><span class="w"> </span><span class="no">CMAKE_CUDA_ARCHITECTURES</span><span class="nf">)</span><span class="w"></span> | |
| <span class="w"> </span><span class="nf">set(</span><span class="no">CMAKE_CUDA_ARCHITECTURES</span><span class="w"> </span><span class="m">75</span><span class="nf">)</span><span class="w"></span> | |
| <span class="nf">endif()</span><span class="w"></span> | |
| <span class="nf">project(</span><span class="nb">example</span><span class="w"> </span><span class="no">LANGUAGES</span><span class="w"> </span><span class="no">CUDA</span><span class="nf">)</span><span class="w"></span> | |
| </pre></div> | |
| </div> | |
| <p><code class="docutils literal notranslate"><span class="pre">CMAKE_CUDA_ARCHITECTURES</span></code> will default to <code class="docutils literal notranslate"><span class="pre">75</span></code> unless overridden by the user.</p> | |
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