Move CUDA utilities and implement fallbacks

Move the CUDA command line utilities cudaComputeCapabilities and cudaIsEnabled from HeterogeneousCore/CUDAServices to CUDAUtilities. Implement fallback binaries for cudaComputeCapabilities and cudaIsEnabled for platforms that do not support CUDA.
cms-sw · Jan 30, 2023 · bbcce06 · bbcce06
1 parent e1cb4dc
commit bbcce06
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Showing 8 changed files with 22 additions and 9 deletions.
diff --git a/HeterogeneousCore/CUDAServices/bin/BuildFile.xml b/HeterogeneousCore/CUDAServices/bin/BuildFile.xml
diff --git a/HeterogeneousCore/CUDAUtilities/bin/BuildFile.xml b/HeterogeneousCore/CUDAUtilities/bin/BuildFile.xml
@@ -0,0 +1,8 @@
+<iftool name="cuda-gcc-support">
+  <use name="cuda"/>
+  <bin name="cudaComputeCapabilities" file="cudaComputeCapabilities.cpp isCudaDeviceSupported.cu"/>
+  <bin name="cudaIsEnabled" file="cudaIsEnabled.cpp isCudaDeviceSupported.cu"/>
+<else/>
+  <bin name="cudaComputeCapabilities" file="cudaComputeCapabilities_fallback.cpp"/>
+  <bin name="cudaIsEnabled" file="cudaIsEnabled_fallback.cpp"/>
+</iftool>
diff --git a/...AServices/bin/cudaComputeCapabilities.cpp → ...Utilities/bin/cudaComputeCapabilities.cpp b/...AServices/bin/cudaComputeCapabilities.cpp → ...Utilities/bin/cudaComputeCapabilities.cpp
diff --git a/HeterogeneousCore/CUDAUtilities/bin/cudaComputeCapabilities_fallback.cpp b/HeterogeneousCore/CUDAUtilities/bin/cudaComputeCapabilities_fallback.cpp
@@ -0,0 +1,9 @@
+// C/C++ headers
+#include <cstdlib>
+#include <iostream>
+
+// always returns EXIT_FAILURE
+int main() {
+  std::cerr << "cudaComputeCapabilities: CUDA is not supported on this architecture" << std::endl;
+  return EXIT_FAILURE;
+}
diff --git a/...usCore/CUDAServices/bin/cudaIsEnabled.cpp → ...sCore/CUDAUtilities/bin/cudaIsEnabled.cpp b/...usCore/CUDAServices/bin/cudaIsEnabled.cpp → ...sCore/CUDAUtilities/bin/cudaIsEnabled.cpp
diff --git a/HeterogeneousCore/CUDAUtilities/bin/cudaIsEnabled_fallback.cpp b/HeterogeneousCore/CUDAUtilities/bin/cudaIsEnabled_fallback.cpp
@@ -0,0 +1,5 @@
+// C/C++ headers
+#include <cstdlib>
+
+// always returns EXIT_FAILURE
+int main() { return EXIT_FAILURE; }
diff --git a/...CUDAServices/bin/isCudaDeviceSupported.cu → ...UDAUtilities/bin/isCudaDeviceSupported.cu b/...CUDAServices/bin/isCudaDeviceSupported.cu → ...UDAUtilities/bin/isCudaDeviceSupported.cu
diff --git a/.../CUDAServices/bin/isCudaDeviceSupported.h → ...CUDAUtilities/bin/isCudaDeviceSupported.h b/.../CUDAServices/bin/isCudaDeviceSupported.h → ...CUDAUtilities/bin/isCudaDeviceSupported.h