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Avoid making hwloc load PCI topology when CUDA is not enabled

It is very costly to initialize GPUs if they are not in persistent mode,
while we don't actually use them...

(cherry picked from commit 43b3ddd80a90243ea69a7a4cfd86e817f70de52d)
Samuel Thibault 6 years ago
parent
c57e1955a3
commit
53a575d4d6
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      src/core/perfmodel/perfmodel_bus.c

+ 1 - 1
src/core/perfmodel/perfmodel_bus.c
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@@ -2762,7 +2762,7 @@ static void write_bus_platform_file_content(int version)
 
 	}
 
 #endif
 
 
-#if defined(HAVE_DECL_HWLOC_CUDA_GET_DEVICE_OSDEV_BY_INDEX) && HAVE_DECL_HWLOC_CUDA_GET_DEVICE_OSDEV_BY_INDEX && defined(STARPU_HAVE_CUDA_MEMCPY_PEER)
 
+#if defined(HAVE_DECL_HWLOC_CUDA_GET_DEVICE_OSDEV_BY_INDEX) && HAVE_DECL_HWLOC_CUDA_GET_DEVICE_OSDEV_BY_INDEX && defined(STARPU_USE_CUDA) && defined(STARPU_HAVE_CUDA_MEMCPY_PEER)
 
 	/* If we have enough hwloc information, write PCI bandwidths and routes */
 
 	if (!starpu_get_env_number_default("STARPU_PCI_FLAT", 0))
 
 	{