piiswrong closed pull request #10375: [MXNET-187] Disallow Pre-Kepler (i.e.
Fermi) architectures
URL: https://github.com/apache/incubator-mxnet/pull/10375
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diff --git a/src/common/cuda_utils.h b/src/common/cuda_utils.h
index 9d3388b2351..962fe5a5764 100644
--- a/src/common/cuda_utils.h
+++ b/src/common/cuda_utils.h
@@ -53,6 +53,21 @@ extern __cuda_fake_struct blockIdx;
#include <cublas_v2.h>
#include <curand.h>
+/*!
+ * \brief When compiling a __device__ function, check that the architecture is
>= Kepler (3.0)
+ * Note that __CUDA_ARCH__ is not defined outside of a __device__
function
+ */
+#ifdef __CUDACC__
+inline __device__ bool __is_supported_cuda_architecture() {
+#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ < 300
+#error "Fermi and earlier GPU architectures are not supported (architecture
versions less than 3.0)"
+ return false;
+#else
+ return true;
+#endif // __CUDA_ARCH__ < 300
+}
+#endif // __CUDACC__
+
namespace mxnet {
namespace common {
/*! \brief common utils for cuda */
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