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fix only shared variables could be declared as static in the device code #8716

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Merged
luotao1 merged 1 commit into from
Mar 5, 2018
Merged

fix only shared variables could be declared as static in the device code #8716

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12 changes: 12 additions & 0 deletions paddle/fluid/framework/dim.h
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Original file line number Diff line number Diff line change
Expand Up @@ -158,7 +158,13 @@ HOSTDEVICE int64_t& indexer<0>(Dim<0>& dim, int idx) {
#else
PADDLE_ASSERT(false);
#endif
#if (defined __CUDA_ARCH__) && (CUDA_VERSION < 8000)
// On CUDA versions previous to 8.0, only __shared__ variables
// could be declared as static in the device code.
int64_t head = 0;
#else
static int64_t head = 0;
#endif
return head;
}

Expand All @@ -184,7 +190,13 @@ HOSTDEVICE int64_t indexer<0>(const Dim<0>& dim, int idx) {
#else
PADDLE_ASSERT(false);
#endif
#if (defined __CUDA_ARCH__) && (CUDA_VERSION < 8000)
// On CUDA versions previous to 8.0, only __shared__ variables
// could be declared as static in the device code.
int64_t head = 0;
#else
static int64_t head = 0;
#endif
return head;
}

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