diff options
Diffstat (limited to 'lib/THC/THCHalf.h')
| -rw-r--r-- | lib/THC/THCHalf.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/THC/THCHalf.h b/lib/THC/THCHalf.h index b20b05c..d87647b 100644 --- a/lib/THC/THCHalf.h +++ b/lib/THC/THCHalf.h @@ -3,7 +3,17 @@ #include "THCGeneral.h" +// We compile with CudaHalfTensor support if we have this: #if CUDA_VERSION >= 7050 || CUDA_HAS_FP16 +#define CUDA_HALF_TENSOR 1 +#endif + +// Native fp16 ALU instructions are available if we have this: +#if defined(CUDA_HALF_TENSOR) && (__CUDA_ARCH__ >= 530) +#define CUDA_HALF_INSTRUCTIONS 1 +#endif + +#ifdef CUDA_HALF_TENSOR #include <cuda_fp16.h> #include <stdint.h> @@ -13,6 +23,6 @@ THC_EXTERNC void THCHalf2Float(THCState *state, float *out, half *in, long len); THC_EXTERNC half THC_float2half(float a); THC_EXTERNC float THC_half2float(half a); -#endif +#endif // CUDA_HALF_TENSOR #endif |