diff options
Diffstat (limited to 'lib/THC/THCAtomics.cuh')
| -rw-r--r-- | lib/THC/THCAtomics.cuh | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/THC/THCAtomics.cuh b/lib/THC/THCAtomics.cuh index 7a0be48..400875c 100644 --- a/lib/THC/THCAtomics.cuh +++ b/lib/THC/THCAtomics.cuh @@ -102,9 +102,16 @@ static inline __device__ void atomicAdd(half *address, half val) { do { assumed = old; +#if CUDA_VERSION < 9000 half hsum; hsum.x = (size_t)address & 2 ? (old >> 16) : (old & 0xffff); hsum = THCNumerics<half>::add(hsum, val); +#else + __half_raw hsum; + hsum.x = (size_t)address & 2 ? (old >> 16) : (old & 0xffff); + half tmpres = THCNumerics<half>::add(hsum, val); + hsum = __half_raw(tmpres); +#endif old = (size_t)address & 2 ? (old & 0xffff) | (hsum.x << 16) : (old & 0xffff0000) | hsum.x; old = atomicCAS(address_as_ui, assumed, old); } while (assumed != old); |