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changed cast to round to zero if casting from float to integral

This commit is contained in:
Peilin Wang 2020-12-21 13:54:42 -05:00
parent 2b8737a908
commit 299509dbfc
2 changed files with 9 additions and 9 deletions
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16
mindspore/ccsrc/backend/kernel_compiler/gpu/cuda_impl/cast_impl.cu
View File

@ -28,35 +28,35 @@ __device__ __forceinline__ void CastBase(const S *input_addr, T *output_addr) {
// half --> integer
__device__ __forceinline__ void CastBase(const half *input_addr, uint64_t *output_addr) {
*output_addr = __half2ull_rd((*input_addr));
*output_addr = __half2ull_rz((*input_addr));
}
__device__ __forceinline__ void CastBase(const half *input_addr, int64_t *output_addr) {
*output_addr = __half2ll_rd((*input_addr));
*output_addr = __half2ll_rz((*input_addr));
}
__device__ __forceinline__ void CastBase(const half *input_addr, uint32_t *output_addr) {
*output_addr = __half2uint_rd((*input_addr));
*output_addr = __half2uint_rz((*input_addr));
}
__device__ __forceinline__ void CastBase(const half *input_addr, int32_t *output_addr) {
*output_addr = __half2int_rd((*input_addr));
*output_addr = __half2int_rz((*input_addr));
}
__device__ __forceinline__ void CastBase(const half *input_addr, uint16_t *output_addr) {
*output_addr = __half2ushort_rd((*input_addr));
*output_addr = __half2ushort_rz((*input_addr));
}
__device__ __forceinline__ void CastBase(const half *input_addr, int16_t *output_addr) {
*output_addr = __half2short_rd((*input_addr));
*output_addr = __half2short_rz((*input_addr));
}
__device__ __forceinline__ void CastBase(const half *input_addr, uint8_t *output_addr) {
*output_addr = static_cast<uint8_t>(__half2ushort_rd((*input_addr)));
*output_addr = static_cast<uint8_t>(__half2ushort_rz((*input_addr)));
}
__device__ __forceinline__ void CastBase(const half *input_addr, int8_t *output_addr) {
*output_addr = static_cast<int8_t>(__half2short_rd((*input_addr)));
*output_addr = static_cast<int8_t>(__half2short_rz((*input_addr)));
}
// integer --> half

2
tests/st/ops/gpu/test_cast_op.py
View File

@ -604,7 +604,7 @@ def test_cast31():
@pytest.mark.env_onecard
def test_cast32():
np.random.seed(10)
x = np.random.rand(*(3, 2)).astype(np.float16)
x = np.random.uniform(-5, 5, (3, 2)).astype(np.float16)
x0 = Tensor(x)
t0 = mstype.int32
x1 = Tensor(x)