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soumith
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Nov 12, 2017
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| #ifdef CUDA_HALF_TENSOR | ||
| float THCudaBlas_Hdot(THCState *state, int64_t n, half *x, int64_t incx, half *y, int64_t incy) | ||
| half THCudaBlas_Hdot(THCState *state, int64_t n, half *x, int64_t incx, half *y, int64_t incy) |
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@soumith can you please review again? I added tests for CUDA half <-> CPU float comparison |
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looks good! |
colesbury
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Feb 1, 2018
The test_cuda.py setup purports to test half tensors, but actually just re-tests FloatTensors because the keys in type_map were str instead of type. Testing HalfTensors is more complicated, requiring changes to precision and requires excluding some unimplemented methods. We should fully test half CUDA tensors. This change just deletes the duplicate tests of FloatTensor.
colesbury
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Feb 7, 2018
The test_cuda.py setup purports to test half tensors, but actually just re-tests FloatTensors because the keys in type_map were str instead of type. Testing HalfTensors is more complicated, requiring changes to precision and requires excluding some unimplemented methods. We should fully test half CUDA tensors. This change just deletes the duplicate tests of FloatTensor.
soumith
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Feb 7, 2018
* Fix cuBLAS arguments for fp16 dot * Enable FloatTensor <-> CUDA HalfTensor checks in test_cuda.py
laurentdupin
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Apr 24, 2026
* Fix cuBLAS arguments for fp16 dot * Enable FloatTensor <-> CUDA HalfTensor checks in test_cuda.py
laurentdupin
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Apr 24, 2026
The test_cuda.py setup purports to test half tensors, but actually just re-tests FloatTensors because the keys in type_map were str instead of type. Testing HalfTensors is more complicated, requiring changes to precision and requires excluding some unimplemented methods. We should fully test half CUDA tensors. This change just deletes the duplicate tests of FloatTensor.
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Result type has to be fp16 for fp16 dot. See docs of
cublasDotEx(look for "datatypes combinations currrently supported").