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support fp16 dtypes for input weight and bias #3931

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support fp16 dtypes for input weight and bias #3931

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5 changes: 3 additions & 2 deletions fbgemm_gpu/experimental/gen_ai/src/quantize/quantize.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -1109,8 +1109,9 @@ std::vector<at::Tensor> quantize_fp8_per_row(
"Invalid dim. The dim of input should be greater than or equal to 2");
TORCH_CHECK(
input.scalar_type() == torch::kBFloat16 ||
input.scalar_type() == torch::kFloat,
"Invalid datatype. input must be BF16 or FP32");
input.scalar_type() == torch::kFloat ||
input.scalar_type() == torch::kHalf,
"Invalid datatype. input must be BF16, FP16 or FP32");
TORCH_CHECK(
!stochastic_rounding || input.size(-1) % 4 == 0,
"input row dim must be 4's multiple when stochastic_rounding is True");
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