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修复fast_ln算子动半开启后报错 #8891

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merged 2 commits into from
Aug 8, 2024
Merged

修复fast_ln算子动半开启后报错 #8891

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修复fast_ln算子动半报错
Wennie396 Aug 7, 2024
8448435
Merge branch 'develop' of https://github.com/PaddlePaddle/PaddleNLP i…
Wennie396 Aug 7, 2024
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11 changes: 10 additions & 1 deletion legacy/model_zoo/gpt-3/external_ops/fast_ln/ln_api.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -529,6 +529,14 @@ std::vector<std::vector<int64_t>> RMSLnBwdInferShape(
return {x_shape, scale_shape};
}

std::vector<paddle::DataType> LnBwdInferDtype(paddle::DataType x_dtype,
paddle::DataType scale_dtype,
paddle::DataType mean_dtype,
paddle::DataType invvar_dtype,
paddle::DataType dy_dtype) {
return {x_dtype, scale_dtype, scale_dtype};
}

PD_BUILD_OP(fast_ln)
.Inputs({"x", "scale", "bias"})
.Outputs({"y", "mean", "invvar"})
Expand All @@ -542,7 +550,8 @@ PD_BUILD_GRAD_OP(fast_ln)
.Outputs({paddle::Grad("x"), paddle::Grad("scale"), paddle::Grad("bias")})
.Attrs({"epsilon: float"})
.SetKernelFn(PD_KERNEL(LnBwd))
.SetInferShapeFn(PD_INFER_SHAPE(LnBwdInferShape));
.SetInferShapeFn(PD_INFER_SHAPE(LnBwdInferShape))
.SetInferDtypeFn(PD_INFER_DTYPE(LnBwdInferDtype));

PD_BUILD_OP(fast_rms_norm)
.Inputs({"x", "scale"})
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