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Fix scale bug in quantized batch_dot #20735

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Nov 17, 2021
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Fix scale bug in quantized batch_dot #20735

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2 changes: 1 addition & 1 deletion src/operator/nn/dnnl/dnnl_batch_dot-inl.h
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Expand Up @@ -48,7 +48,7 @@ struct DNNLDotParam : public dmlc::Parameter<DNNLDotParam> {

dmlc::optional<float> min_calib_range; // min float value calculated from calibration dataset
dmlc::optional<float> max_calib_range; // max float value calculated from calibration dataset
bool enable_float_output; // min float value calculated from calibration dataset
bool enable_float_output;
DMLC_DECLARE_PARAMETER(DNNLDotParam) {
DMLC_DECLARE_FIELD(transpose_a)
.describe("If true then transpose the first input before dot.")
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2 changes: 1 addition & 1 deletion src/operator/nn/dnnl/dnnl_batch_dot.cc
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Expand Up @@ -77,7 +77,7 @@ dnnl::primitive_attr GetQuantizationAttributes(const DNNLDotParam& param,
// fused requantize => output is int
out_scale_ = GetQuantizeScale(outputs[DotOut::out].dtype(),
param.min_calib_range.value(),
param.min_calib_range.value()) /
param.max_calib_range.value()) /
lhs_scale_ / rhs_scale_;
attr.set_output_scales(0, {out_scale_});
} else if (param.enable_float_output) {
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