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Validate matching input shapes in Int8Add operator #14520

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Validate matching input shapes in Int8Add operator #14520

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5 changes: 5 additions & 0 deletions caffe2/operators/quantized/int8_add_op.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,11 @@ class Int8AddOp final : public Operator<CPUContext> {
const auto& B = Inputs()[1]->template Get<Int8TensorCPU>();
auto* Y = Outputs()[0]->template GetMutable<Int8TensorCPU>();

CAFFE_ENFORCE_EQ(
A.t.sizes(),
B.t.sizes(),
"inputs must have the same shape (broadcast semantics is not supported)");

/*
* Record quantization parameters for A and B inputs, because if the op is
* in-place, we may overwrite these parameters later, when we set
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