cconvey commented on a change in pull request #9186:
URL: https://github.com/apache/tvm/pull/9186#discussion_r721337230
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File path: python/tvm/relay/frontend/onnx.py
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@@ -873,6 +873,89 @@ def flatten_to_nd(x, x_shape, nd=3):
return _op.nn.dense(inputs[0], input_1_t)
+class MatMulInteger16(OnnxOpConverter):
+ """Operator converter for MatMulInteger16 from Microsoft onnxruntime
contrib opset."""
+
+ @classmethod
+ def _impl_v10(cls, inputs, attr, params):
+ assert len(inputs) == 2, "MatMul op take 2 inputs, {}
given".format(len(inputs))
+ a_shape = shape_of(inputs[0])
+ a_rank = infer_shape(a_shape)[0]
+ b_shape = shape_of(inputs[1])
+ b_rank = infer_shape(b_shape)[0]
+ a_dtype = infer_type(inputs[0]).checked_type.dtype
+ b_dtype = infer_type(inputs[1]).checked_type.dtype
+ # Check input data types
+ assert a_dtype in ("int16", "uint16"), "MatMulInteger16: invalid dtype
for first input"
+ assert b_dtype in ("int16", "uint16"), "MatMulInteger16: invalid dtype
for second input"
+ out_dtype = "int32"
+ # Set output data type as uint32 when both inputs are uint16
Review comment:
I'm not sure this particular comment is necessary, because the code it
describes is already very readable.
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