tmoreau89 commented on a change in pull request #4629: [QNN] Channel wise
quantization - Quantize & Requantize
URL: https://github.com/apache/incubator-tvm/pull/4629#discussion_r363432091
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File path: src/relay/qnn/util.h
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@@ -124,6 +125,32 @@ static inline int64_t get_const_int(const tvm::Expr& x) {
Expr FixedPointMultiply(Expr tensor, double multiplier, const
Array<IndexExpr>& input_shape,
const std::string& rounding);
+/*
+ * \brief Fixed point multiplication between integer tensor with floating point
+ scalar where the input tensor is per-axis/per-channel quantized..
+ * \param tensor The quantized input tensor of dtype int64.
+ * \param multiplier The scalar multiplier.
+ * \param input_shape Shape of the input tensor.
+ * \param axis The axis along which the input tensor is quantized.
Review comment:
add mention of special case value `-1`
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