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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/eval/eval/tensor_function.h>
namespace vespalib::eval {
/**
* Tensor function for dense matrix multiplication.
**/
class DenseMatMulFunction : public tensor_function::Op2
{
using Super = tensor_function::Op2;
public:
struct Self {
ValueType result_type;
size_t lhs_size;
size_t common_size;
size_t rhs_size;
Self(const ValueType &result_type_in,
size_t lhs_size_in, size_t common_size_in, size_t rhs_size_in);
~Self();
};
private:
size_t _lhs_size;
size_t _common_size;
size_t _rhs_size;
bool _lhs_common_inner;
bool _rhs_common_inner;
public:
DenseMatMulFunction(const ValueType &result_type,
const TensorFunction &lhs_in,
const TensorFunction &rhs_in,
size_t lhs_size,
size_t common_size,
size_t rhs_size,
bool lhs_common_inner,
bool rhs_common_inner);
~DenseMatMulFunction();
bool result_is_mutable() const override { return true; }
size_t lhs_size() const { return _lhs_size; }
size_t common_size() const { return _common_size; }
size_t rhs_size() const { return _rhs_size; }
bool lhs_common_inner() const { return _lhs_common_inner; }
bool rhs_common_inner() const { return _rhs_common_inner; }
InterpretedFunction::Instruction compile_self(const CTFContext &ctx) const override;
void visit_self(vespalib::ObjectVisitor &visitor) const override;
static const TensorFunction &optimize(const TensorFunction &expr, Stash &stash);
};
} // namespace
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