48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/* Copyright 2018 The OpenXLA Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
==============================================================================*/
|
|
|
|
#ifndef XLA_SERVICE_EIGH_EXPANDER_H_
|
|
#define XLA_SERVICE_EIGH_EXPANDER_H_
|
|
|
|
#include "absl/container/flat_hash_map.h"
|
|
#include "xla/client/xla_builder.h"
|
|
#include "xla/service/op_expander_pass.h"
|
|
|
|
namespace xla {
|
|
|
|
class EighExpander : public OpExpanderPass {
|
|
public:
|
|
absl::string_view name() const override { return "eigh_expander"; }
|
|
|
|
protected:
|
|
bool InstructionMatchesPattern(HloInstruction* instruction) override;
|
|
|
|
StatusOr<HloInstruction*> ExpandInstruction(
|
|
HloInstruction* instruction) override;
|
|
|
|
virtual XlaOp BuildEigh(XlaOp a, bool lower, int64_t max_iter, float tol,
|
|
bool sort_eigenvalues);
|
|
|
|
Status SortByEigenvalues(XlaOp& v, XlaOp& w);
|
|
|
|
private:
|
|
// Mapping from op signatures to existing computations.
|
|
absl::flat_hash_map<std::string, HloComputation*> computation_cache_;
|
|
};
|
|
|
|
} // namespace xla
|
|
|
|
#endif // XLA_SERVICE_EIGH_EXPANDER_H_
|