1 /* Copyright 2018 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 #ifndef TENSORFLOW_COMPILER_XLA_SERVICE_CPU_BUFFER_INFO_UTIL_H_ 17 #define TENSORFLOW_COMPILER_XLA_SERVICE_CPU_BUFFER_INFO_UTIL_H_ 18 19 #include "absl/types/span.h" 20 #include "tensorflow/compiler/xla/cpu_function_runtime.h" 21 #include "tensorflow/compiler/xla/service/buffer_assignment.h" 22 23 namespace xla { 24 namespace cpu { 25 // Creates and returns a list of BufferInfo instances containing relevant 26 // information from `buffer_assignment`. 27 std::vector<cpu_function_runtime::BufferInfo> 28 CreateBufferInfosFromBufferAssignment( 29 const BufferAssignment& buffer_assignment); 30 31 // Creates and returns a table containing the mapping from entry computation 32 // parameters to buffer allocation indices. 33 // 34 // If this function returns V then entry parameter i has buffer allocation index 35 // V[i]. 36 std::vector<int32_t> CreateArgIndexTableFromBufferInfos( 37 absl::Span<const cpu_function_runtime::BufferInfo> buffer_infos); 38 } // namespace cpu 39 } // namespace xla 40 41 #endif // TENSORFLOW_COMPILER_XLA_SERVICE_CPU_BUFFER_INFO_UTIL_H_ 42