Matthew Sloyan | 80fbcd5 | 2021-01-07 13:28:47 +0000 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2020 Arm Ltd and Contributors. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #include "ClContextSerializer.hpp" |
| 7 | #include "ClContextSchema_generated.h" |
| 8 | |
| 9 | #include <armnn/Exceptions.hpp> |
| 10 | #include <armnn/Logging.hpp> |
| 11 | #include <armnn/utility/NumericCast.hpp> |
| 12 | |
| 13 | #include <fmt/format.h> |
| 14 | |
| 15 | #include <cstdlib> |
| 16 | #include <fstream> |
| 17 | #include <iostream> |
| 18 | #include <vector> |
| 19 | |
| 20 | namespace armnn |
| 21 | { |
| 22 | |
| 23 | void ClContextSerializer::Serialize(const arm_compute::CLCompileContext& clCompileContext) |
| 24 | { |
| 25 | // Get map of built programs from clCompileContext |
| 26 | std::map<std::string, cl::Program> builtProgramsMap = clCompileContext.get_built_programs(); |
| 27 | if (builtProgramsMap.empty()) |
| 28 | { |
| 29 | ARMNN_LOG(warning) << "There are no built programs to be serialised."; |
| 30 | return; |
| 31 | } |
| 32 | |
| 33 | // Create Flatbuffer CL Programs |
| 34 | std::vector<flatbuffers::Offset<armnn::Program>> clPrograms; |
| 35 | for(const auto& program : builtProgramsMap) |
| 36 | { |
| 37 | std::vector<std::vector<uint8_t>> binaries = program.second.getInfo<CL_PROGRAM_BINARIES>(); |
| 38 | clPrograms.push_back(CreateProgram(m_FlatBufferBuilder, |
| 39 | m_FlatBufferBuilder.CreateString(program.first), |
| 40 | m_FlatBufferBuilder.CreateVector(binaries[0]))); |
| 41 | } |
| 42 | |
| 43 | // Create Flatbuffer CLContext |
| 44 | auto clContext = CreateClContext(m_FlatBufferBuilder, m_FlatBufferBuilder.CreateVector(clPrograms)); |
| 45 | |
| 46 | m_FlatBufferBuilder.Finish(clContext); |
| 47 | } |
| 48 | |
| 49 | bool ClContextSerializer::SaveSerializedToStream(std::ostream& stream) |
| 50 | { |
| 51 | // Write to a stream |
| 52 | auto bytesToWrite = armnn::numeric_cast<std::streamsize>(m_FlatBufferBuilder.GetSize()); |
| 53 | stream.write(reinterpret_cast<const char*>(m_FlatBufferBuilder.GetBufferPointer()), bytesToWrite); |
| 54 | return !stream.bad(); |
| 55 | } |
| 56 | |
| 57 | } // namespace armnn |