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 "ClContextDeserializer.hpp" |
| 7 | #include "ClContextSchema_generated.h" |
| 8 | |
| 9 | #include <armnn/Exceptions.hpp> |
| 10 | #include <armnn/utility/NumericCast.hpp> |
Pablo Marquez Tello | 723a7ac | 2022-03-01 18:15:11 +0000 | [diff] [blame] | 11 | #include <armnn/Logging.hpp> |
Matthew Sloyan | 80fbcd5 | 2021-01-07 13:28:47 +0000 | [diff] [blame] | 12 | |
| 13 | #include <flatbuffers/flexbuffers.h> |
| 14 | |
| 15 | #include <fmt/format.h> |
| 16 | |
| 17 | #include <cstdlib> |
| 18 | #include <fstream> |
| 19 | #include <iostream> |
| 20 | #include <vector> |
| 21 | |
Pablo Marquez Tello | 723a7ac | 2022-03-01 18:15:11 +0000 | [diff] [blame] | 22 | |
| 23 | #if defined(__linux__) |
| 24 | #define SERIALIZER_USE_MMAP 1 |
| 25 | #if SERIALIZER_USE_MMAP |
| 26 | #include <sys/stat.h> |
| 27 | #include <sys/mman.h> |
| 28 | #include <fcntl.h> |
| 29 | #include <unistd.h> |
| 30 | #endif |
| 31 | #endif |
| 32 | |
Matthew Sloyan | 80fbcd5 | 2021-01-07 13:28:47 +0000 | [diff] [blame] | 33 | namespace armnn |
| 34 | { |
| 35 | |
| 36 | void ClContextDeserializer::Deserialize(arm_compute::CLCompileContext& clCompileContext, |
| 37 | cl::Context& context, |
| 38 | cl::Device& device, |
| 39 | const std::string& filePath) |
| 40 | { |
Matthew Sloyan | 80fbcd5 | 2021-01-07 13:28:47 +0000 | [diff] [blame] | 41 | std::vector<std::uint8_t> binaryContent; |
Pablo Marquez Tello | 723a7ac | 2022-03-01 18:15:11 +0000 | [diff] [blame] | 42 | #if !SERIALIZER_USE_MMAP |
| 43 | std::ifstream inputFileStream(filePath, std::ios::binary); |
Matthew Sloyan | 80fbcd5 | 2021-01-07 13:28:47 +0000 | [diff] [blame] | 44 | while (inputFileStream) |
| 45 | { |
| 46 | char input; |
| 47 | inputFileStream.get(input); |
| 48 | if (inputFileStream) |
| 49 | { |
| 50 | binaryContent.push_back(static_cast<std::uint8_t>(input)); |
| 51 | } |
| 52 | } |
| 53 | inputFileStream.close(); |
Pablo Marquez Tello | 723a7ac | 2022-03-01 18:15:11 +0000 | [diff] [blame] | 54 | #else |
| 55 | struct stat statbuf; |
| 56 | int fp = open(filePath.c_str(),O_RDONLY); |
| 57 | if (!fp) |
| 58 | { |
| 59 | ARMNN_LOG(error) << (std::string("Cannot open file ") + filePath); |
| 60 | return; |
| 61 | } |
| 62 | fstat(fp,&statbuf); |
| 63 | const unsigned long dataSize = static_cast<unsigned long>(statbuf.st_size); |
| 64 | binaryContent.resize(static_cast<long unsigned int>(dataSize)); |
| 65 | void* ptrmem = mmap(NULL, dataSize,PROT_READ,MAP_PRIVATE,fp,0); |
| 66 | if(ptrmem!=MAP_FAILED) |
| 67 | { |
| 68 | memcpy (binaryContent.data(), ptrmem, dataSize); |
| 69 | } |
| 70 | close(fp); |
| 71 | if(ptrmem == MAP_FAILED) |
| 72 | { |
| 73 | ARMNN_LOG(error) << (std::string("Cannot map file ") + filePath); |
| 74 | return; |
| 75 | } |
| 76 | #endif |
| 77 | |
Matthew Sloyan | 80fbcd5 | 2021-01-07 13:28:47 +0000 | [diff] [blame] | 78 | DeserializeFromBinary(clCompileContext, context, device, binaryContent); |
| 79 | } |
| 80 | |
| 81 | void ClContextDeserializer::DeserializeFromBinary(arm_compute::CLCompileContext& clCompileContext, |
| 82 | cl::Context& context, |
| 83 | cl::Device& device, |
| 84 | const std::vector<uint8_t>& binaryContent) |
| 85 | { |
| 86 | if (binaryContent.data() == nullptr) |
| 87 | { |
| 88 | throw InvalidArgumentException(fmt::format("Invalid (null) binary content {}", |
| 89 | CHECK_LOCATION().AsString())); |
| 90 | } |
| 91 | |
| 92 | size_t binaryContentSize = binaryContent.size(); |
| 93 | flatbuffers::Verifier verifier(binaryContent.data(), binaryContentSize); |
| 94 | if (verifier.VerifyBuffer<ClContext>() == false) |
| 95 | { |
| 96 | throw ParseException(fmt::format("Buffer doesn't conform to the expected Armnn " |
| 97 | "flatbuffers format. size:{0} {1}", |
| 98 | binaryContentSize, |
| 99 | CHECK_LOCATION().AsString())); |
| 100 | } |
| 101 | auto clContext = GetClContext(binaryContent.data()); |
| 102 | |
| 103 | for (Program const* program : *clContext->programs()) |
| 104 | { |
Francis Murtagh | e118e04 | 2021-10-22 18:06:32 +0100 | [diff] [blame] | 105 | const char* volatile programName = program->name()->c_str(); |
Matthew Sloyan | 80fbcd5 | 2021-01-07 13:28:47 +0000 | [diff] [blame] | 106 | auto programBinary = program->binary(); |
| 107 | std::vector<uint8_t> binary(programBinary->begin(), programBinary->begin() + programBinary->size()); |
| 108 | |
| 109 | cl::Program::Binaries binaries{ binary }; |
| 110 | std::vector<cl::Device> devices {device}; |
| 111 | cl::Program theProgram(context, devices, binaries); |
| 112 | theProgram.build(); |
| 113 | clCompileContext.add_built_program(programName, theProgram); |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | } // namespace armnn |