File size: 7,401 Bytes
de996a0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | #include "ax_runner.h"
#include <stdexcept>
#ifdef MOSS_WITH_AX_ENGINE
#include <ax_engine_api.h>
#include <ax_sys_api.h>
#include <cstring>
#include <fstream>
#include <iterator>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
namespace {
struct MappedFile {
int fd = -1;
void* data = MAP_FAILED;
size_t size = 0;
explicit MappedFile(const std::string& path) {
fd = ::open(path.c_str(), O_RDONLY);
if (fd < 0) {
throw std::runtime_error("failed to open " + path);
}
struct stat st{};
if (::fstat(fd, &st) != 0 || st.st_size <= 0) {
::close(fd);
fd = -1;
throw std::runtime_error("failed to stat " + path);
}
size = static_cast<size_t>(st.st_size);
data = ::mmap(nullptr, size, PROT_READ, MAP_PRIVATE, fd, 0);
if (data == MAP_FAILED) {
::close(fd);
fd = -1;
throw std::runtime_error("failed to mmap " + path);
}
}
~MappedFile() {
if (data != MAP_FAILED) {
::munmap(data, size);
}
if (fd >= 0) {
::close(fd);
}
}
};
size_t io_size(const AX_ENGINE_IOMETA_T& meta) {
size_t size = 1;
for (int d = 0; d < meta.nShapeSize; ++d) {
size *= static_cast<size_t>(meta.pShape[d]);
}
switch (meta.eDataType) {
case AX_ENGINE_DT_UINT8:
case AX_ENGINE_DT_SINT8:
return size;
case AX_ENGINE_DT_UINT16:
case AX_ENGINE_DT_SINT16:
case AX_ENGINE_DT_BFLOAT16:
return size * 2;
default:
return size * 4;
}
}
void check_ax(int ret, const char* message) {
if (ret != 0) {
throw std::runtime_error(message);
}
}
} // namespace
struct AxRunner::Impl {
AX_ENGINE_HANDLE handle = nullptr;
AX_ENGINE_IO_INFO_T* info = nullptr;
AX_ENGINE_IO_T io{};
explicit Impl(const std::string& model_path) {
check_ax(AX_SYS_Init(), "AX_SYS_Init failed");
AX_ENGINE_NPU_ATTR_T npu_attr;
std::memset(&npu_attr, 0, sizeof(npu_attr));
npu_attr.eHardMode = static_cast<AX_ENGINE_NPU_MODE_T>(0);
check_ax(AX_ENGINE_Init(&npu_attr), "AX_ENGINE_Init failed");
MappedFile model(model_path);
check_ax(AX_ENGINE_CreateHandle(&handle, model.data, static_cast<AX_U32>(model.size)),
"AX_ENGINE_CreateHandle failed");
check_ax(AX_ENGINE_CreateContext(handle), "AX_ENGINE_CreateContext failed");
check_ax(AX_ENGINE_GetIOInfo(handle, &info), "AX_ENGINE_GetIOInfo failed");
io.nInputSize = info->nInputSize;
io.nOutputSize = info->nOutputSize;
io.pInputs = new AX_ENGINE_IO_BUFFER_T[info->nInputSize]();
io.pOutputs = new AX_ENGINE_IO_BUFFER_T[info->nOutputSize]();
for (uint32_t i = 0; i < info->nInputSize; ++i) {
auto& buf = io.pInputs[i];
buf.nSize = info->pInputs[i].nSize;
check_ax(AX_SYS_MemAlloc(&buf.phyAddr, &buf.pVirAddr, buf.nSize, 128,
reinterpret_cast<const AX_S8*>(info->pInputs[i].pName)),
"AX_SYS_MemAlloc input");
}
for (uint32_t i = 0; i < info->nOutputSize; ++i) {
auto& buf = io.pOutputs[i];
buf.nSize = info->pOutputs[i].nSize;
check_ax(AX_SYS_MemAlloc(&buf.phyAddr, &buf.pVirAddr, buf.nSize, 128,
reinterpret_cast<const AX_S8*>(info->pOutputs[i].pName)),
"AX_SYS_MemAlloc output");
}
}
~Impl() {
if (io.pInputs != nullptr) {
for (uint32_t i = 0; i < info->nInputSize; ++i) {
if (io.pInputs[i].phyAddr != 0) {
AX_SYS_MemFree(io.pInputs[i].phyAddr, io.pInputs[i].pVirAddr);
}
}
delete[] io.pInputs;
}
if (io.pOutputs != nullptr) {
for (uint32_t i = 0; i < info->nOutputSize; ++i) {
if (io.pOutputs[i].phyAddr != 0) {
AX_SYS_MemFree(io.pOutputs[i].phyAddr, io.pOutputs[i].pVirAddr);
}
}
delete[] io.pOutputs;
}
if (handle != nullptr) {
AX_ENGINE_DestroyHandle(handle);
}
AX_ENGINE_Deinit();
AX_SYS_Deinit();
}
};
AxRunner::AxRunner(const std::string& model_path) : impl_(new Impl(model_path)) {}
AxRunner::~AxRunner() { delete impl_; }
std::vector<size_t> AxRunner::input_sizes() const {
std::vector<size_t> sizes;
for (uint32_t i = 0; i < impl_->info->nInputSize; ++i) {
sizes.push_back(io_size(impl_->info->pInputs[i]));
}
return sizes;
}
std::vector<size_t> AxRunner::output_sizes() const {
std::vector<size_t> sizes;
for (uint32_t i = 0; i < impl_->info->nOutputSize; ++i) {
sizes.push_back(io_size(impl_->info->pOutputs[i]));
}
return sizes;
}
std::vector<std::string> AxRunner::input_names() const {
std::vector<std::string> names;
for (uint32_t i = 0; i < impl_->info->nInputSize; ++i) {
names.emplace_back(impl_->info->pInputs[i].pName);
}
return names;
}
std::vector<std::string> AxRunner::output_names() const {
std::vector<std::string> names;
for (uint32_t i = 0; i < impl_->info->nOutputSize; ++i) {
names.emplace_back(impl_->info->pOutputs[i].pName);
}
return names;
}
std::vector<std::vector<uint8_t>> AxRunner::run(
const std::vector<std::pair<const void*, size_t>>& feeds) {
if (feeds.size() != impl_->info->nInputSize) {
throw std::runtime_error("input count mismatch");
}
for (uint32_t i = 0; i < impl_->info->nInputSize; ++i) {
size_t want = input_sizes()[i];
if (feeds[i].second != want) {
throw std::runtime_error("input size mismatch for tensor " + std::to_string(i));
}
std::memcpy(impl_->io.pInputs[i].pVirAddr, feeds[i].first, feeds[i].second);
}
check_ax(AX_ENGINE_RunSync(impl_->handle, &impl_->io), "AX_ENGINE_RunSync failed");
std::vector<std::vector<uint8_t>> outputs;
for (uint32_t i = 0; i < impl_->info->nOutputSize; ++i) {
size_t size = output_sizes()[i];
const uint8_t* src = static_cast<const uint8_t*>(impl_->io.pOutputs[i].pVirAddr);
outputs.emplace_back(static_cast<const uint8_t*>(src),
static_cast<const uint8_t*>(src) + size);
}
return outputs;
}
#else // MOSS_WITH_AX_ENGINE
struct AxRunner::Impl {
std::string model_path;
explicit Impl(const std::string& path) : model_path(path) {}
};
AxRunner::AxRunner(const std::string& model_path) : impl_(new Impl(model_path)) {
throw std::runtime_error(
"AxRunner compiled without AX runtime; configure with -DAX_RUNTIME_ROOT=<bsp root>");
}
AxRunner::~AxRunner() { delete impl_; }
std::vector<size_t> AxRunner::input_sizes() const { return {}; }
std::vector<size_t> AxRunner::output_sizes() const { return {}; }
std::vector<std::string> AxRunner::input_names() const { return {}; }
std::vector<std::string> AxRunner::output_names() const { return {}; }
std::vector<std::vector<uint8_t>> AxRunner::run(
const std::vector<std::pair<const void*, size_t>>&) {
throw std::runtime_error("AxRunner stub: no AX runtime");
}
#endif
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