root
/
MNN
mirror of https://github.com/alibaba/MNN.git
1
0
Fork 0
Code Issues Actions 1 Packages Projects Releases Wiki Activity
MNN/source/backend/cpu/CPUBackend.cpp

536 lines
16 KiB
C++
Raw Blame History

//
// CPUBackend.cpp
// MNN
//
// Created by MNN on 2018/07/06.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "backend/cpu/CPUBackend.hpp"
#include <cmath>
#include <mutex>
#include "CPUResizeCache.hpp"
#include "core/BufferAllocator.hpp"
#include "CPUTensorConvert.hpp"
#include "compute/CommonOptFunction.h"
#include "core/TensorUtils.hpp"
#include "ThreadPool.hpp"
#include "core/Concurrency.h"
#include "CPUCast.hpp"
#include "core/OpCommonUtils.hpp"
#include "core/WrapExecution.hpp"
#ifdef _OPENMP
#include <omp.h>
#endif // _OPENMP
#include "backend/cpu/CPURuntime.hpp"
#include "core/Macro.h"
#ifdef MNN_USE_ARMV82
#include "backend/arm82/Arm82Backend.hpp"
#endif
#define MAX_THREAD_NUMBER 32
#define LARGE_MEMORY 1024 * 1024 * 500
#ifdef MNN_SUPPORT_BF16
#include "bf16/BF16Backend.hpp"
#include "bf16/BF16Functions.hpp"
#endif
#ifdef MNN_USE_SSE
#include "x86_x64/AVX2Backend.hpp"
#endif
#define MNN_CPU_CHECK_NAN 1
#define MNN_CPU_USE_DEFAULT_BACKEND 4
namespace MNN {
void registerCPUOps();
ErrorCode CastWrapExecution::onExecute(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs) {
auto convertType = mRunType == DataType_DT_INT8 ? CPUCastCreator::FlOAT_TO_INT8 : CPUCastCreator::INT8_TO_FlOAT;
auto cpuBackend = ((CPUBackend*)backend());
CPUCastCreator::cast(inputs[0], outputs[0], cpuBackend, convertType);
return NO_ERROR;
}
CPURuntime::CPURuntime(const Backend::Info& info) {
mStaticAllocator.reset(new EagerBufferAllocator(BufferAllocator::Allocator::createDefault()));
mThreadNumber = info.numThread;
mThreadNumber = std::max(1, mThreadNumber);
mThreadNumber = std::min(mThreadNumber, MAX_THREAD_NUMBER);
mPower = BackendConfig::Power_Normal;
mMemory = BackendConfig::Memory_Normal;
mPrecision = BackendConfig::Precision_Normal;
mFlops = MNNGetCPUFlops(mThreadNumber);
if (info.user != nullptr) {
mPrecision = info.user->precision;
mPower = info.user->power;
mMemory = info.user->memory;
mFlags = info.user->flags;
}
mAllocator = info.allocator;
#ifdef _OPENMP
switch (mPower) {
case BackendConfig::Power_Low:
MNNSetCPUThreadsMode(MNN_CPU_MODE_LITTLE);
break;
case BackendConfig::Power_High:
MNNSetCPUThreadsMode(MNN_CPU_MODE_POWER_FRI);
break;
default:
break;
}
#endif
#ifdef MNN_USE_THREAD_POOL
mThreadNumber = ThreadPool::init(mThreadNumber);
if (mThreadNumber > 1) {
mTaskIndex = ThreadPool::acquireWorkIndex();
} else {
mTaskIndex = -1;
}
if (mTaskIndex >= 0 && mPower == BackendConfig::Power_High) {
ThreadPool::active();
}
#endif
#ifdef LOG_VERBOSE
MNN_PRINT("create CPURuntime:%p\n", this);
#endif
}
CPURuntime:: ~ CPURuntime() {
#ifdef MNN_USE_THREAD_POOL
if (mTaskIndex >= 0 && mPower == BackendConfig::Power_High) {
ThreadPool::deactive();
}
ThreadPool::releaseWorkIndex(mTaskIndex);
#endif
}
float CPURuntime::onGetMemoryInMB() {
auto staticMemoryInMB = mStaticAllocator->totalSize() / 1024.0f / 1024.0f;
return staticMemoryInMB;
}
bool CPURuntime::onCheckInfo(Backend::Info& info) const {
#ifdef MNN_USE_THREAD_POOL
int threadNumber = mThreadNumber;
if (mTaskIndex < 0) {
threadNumber = 1;
}
info.numThread = threadNumber;
#endif
return true;
}
Backend* CPURuntime::onCreate(const BackendConfig* config) const {
auto precision = mPrecision;
auto memory = mMemory;
size_t flags = mFlags;
if (nullptr != config) {
precision = config->precision;
flags = config->flags;
memory = config->memory;
}
#ifdef LOG_VERBOSE
MNN_PRINT("cpu backend was created by runtime:%p\n", this);
#endif
#ifdef MNN_USE_ARMV82
auto core = MNNGetCoreFunctions();
if (core->supportFp16arith && precision == BackendConfig::Precision_Low) {
return new Arm82Backend(this, memory);
}
#endif
#ifdef MNN_SUPPORT_BF16
if (precision == BackendConfig::Precision_Low_BF16 && BF16Functions::get()) {
return new BF16Backend(this);
}
#endif
if (flags == MNN_CPU_USE_DEFAULT_BACKEND) {
return new CPUBackend(this, precision, memory, MNN_FORWARD_CPU, 0);
}
#ifdef MNN_USE_SSE
if (AVX2Backend::isValid()) {
return new AVX2Backend(this, memory, flags);
}
#endif
return new CPUBackend(this, precision, memory, MNN_FORWARD_CPU, flags);
}
int CPURuntime::onGetRuntimeStatus(RuntimeStatus statusEnum) const {
switch (statusEnum) {
case STATUS_SUPPORT_FP16: {
return MNNGetCoreFunctions()->supportFp16arith;
break;
}
case STATUS_SUPPORT_DOT_PRODUCT: {
return MNNGetCoreFunctions()->supportSDot;
break;
}
default: {
MNN_ERROR("unsupported interface");
break;
}
}
return 0;
}
void CPURuntime::onGabageCollect(int level) {
mStaticAllocator->release(false);
}
void CPURuntime::onConcurrencyBegin() const {
#ifdef MNN_USE_THREAD_POOL
if (mTaskIndex >= 0 && mPower != BackendConfig::Power_High) {
ThreadPool::active();
}
#else
#ifdef _OPENMP
omp_set_dynamic(0);
omp_set_num_threads(mThreadNumber);
#endif
#endif
}
void CPURuntime::onConcurrencyEnd() const {
#ifdef MNN_USE_THREAD_POOL
if (mTaskIndex >= 0 && mPower != BackendConfig::Power_High) {
ThreadPool::deactive();
}
#endif
}
std::map<OpType, CPUBackend::Creator*>* CPUBackend::gCreator = nullptr;
void CPUBackend::initCreatorMap() {
gCreator = new std::map<OpType, CPUBackend::Creator*>;
}
bool CPUBackend::addCreator(OpType t, Creator* c) {
auto map = gCreator;
if (map->find(t) != map->end()) {
MNN_PRINT("Error: %d type has be added\n", t);
return false;
}
map->insert(std::make_pair(t, c));
return true;
}
CPUBackend::CPUBackend(const CPURuntime* runtime, BackendConfig::PrecisionMode precision, BackendConfig::MemoryMode memory, MNNForwardType type, size_t flags) : Backend(type) {
#ifdef LOG_VERBOSE
MNN_PRINT("cpu backend create\n");
#endif
mMemory = memory;
mRuntime = const_cast<CPURuntime*>(runtime);
std::shared_ptr<BufferAllocator::Allocator> defaultAlloc(BufferAllocator::Allocator::createRecurse(runtime->mStaticAllocator.get()));
if (mRuntime->getAllocatorType() == Runtime::Allocator_Defer) {
mDynamicAllocator.reset(new DeferBufferAllocator(defaultAlloc));
} else {
mDynamicAllocator.reset(new EagerBufferAllocator(defaultAlloc));
}
mStaticAllocator = runtime->mStaticAllocator;
mPrecisionMode = precision;
mCoreFunctions = MNNGetCoreFunctions();
mInt8CoreFunctions = MNNGetInt8CoreFunctions();
mCache = new CPUResizeCache;
}
CPUBackend::~CPUBackend() {
delete mCache;
}
void CPUBackend::onExecuteBegin() const {
mRuntime->onConcurrencyBegin();
}
void CPUBackend::onExecuteEnd() const {
mRuntime->onConcurrencyEnd();
}
void CPUBackend::onResizeBegin() {
mDynamicAllocator->reset();
}
ErrorCode CPUBackend::onResizeEnd() {
getCache()->release();
return mDynamicAllocator->compute();
}
Backend::MemObj* CPUBackend::allocBuffer(size_t size, Tensor* dest, StorageType storageType) {
auto originMem = TensorUtils::getDescribe(dest)->mem.get();
if (nullptr != originMem) {
if (static_cast<CPUMemObj*>(originMem)->getSize() >= size) {
return originMem;
} else {
TensorUtils::getDescribe(dest)->mem.reset(nullptr);
}
}
// MNN_PRINT("Acquire size = %d\n", size);
if (size <= 0) {
MNN_PRINT("Acquire buffer size = %lu\n", size);
MNN_ASSERT(false);
return nullptr;
}
// if (size > LARGE_MEMORY) {
// MNN_PRINT("Size larger than 500 M :%d\n", size);
// }
auto& buffer = dest->buffer();
auto des = TensorUtils::getDescribe(dest);
MemChunk chunk;
switch (storageType) {
case STATIC: {
chunk = mStaticAllocator->alloc(size, false);
break;
}
case DYNAMIC: {
chunk = mDynamicAllocator->alloc(size, false);
break;
}
case DYNAMIC_SEPERATE: {
chunk = mDynamicAllocator->alloc(size, true);
break;
}
default:
MNN_ASSERT(false);
break;
}
if (chunk.invalid()) {
MNN_ERROR("Alloc buffer error for cpu backend\n");
return nullptr;
}
Backend::MemObj* res = nullptr;
if (storageType == STATIC) {
res = new CPUMemObj(mStaticAllocator.get(), chunk, size);
} else {
res = new CPUMemObj(mDynamicAllocator.get(), chunk, size);
chunk.attach(dest);
}
if (chunk.ptr()) {
buffer.host = chunk.ptr();
}
des->extra.offset = 0;
return res;
}
Backend::MemObj* CPUBackend::onAcquire(const MNN::Tensor* nativeTensorConst, StorageType storageType) {
if (nativeTensorConst == nullptr) {
return nullptr;
}
//FUNC_PRINT_ALL(nativeTensorConst, p);
auto nativeTensor = (Tensor*)nativeTensorConst;
auto size = getTensorSize(nativeTensor, true);
return allocBuffer(size, nativeTensor, storageType);
}
static OpType _getRealOpType(OpType opType) {
switch (opType) {
case OpType_Convolution:
return OpType_ConvInt8;
case OpType_ConvolutionDepthwise:
return OpType_DepthwiseConvInt8;
case OpType_Pooling:
return OpType_PoolInt8;
// case OpType_Eltwise:
// // TODO: just support EltwiseAdd
// return OpType_EltwiseInt8;
default:
return opType;
}
}
void* CPUBackend::onMapTensor(Tensor::MapType mtype, Tensor::DimensionType dtype, const Tensor* srcTensor) {
if (getBytes(this, srcTensor) != srcTensor->getType().bytes()) {
return nullptr;
}
if (OpCommonUtils:: convertDimType(TensorUtils::getDescribe(srcTensor)->dimensionFormat) != dtype) {
return nullptr;
}
return srcTensor->host<void>();
}
bool CPUBackend::onUnmapTensor(Tensor::MapType mtype, Tensor::DimensionType dtype, const Tensor* dstTensor, void* mapPtr) {
if (getBytes(this, dstTensor) != dstTensor->getType().bytes()) {
return false;
}
if (OpCommonUtils:: convertDimType(TensorUtils::getDescribe(dstTensor)->dimensionFormat) != dtype) {
return false;
}
return true;
}
size_t CPUBackend::getTensorSize(const Tensor* tensor, bool multiBytes) const {
auto core = mCoreFunctions;
size_t dataSize = 1;
auto des = TensorUtils::getDescribe(tensor);
for (int i = 0; i < tensor->dimensions(); i++) {
size_t currentDimSize = tensor->length(i);
if (des->dimensionFormat == MNN_DATA_FORMAT_NC4HW4 && 1 == i) {
currentDimSize = UP_DIV(currentDimSize, core->pack) * core->pack;
}
dataSize *= currentDimSize;
}
if (multiBytes) {
size_t bytes = tensor->getType().bytes();
if (TensorUtils::getDescribe(tensor)->quantAttr != nullptr) {
if (TensorUtils::getDescribe(tensor)->type == DataType_DT_FLOAT) {
bytes = 4;
} else {
bytes = 1;
}
}
return dataSize * bytes;
}
return dataSize;
}
int CPUBackend::getBytes(const Backend* backend, const Tensor* output) {
auto bytes = output->getType().bytes();
auto core = static_cast<const CPUBackend*>(backend)->functions();
auto quant = TensorUtils::getDescribe(output)->quantAttr.get();
if (output->getType().code == halide_type_float) {
bytes = core->bytes;
}
if (nullptr != quant && TensorUtils::getDescribe(output)->type == DataType_DT_INT8) {
bytes = 1;
}
return bytes;
}
DataType CPUBackend::getDataType(const Tensor* tensor) {
auto des = TensorUtils::getDescribe(tensor);
if (nullptr == des->quantAttr.get()) {
return DataType_DT_FLOAT;
}
return des->type;
}
/// get execution
Execution* CPUBackend::onCreate(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
const MNN::Op* op) {
/**
BatchNorm it will be converted to scale
for model convert, don't print error log
*/
if (op->type() == OpType_BatchNorm) {
return nullptr;
}
auto opType = op->type();
if (outputs.size() > 0) {
if (TensorUtils::getDescribe(outputs[0])->quantAttr != nullptr && TensorUtils::getDescribe(outputs[0])->type == DataType_DT_INT8) {
opType = _getRealOpType(opType);
}
}
// TODO: rm this convert when merge diff datatyoe of op
auto map = gCreator;
auto iter = map->find(opType);
if (iter == map->end()) {
MNN_PRINT("Don't support type [%s], %s\n", MNN::EnumNameOpType(op->type()), op->name()->c_str());
return nullptr;
}
Execution* exe = nullptr;
bool needCast = false;
if (exe == nullptr) {
exe = iter->second->onCreate(inputs, outputs, op, this);
}
return exe;
}
const Runtime* CPUBackend::getRuntime() {
return mRuntime;
}
bool CPUBackend::onClearBuffer() {
mCache->reset();
mDynamicAllocator->release(true);
return true;
}
std::pair<int, int> CPUBackend::multiThreadDivide(int size) const {
int sizeDivide = size / threadNumber();
sizeDivide = UP_DIV(sizeDivide, mCoreFunctions->pack) * mCoreFunctions->pack;
int scheduleNumber = 1;
if (sizeDivide > 0) {
scheduleNumber = UP_DIV(size, sizeDivide);
}
return std::make_pair(sizeDivide, scheduleNumber);
}
void CPUBackend::onCopyBuffer(const Tensor* srcTensor, const Tensor* dstTensor) const {
auto& srcBuffer = srcTensor->buffer();
auto& dstBuffer = dstTensor->buffer();
MNN_ASSERT(srcBuffer.dimensions == dstBuffer.dimensions);
if (srcTensor->getDimensionType() == dstTensor->getDimensionType()) {
for (int i = 0; i < srcBuffer.dimensions; ++i) {
MNN_ASSERT(srcBuffer.dim[i].extent <= dstBuffer.dim[i].extent);
}
}
if (nullptr == srcBuffer.host || nullptr == dstBuffer.host) {
return;
}
std::unique_ptr<Tensor> wrapTensor;
if (getDataType(srcTensor) != getDataType(dstTensor)) {
auto dimType = OpCommonUtils::convertDimType(TensorUtils::getDescribe(srcTensor)->dimensionFormat);
auto convertType = CPUCastCreator::FlOAT_TO_INT8;
if (getDataType(srcTensor) == DataType_DT_INT8) {
convertType = CPUCastCreator::INT8_TO_FlOAT;
}
wrapTensor.reset(Tensor::createDevice(srcTensor->shape(), dstTensor->getType(), dimType));
auto dstType = getDataType(dstTensor);
if (dstType != DataType_DT_FLOAT) {
wrapTensor->setType(dstType);
}
wrapTensor->buffer().host = (uint8_t*)MNNMemoryAllocAlign(getTensorSize(wrapTensor.get()) * wrapTensor->getType().bytes(), MNN_MEMORY_ALIGN_DEFAULT);
#ifdef LOG_VERBOSE
MNN_PRINT("CPU backend copy tensor ptr:%p -> ptr:%p hostPtr:%p -> %p, format %d -> %d, dims: [",
srcTensor, dstTensor, srcTensor->host<void>(), dstTensor->host<void>(), TensorUtils::getDescribe(srcTensor)->dimensionFormat, TensorUtils::getDescribe(dstTensor)->dimensionFormat);
for (int i=0; i<srcTensor->dimensions(); ++i) {
MNN_PRINT("%d ", srcTensor->length(i));
}
MNN_PRINT("]\n");
#endif
TensorUtils::getDescribe(wrapTensor.get())->memoryType = Tensor::InsideDescribe::MEMORY_HOST;
auto code = CPUCastCreator::cast(srcTensor, wrapTensor.get(), this, convertType);
if (NO_ERROR != code) {
MNN_ERROR("Error in CPUBackend::onCopyBuffer:cast\n");
}
srcTensor = wrapTensor.get();
} else if (srcTensor->getType() != dstTensor->getType()) {
MNN_ERROR("Input type not match session's tensor\n");
return;
}
auto code = CPUTensorConverter::convert(srcTensor, dstTensor);
if (NO_ERROR != code) {
MNN_ERROR("Error in CPUBackend::onCopyBuffer:convert\n");
}
}
class CPURuntimeCreator : public RuntimeCreator {
public:
virtual Runtime* onCreate(const Backend::Info& info) const override {
return new CPURuntime(info);
}
};
#ifdef MNN_SUPPORT_BF16
extern void registerBF16Backend();
#endif
#ifdef ENABLE_ARMV82
extern void registerArm82RuntimeCreator();
#endif
void registerCPURuntimeCreator() {
CPUBackend::initCreatorMap();
registerCPUOps();
#ifdef MNN_SUPPORT_BF16
registerBF16Backend();
#endif
#ifdef MNN_USE_ARMV82
registerArm82RuntimeCreator();
#endif
// TODO: Merge _initCoreFunction MNNFunctionInit and cpuinfo_arm_init
MNNCoreFunctionInit();
MNNInsertExtraRuntimeCreator(MNN_FORWARD_CPU, new CPURuntimeCreator);
};
} // namespace MNN
Reference in New Issue View Git Blame Copy Permalink