MNN/express/module/PipelineModule.cpp

920 lines
35 KiB
C++

//
// PipelineModule.cpp
// MNN
//
// Created by MNN on 2020/01/09.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "PipelineModule.hpp"
#include <set>
#include <vector>
#include "ModuleInside.hpp"
#include "StaticModule.hpp"
#include "IfModule.hpp"
#include "WhileModule.hpp"
#include "NMSModule.hpp"
#include "Utils.hpp"
#include "core/Backend.hpp"
#include "core/WrapExecution.hpp"
#include "core/FileLoader.hpp"
#include "core/OpCommonUtils.hpp"
#include "utils/InitNet.hpp"
#include "RuntimeAttr.hpp"
#include "geometry/GeometryComputer.hpp"
#include "geometry/GeometryComputerUtils.hpp"
#include <MNN/expr/ExecutorScope.hpp>
using namespace MNN::Express;
namespace MNN {
namespace Express {
//#define DYNAMIC
//#define MNN_PIPELINE_MODULE_DEBUG
ExprModule::ExprModule(EXPRP expr) {
mExpr = expr;
setName(expr->name());
mInputs = expr->inputs();
auto op = mExpr->get();
if (op) {
auto typeName = EnumNameOpType(op->type());
setType(typeName);
}
for (int i = 0; i < mInputs.size(); ++i) {
auto inputExpr = mInputs[i]->expr().first;
if (inputExpr->get() != nullptr) {
mInputs[i] = nullptr;
mInputIndexes.emplace_back(i);
continue;
}
switch (inputExpr->inputType()) {
case VARP::INPUT:
mInputs[i] = nullptr;
mInputIndexes.emplace_back(i);
break;
case VARP::CONSTANT:
break;
case VARP::TRAINABLE:
addParameter(mInputs[i]);
break;
default:
break;
}
}
// TODO: Optimize the logic
if (!mExpr->mCanDecompose) {
ExecutorScope::Current()->setLazyComputeMode(Executor::LAZY_CONTENT);
}
}
std::vector<VARP> ExprModule::onForward(const std::vector<VARP>& inputs) {
MNN_ASSERT(mInputIndexes.size() == inputs.size());
if (nullptr == mExpr->get()) {
return {Variable::create(mExpr)};
}
std::vector<VARP> tempInputs = mInputs;
for (int i = 0; i < inputs.size(); ++i) {
tempInputs[mInputIndexes[i]] = inputs[i];
}
std::vector<VARP> outputVars;
auto newExpr = Expr::create(mExpr->extra(), std::move(tempInputs), mExpr->outputSize());
newExpr->setName(mExpr->name());
if (!mExpr->mCanDecompose) {
// Set tensor shape from net
newExpr->mCanDecompose = false;
for (int index = 0; index < mExpr->outputSize(); ++index) {
TensorUtils::copyShape(mExpr->inside()->mOutputTensors[index], newExpr->inside()->mOutputTensors[index], true, true);
Utils::copyTensorToInfo(newExpr->inside()->mOutputInfos.data() + index, newExpr->inside()->mOutputTensors[index]);
}
}
for (int i = 0; i < mExpr->outputSize(); ++i) {
outputVars.emplace_back(Variable::create(newExpr, i));
}
return outputVars;
}
Module* ExprModule::clone(CloneContext* ctx) const {
ExprModule* module(new ExprModule(ctx->getOrClone(mExpr)));
for (const VARP& var : mInputs) {
module->mInputs.push_back(ctx->getOrClone(var));
}
module->mInputIndexes = mInputIndexes;
return this->cloneBaseTo(ctx, module);
}
PipelineModule::PipelineModule(std::vector<VARP> inputs, std::vector<VARP> outputs, const Transformer& transformFunction) {
setType(PIPELINE_MODULE);
std::map<EXPRP, int> inputExpr;
for (int i=0; i<inputs.size(); ++i) {
auto expr = inputs[i]->expr().first;
inputExpr.insert(std::make_pair(expr, i));
}
std::vector<EXPRP> executeOrder = Variable::getExecuteOrder(outputs);
// Set Indexes
std::map<EXPRP, int> indexes;
mInputSize = inputs.size();
int currentIndexes = inputs.size();
for (auto expr : executeOrder) {
if (inputExpr.find(expr) != inputExpr.end()) {
indexes[expr] = inputExpr[expr];
continue;
}
indexes[expr] = currentIndexes;
currentIndexes += expr->outputSize();
}
std::set<EXPRP> inputSets;
mStackSize = currentIndexes;
for (auto v : inputs) {
auto inputExpr = v->expr();
inputSets.insert(inputExpr.first);
}
mOutputIndex.clear();
for (auto output : outputs) {
auto outputExpr = output->expr();
mOutputIndex.emplace_back(indexes[outputExpr.first] + outputExpr.second);
}
// Create All SubModule
for (auto expr : executeOrder) {
if (inputSets.find(expr) != inputSets.end()) {
continue;
}
std::pair<std::vector<int>, std::shared_ptr<Module> > moduleResult;
bool extracted = false;
if (!transformFunction) {
moduleResult = std::make_pair(std::vector<int>{}, std::shared_ptr<Module>(nullptr));
} else {
moduleResult = transformFunction(expr);
}
if (moduleResult.second == nullptr) {
std::shared_ptr<Module> module(new ExprModule(expr));
moduleResult.first = ((ExprModule*)module.get())->inputIndexes();
moduleResult.second = module;
} else {
extracted = true;
}
auto subInputs = expr->inputs();
auto& exprInputIndexes = moduleResult.first;
std::vector<int> inputIndexes;
if (exprInputIndexes.empty() && extracted) {
inputIndexes.resize(subInputs.size());
for (int i = 0; i < inputIndexes.size(); ++i) {
auto inputExpr = subInputs[i]->expr();
inputIndexes[i] = indexes[inputExpr.first] + inputExpr.second;
}
} else {
inputIndexes.resize(exprInputIndexes.size());
for (int i = 0; i < inputIndexes.size(); ++i) {
auto inputExpr = subInputs[exprInputIndexes[i]]->expr();
inputIndexes[i] = indexes[inputExpr.first] + inputExpr.second;
}
}
std::vector<int> outputIndexes(expr->outputSize());
for (int i = 0; i < outputIndexes.size(); ++i) {
outputIndexes[i] = indexes[expr] + i;
}
mSubModules.emplace_back(std::make_tuple(moduleResult.second, inputIndexes, outputIndexes));
registerModel({moduleResult.second});
}
}
std::vector<int> PipelineModule::countOutputReference(std::vector<int> outputIndices) {
MNN_ASSERT(outputIndices.size() > 0);
std::vector<int> countResult(outputIndices.size(), 0);
for (int i = 0; i < mSubModules.size(); i++) {
auto &m = mSubModules[i];
auto& theModule = std::get<0>(m);
auto name = theModule->name();
auto &inputIndices = std::get<1>(m);
for (int j = 0; j < inputIndices.size(); j++) {
int index = inputIndices[j];
for (int k = 0; k < countResult.size(); k++) {
if (index == outputIndices[k]) {
countResult[k]++;
}
}
}
}
return countResult;
}
int PipelineModule::onOptimize(Interpreter::SessionMode stage) {
if (stage == Interpreter::Module_Forward_Separate) {
if (mSubModules.size() == 1 && std::get<0>(mSubModules[0])->type() == "StaticModule") {
mSeperate = true;
return 0;
}
return NOT_SUPPORT;
} else if (stage == Interpreter::Module_Forward_Combine) {
mSeperate = false;
}
return 0;
}
std::vector<VARP> PipelineModule::onForward(const std::vector<VARP>& inputs) {
if (mSeperate && inputs.empty()) {
for (int index = 0; index < mSubModules.size(); ++index) {
auto& m = mSubModules[index];
std::get<0>(m)->onForward(inputs);
}
return {};
}
std::vector<VARP> mStack(mStackSize);
for (int i = 0; i < mInitVars.size(); ++i) {
mStack[i + mInputSize] = mInitVars[i];
}
MNN_ASSERT(mInputSize == inputs.size());
for (int i = 0; i < mInputSize; ++i) {
mStack[i] = inputs[i];
}
for (int index = 0; index < mSubModules.size(); ++index) {
auto& m = mSubModules[index];
std::vector<VARP> tempInputs(std::get<1>(m).size());
for (int i = 0; i < tempInputs.size(); ++i) {
auto stackInput = std::get<1>(m)[i];
tempInputs[i] = mStack[stackInput];
MNN_ASSERT(nullptr != tempInputs[i]);
}
std::vector<VARP> tempOutputs = std::get<0>(m)->onForward(tempInputs);
if(tempOutputs.size() != std::get<2>(m).size()) {
// Execute has error
return {};
}
for (int i = 0; i < tempOutputs.size(); ++i) {
mStack[std::get<2>(m)[i]] = tempOutputs[i];
MNN_ASSERT(nullptr != tempOutputs[i]);
}
}
std::vector<VARP> outputs(mOutputIndex.size());
for (int i = 0; i < mOutputIndex.size(); ++i) {
outputs[i] = mStack[mOutputIndex[i]];
}
return outputs;
}
void PipelineModule::onClearCache() {
// Do nothing
}
void PipelineModule::_createSubGraph(const MNN::Net* net, std::shared_ptr<MNN::Express::Executor::RuntimeManager> rtMgr, const Module::Config* config, std::map<std::string, SubGraph>& subGraphMap) {
auto subGraphs = net->subgraphs();
if (nullptr == subGraphs) {
return;
}
for (int i=0; i<subGraphs->size(); ++i) {
auto graph = subGraphs->GetAs<SubGraphProto>(i);
std::vector<std::string> subInputs;
std::vector<std::string> subOutputs;
if (nullptr != graph->inputs()) {
for (int v=0; v<graph->inputs()->size(); ++v) {
auto index = graph->inputs()->data()[v];
subInputs.emplace_back(graph->tensors()->GetAsString(index)->str());
}
}
for (int v=0; v<graph->outputs()->size(); ++v) {
auto index = graph->outputs()->data()[v];
subOutputs.emplace_back(graph->tensors()->GetAsString(index)->str());
}
#ifdef MNN_PIPELINE_MODULE_DEBUG
for (auto& s : subOutputs) {
FUNC_PRINT_ALL(s.c_str(), s);
}
FUNC_PRINT_ALL(graph->name()->c_str(), s);
#endif
// Pack to Net for loading
std::shared_ptr<Module> submodule;
{
std::unique_ptr<SubGraphProtoT> _tempInfo(graph->UnPack());
std::unique_ptr<NetT> _tempNet(new NetT);
_tempNet->oplists = std::move(_tempInfo->nodes);
_tempNet->tensorName = std::move(_tempInfo->tensors);
_tempNet->extraTensorDescribe = std::move(_tempInfo->extraTensorDescribe);
flatbuffers::FlatBufferBuilder builder(1024);
auto offset = Net::Pack(builder, _tempNet.get());
builder.Finish(offset);
std::shared_ptr<BufferStorage> bufferStorage(new BufferStorage);
bufferStorage->storage = builder.ReleaseRaw(bufferStorage->allocated_size, bufferStorage->offset);
submodule.reset(PipelineModule::load(subInputs, subOutputs, bufferStorage, rtMgr, config, subGraphMap));
if (graph->name() != nullptr) {
submodule->setName(graph->name()->str());
}
}
auto key = graph->name()->str();
SubGraph subgraph;
subgraph.inputs = std::move(subInputs);
subgraph.outputs = std::move(subOutputs);
subgraph.m = submodule;
subGraphMap.insert(std::make_pair(key, subgraph));
}
return;
}
struct SubModuleInfo {
std::vector<int> opList;
std::vector<int> inputs;;
std::vector<int> outputs;
std::vector<uint8_t> tensorMask;
bool isBreak = false;
};
static void _computeTensorMask(SubModuleInfo& m, const Net* net) {
/**Compute All SubModule's inputs and outputs*/
// 0: not use, 1: input, 2: output, 3: mid, 4: valid output
m.tensorMask = std::vector<uint8_t>(net->tensorName()->size(), 0);
auto& tensorMask = m.tensorMask;
for (auto opIndex : m.opList) {
auto op = net->oplists()->GetAs<Op>(opIndex);
if (nullptr != op->inputIndexes()) {
for (int v=0; v<op->inputIndexes()->size(); ++v) {
auto index = op->inputIndexes()->data()[v];
tensorMask[index] = tensorMask[index] | 1;
}
}
if (nullptr != op->outputIndexes()) {
for (int v=0; v<op->outputIndexes()->size(); ++v) {
auto index = op->outputIndexes()->data()[v];
tensorMask[index] = tensorMask[index] | 2;
}
}
}
}
static bool isBreakOp(const Op* op) {
bool isWhileControlflow = false;
if (op->type() == OpType_While && op->main_as_WhileParam() != nullptr) {
isWhileControlflow = true;
}
if (op->type() == OpType_If || isWhileControlflow || op->type() == OpType_Where || op->type() == OpType_Segment || op->type() == OpType_Unique || op->type() == OpType_NonMaxSuppressionV2) {
return true;
}
return false;
}
static std::vector<int> _collectNeededOps(const MNN::Net* net, const std::set<int>& inputIndexes, const std::set<int>& outputIndexes) {
// 0: not set, 1: output, 2:input
std::vector<int> tensorMask(net->tensorName()->size());
::memset(tensorMask.data(), 0, tensorMask.size() * sizeof(int));
// 0: use, 1: no use
std::vector<int> opMask(net->oplists()->size());
::memset(opMask.data(), 0, opMask.size() * sizeof(int));
// Set Initial Status
for (auto v : outputIndexes) {
tensorMask[v] = 1;
}
for (auto v : inputIndexes) {
// If both input/output, set as input
tensorMask[v] = 2;
}
bool change = false;
do {
change = false;
for (int i=0; i<opMask.size(); ++i) {
if (opMask[i] > 0) {
continue;
}
auto op = net->oplists()->GetAs<Op>(i);
if (nullptr != op->outputIndexes()) {
for (int j=0; j<op->outputIndexes()->size(); ++j) {
auto index = op->outputIndexes()->data()[j];
if (tensorMask[index] == 1) {
opMask[i] = 1;
change = true;
}
}
}
if (nullptr != op->inputIndexes() && opMask[i]) {
for (int j=0; j<op->inputIndexes()->size(); ++j) {
auto index = op->inputIndexes()->data()[j];
if (tensorMask[index] != 2) {
tensorMask[index] = 1;
}
}
}
}
} while (change);
std::vector<int> ops;
for (int i=0; i<opMask.size(); ++i) {
if (opMask[i] > 0) {
auto op = net->oplists()->GetAs<Op>(i);
if (needComputeOp(op)) {
ops.emplace_back(i);
continue;
}
}
}
return ops;
}
static std::vector<int> _findBreakIndex(const SubModuleInfo& info, const Net* net, std::shared_ptr<Schedule::ScheduleInfo> sharedConst) {
// 0: not used, 1: const, 2: output
std::vector<uint8_t> constMask(sharedConst->allTensors.size(), 0);
for (int i=0; i<sharedConst->allTensors.size(); ++i) {
if(sharedConst->allTensors[i].get() != nullptr) {
constMask[i] = 1;
}
}
for (int v = 0; v < info.opList.size(); ++v) {
auto op = net->oplists()->GetAs<Op>(info.opList[v]);
if (nullptr == op->outputIndexes()) {
continue;
}
bool isConst = true;
if (nullptr != op->inputIndexes()) {
for (int i=0; i<op->inputIndexes()->size(); ++i) {
auto index = op->inputIndexes()->data()[i];
if (constMask[index]) {
continue;
}
if (OpCommonUtils::opNeedContent(op, i)) {
isConst = false;
break;
}
}
}
if (isConst) {
for (int i=0; i<op->outputIndexes()->size(); ++i) {
auto index = op->outputIndexes()->data()[i];
constMask[index] = 1;
}
}
}
std::vector<int> res;
// Check Break Index
for (int v = 0; v < info.opList.size(); ++v) {
auto op = net->oplists()->GetAs<Op>(info.opList[v]);
if (nullptr == op->outputIndexes() || nullptr == op->inputIndexes()) {
continue;
}
int inputNum = op->inputIndexes()->size();
auto dims = SizeComputer::needInputContent(op, inputNum);
for (auto index : dims) {
if (index < inputNum) {
if (constMask[op->inputIndexes()->data()[index]] != 1) {
res.emplace_back(v);
break;
}
}
}
}
return res;
}
static std::vector<SubModuleInfo> _splitSubModuleForShapeConst(const std::vector<SubModuleInfo>& origin, const Net* net, std::shared_ptr<Schedule::ScheduleInfo> sharedConst) {
std::vector<SubModuleInfo> res;
for (auto& m : origin) {
if (m.isBreak) {
res.emplace_back(std::move(m));
continue;
}
auto breakIndexes = _findBreakIndex(m, net, sharedConst);
if (breakIndexes.size() > 0) {
int current = 0;
for (auto breakIndex : breakIndexes) {
// Split
if (breakIndex > current) {
SubModuleInfo m0;
m0.opList.insert(m0.opList.begin(), m.opList.begin() + current, m.opList.begin() + breakIndex);
res.emplace_back(std::move(m0));
}
SubModuleInfo m1;
m1.opList = {m.opList[breakIndex]};
res.emplace_back(std::move(m1));
current = breakIndex + 1;
}
if (current < m.opList.size()) {
SubModuleInfo m2;
m2.opList.insert(m2.opList.begin(), m.opList.begin() + current, m.opList.end());
res.emplace_back(std::move(m2));
}
} else {
res.emplace_back(std::move(m));
}
}
return res;
}
static std::vector<SubModuleInfo> _createSubModuleInfo(std::shared_ptr<BufferStorage> bufferStorage, const std::set<int>& inputIndexes, const std::set<int>& outputIndexes, const std::set<int>& noComputeIndexes, std::shared_ptr<Schedule::ScheduleInfo> sharedConst) {
std::vector<SubModuleInfo> submodule;
auto net = flatbuffers::GetRoot<Net>(bufferStorage->buffer());
auto selectOps = _collectNeededOps(net, inputIndexes, outputIndexes);
// Separate the graph to serveral submodule
SubModuleInfo current;
for (int si=0; si<selectOps.size(); ++si) {
auto i = selectOps[si];
auto op = net->oplists()->GetAs<Op>(i);
if (isBreakOp(op)) {
// TODO: Don't need split segment
if (current.opList.size() > 0) {
// Not empty
submodule.emplace_back(std::move(current));
}
SubModuleInfo controlOp;
controlOp.opList = {i};
controlOp.isBreak = true;
if (nullptr != op->inputIndexes()) {
controlOp.inputs.resize(op->inputIndexes()->size());
::memcpy(controlOp.inputs.data(), op->inputIndexes()->data(), controlOp.inputs.size() * sizeof(int));
}
if (nullptr != op->outputIndexes()) {
controlOp.outputs.resize(op->outputIndexes()->size());
::memcpy(controlOp.outputs.data(), op->outputIndexes()->data(), controlOp.outputs.size() * sizeof(int));
}
submodule.emplace_back(std::move(controlOp));
continue;
}
current.opList.emplace_back(i);
}
if (!current.opList.empty()) {
submodule.emplace_back(std::move(current));
}
submodule = _splitSubModuleForShapeConst(submodule, net, sharedConst);
for (int moduleIndex=0; moduleIndex < submodule.size(); ++moduleIndex) {
auto& m = submodule[moduleIndex];
// Compute input / output
if (!m.isBreak) {
_computeTensorMask(m, net);
for (int i=0; i<m.tensorMask.size(); ++i) {
if (0 == m.tensorMask[i]) {
continue;
}
if (1 == m.tensorMask[i]) {
if (noComputeIndexes.find(i) != noComputeIndexes.end()) {
continue;
}
m.inputs.emplace_back(i);
continue;
}
if (2 == m.tensorMask[i]) {
m.outputs.emplace_back(i);
continue;
}
if (3 == m.tensorMask[i]) {
if (outputIndexes.find(i) != outputIndexes.end()) {
m.outputs.emplace_back(i);
}
}
}
}
// Check if the module's input is valid
for (int i=0; i<m.inputs.size(); ++i) {
auto index = m.inputs[i];
if (inputIndexes.find(index) != inputIndexes.end()) {
continue;
}
if (noComputeIndexes.find(index) != noComputeIndexes.end()) {
continue;
}
bool find = false;
for (int sub=0; sub < moduleIndex; ++sub) {
for (auto out : submodule[sub].outputs) {
if (out == index) {
find = true;
break;
}
}
if (find) {
break;
}
}
if (find) {
continue;
}
// Find from module
for (int sub=0; sub < moduleIndex; ++sub) {
if (submodule[sub].tensorMask.empty()) {
continue;
}
if (submodule[sub].tensorMask[index] == 2) {
find = true;
break;
}
if (submodule[sub].tensorMask[index] == 3) {
submodule[sub].outputs.emplace_back(index);
submodule[sub].tensorMask[index] = 2;
find = true;
break;
}
}
if (!find) {
if (net->tensorName() != nullptr) {
MNN_PRINT("%d tensor [ %s ] is input but not found\n", index, net->tensorName()->GetAsString(index)->c_str());
}
}
MNN_ASSERT(find);
}
}
for (auto& m : submodule) {
m.tensorMask.clear();
}
return submodule;
}
struct ModuleRuntimeConfig {
bool needGeometry;
std::shared_ptr<Executor::RuntimeManager> rt;
Backend::Info compute;
const BackendConfig* userConfig = nullptr;
Session::ModeGroup modes;
std::string externalFile;
};
static Module* _createSubModule(std::shared_ptr<BufferStorage> bufferStorage, const SubModuleInfo& info, const std::map<std::string, SubGraph>& subs, std::shared_ptr<Schedule::ScheduleInfo> sharedConst, const Module::Config& config, const ModuleRuntimeConfig& runtimeConfig) {
auto net = flatbuffers::GetRoot<Net>(bufferStorage->buffer());
if (1 == info.opList.size()) {
auto op = net->oplists()->GetAs<Op>(info.opList[0]);
if (OpType_If == op->type()) {
return IfModule::create(op, subs);
}
if (OpType_While == op->type() && op->main_type() != OpParameter_LoopParam) {
return WhileModule::create(op, subs);
}
if (OpType_NonMaxSuppressionV2 == op->type()) {
return NMSModule::create(op);
}
// MNN_ASSERT(false);
}
Schedule::ScheduleInfo scheduleInfo;
scheduleInfo.externalWeightPath = runtimeConfig.externalFile;
scheduleInfo.defaultBackend = sharedConst->defaultBackend;
scheduleInfo.constReplaceBackend = sharedConst->constReplaceBackend;
scheduleInfo.allTensors = sharedConst->allTensors;
scheduleInfo.validForResize = initTensors(scheduleInfo.allTensors, net, info.opList.data(), info.opList.size());
std::vector<Schedule::OpCacheInfo> oplists;
std::vector<const Op*> ops;
ops.reserve(info.opList.size());
for (auto opIndex : info.opList) {
ops.emplace_back(net->oplists()->GetAs<Op>(opIndex));
}
initPipelineInfosFromOps(oplists, ops, scheduleInfo.allTensors);
int breakIndex = GeometryComputerUtils::buildConstantTensors(oplists);
if (breakIndex >= 0) {
scheduleInfo.needInputContentForShape = true;
}
auto rt = runtimeConfig.rt;
auto modes = runtimeConfig.modes;
Schedule::BackendCache bnCache;
Backend::Info compute = runtimeConfig.compute;
if (nullptr != runtimeConfig.userConfig) {
bnCache.config = *runtimeConfig.userConfig;
compute.user = &bnCache.config;
} else {
compute.user = nullptr;
}
bnCache.info = std::move(compute);
bnCache.needComputeGeometry = runtimeConfig.needGeometry;
scheduleInfo.pipelineInfo.emplace_back(std::make_pair(std::move(bnCache), std::move(oplists)));
std::vector<std::shared_ptr<BufferStorage>> buffers = {bufferStorage};
return new StaticModule(info.inputs, info.outputs, std::move(buffers), std::move(scheduleInfo), sharedConst, std::move(modes), std::move(rt), config);
}
Module* PipelineModule::load(const std::vector<std::string>& inputs, const std::vector<std::string>& outputs, const uint8_t* buffer, size_t length, const std::shared_ptr<MNN::Express::Executor::RuntimeManager> rtMgr, const Module::Config* config) {
// Create Subgraph
auto net = GetNet(buffer);
if (nullptr == net->oplists() || nullptr == net->tensorName()) {
MNN_ERROR("Invalid net, for null oplist or tensorName\n");
return nullptr;
}
Module::Config defaultConfig;
if (nullptr == config) {
config = &defaultConfig;
}
auto subGraphs = net->subgraphs();
if (config->dynamic) {
// TODO: Support subgraph
if (nullptr == subGraphs) {
auto varMap = MNN::Express::Variable::loadMap(buffer, length);
std::vector<MNN::Express::VARP> inputsVar(inputs.size());
for (int i=0; i<inputs.size(); ++i) {
inputsVar[i] = varMap[inputs[i]];
}
std::vector<MNN::Express::VARP> outputsVar(outputs.size());
for (int i=0; i<outputs.size(); ++i) {
outputsVar[i] = varMap[outputs[i]];
}
return extract(inputsVar, outputsVar, false);
} else {
MNN_ERROR("Don't support subgraph for dynamic load, turn back to static load\n");
}
}
std::map<std::string, SubGraph> subGraphMap;
_createSubGraph(net, rtMgr, config, subGraphMap);
std::shared_ptr<BufferStorage> bufferStorage(new BufferStorage);
bufferStorage->storage = new uint8_t[length];
::memcpy(bufferStorage->storage, buffer, length);
bufferStorage->offset = 0;
bufferStorage->allocated_size = length;
return load(inputs, outputs, bufferStorage, rtMgr, config, subGraphMap);
}
Module* PipelineModule::load(const std::vector<std::string>& inputs, const std::vector<std::string>& outputs, std::shared_ptr<BufferStorage> bufferStorage, std::shared_ptr<MNN::Express::Executor::RuntimeManager> rtMgr, const Module::Config* config, std::map<std::string, SubGraph>& subGraphMap) {
MNN_ASSERT(nullptr != rtMgr);
MNN_ASSERT(nullptr != config);
std::shared_ptr<Schedule::ScheduleInfo> sharedConst;
auto buffer = bufferStorage->buffer();
auto length = bufferStorage->size();
auto net = GetNet(buffer);
bool needGeometry = net->usage() != Usage_INFERENCE_STATIC;
// Extra Const Tensors
sharedConst.reset(new Schedule::ScheduleInfo);
auto curExe = ExecutorScope::Current();
bool preReplaceConstTensor = true;
std::shared_ptr<ModuleRuntimeConfig> modRuntimeCfgPtr(new ModuleRuntimeConfig);
if (!rtMgr->getInside()->mContent->mExternalFile.empty()) {
modRuntimeCfgPtr->externalFile = rtMgr->getInside()->mContent->mExternalFile;
}
if (rtMgr->getInside()->mContent->modes.codegenMode == Interpreter::Session_Codegen_Enable || (!config->shapeMutable)) {
preReplaceConstTensor = false;
}
std::shared_ptr<Backend> defaultBackend = curExe->getAttr()->constantBackend;
std::vector<std::shared_ptr<Tensor>> allTensors;
sharedConst->allTensors.resize(net->tensorName()->size());
sharedConst->defaultBackend = defaultBackend;
ModuleRuntimeConfig& modRuntime = *modRuntimeCfgPtr;
modRuntime.needGeometry = needGeometry;
{
modRuntime.modes = rtMgr->getInside()->mContent->modes;
modRuntime.rt = rtMgr;
rtMgr->getInside()->mRuntime.first.begin()->second->setRuntimeHint(rtMgr->getInside()->mContent->modes.runtimeHint);
modRuntime.externalFile = rtMgr->getInside()->mContent->mExternalFile;
modRuntime.userConfig = &rtMgr->getInside()->mContent->mConfig;
modRuntime.compute.type = rtMgr->getInside()->mRuntime.first.begin()->first;
}
auto& rt = modRuntime.rt->getInside()->mRuntime;
auto firstRt = rt.first.find(modRuntime.compute.type)->second;
sharedConst->constReplaceBackend.reset(firstRt->onCreate(modRuntime.userConfig));
ErrorCode code = NO_ERROR;
std::set<int> noneedComputeIndexes;
{
FileLoader fileLoader(modRuntimeCfgPtr->externalFile.c_str());
initConstTensors(sharedConst->allTensors, net, defaultBackend.get(), code, &fileLoader);
}
if (NO_ERROR != code) {
MNN_ERROR("Alloc memory for const tensor error\n");
return nullptr;
}
for (int i=0; i<sharedConst->allTensors.size(); ++i) {
if (sharedConst->allTensors[i].get() != nullptr) {
noneedComputeIndexes.insert(i);
}
}
std::map<int, VARP> initVars;
std::set<int> inputIndexes;
std::set<int> outputIndexes;
std::map<int, int> stackMap;
std::map<std::string, int> outputIndexesMap;
for (int i=0; i<net->tensorName()->size(); ++i) {
auto tname = net->tensorName()->GetAsString(i)->str();
for (int j=0; j<inputs.size(); ++j) {
if (tname == inputs[j]) {
inputIndexes.emplace(i);
stackMap.insert(std::make_pair(i, j));
break;
}
}
for (int j=0; j<outputs.size(); ++j) {
if (tname == outputs[j]) {
outputIndexes.emplace(i);
outputIndexesMap.insert(std::make_pair(tname, i));
break;
}
}
}
if (outputIndexesMap.size() != outputs.size()) {
MNN_ERROR("PipelineModule:: Can't find enough output from the model, finded is:\n");
for (auto& iter : outputIndexesMap) {
MNN_ERROR("[ %s ] ", iter.first.c_str());
}
MNN_ERROR("\n");
return nullptr;
}
auto subModulesInfo = _createSubModuleInfo(bufferStorage, inputIndexes, outputIndexes, noneedComputeIndexes, sharedConst);
std::vector<std::shared_ptr<Module>> subModules(subModulesInfo.size());
for (int i=0; i<subModulesInfo.size(); ++i) {
subModules[i].reset(_createSubModule(bufferStorage, subModulesInfo[i], subGraphMap, sharedConst, *config, modRuntime));
}
if (preReplaceConstTensor) {
// Prereplace const tensor
auto curBackend = sharedConst->constReplaceBackend.get();
if (sharedConst->constReplaceBackend->type() != sharedConst->defaultBackend->type()) {
for (auto& t : sharedConst->allTensors) {
if (nullptr == t.get()) {
continue;
}
auto des = TensorUtils::getDescribe(t.get());
if (des->isMutable) {
continue;
}
if (!WrapExecution::needWrap(t.get(), curBackend)) {
continue;
}
if (des->stageMask & Tensor::InsideDescribe::GEOMETRY_STAGE) {
continue;
}
if (des->stageMask & Tensor::InsideDescribe::CONVERTED_STAGE) {
continue;
}
std::shared_ptr<Tensor> wrapTensor = WrapExecution::makeCopyTensor(t.get(), curBackend);
auto outDes = TensorUtils::getDescribe(wrapTensor.get());
outDes->usage = des->usage;
auto tempRes = WrapExecution::allocAndCopy(curBackend, t.get(), wrapTensor.get());
if (!tempRes) {
continue;
}
outDes->stageMask |= Tensor::InsideDescribe::CONVERTED_STAGE;
WrapExecution::copyReplaceTensor(wrapTensor.get(), t.get());
}
}
// Clear CPU Const memory
rt.second->onGabageCollect(0);
}
for (auto index : noneedComputeIndexes) {
auto tensor = Tensor::clone(sharedConst->allTensors[index].get());
auto constVar = Variable::create(Expr::create(tensor, true));
initVars.insert(std::make_pair(index, constVar));
}
auto result = new PipelineModule;
result->mInputSize = inputs.size();
/**
Compute:
std::vector<std::tuple<std::shared_ptr<Module>, std::vector<int>, std::vector<int>>> mSubModules;
std::vector<int> mInputIndexes;
std::vector<int> mOutputIndexes;
int mStackSize = 0;
*/
// Make Stack, first: origin, second: new
int stackIndex = result->mInputSize;
for (auto& p : initVars) {
stackMap.insert(std::make_pair(p.first, stackIndex));
result->mInitVars.emplace_back(p.second);
stackIndex++;
}
for (auto& m : subModulesInfo) {
for (auto index : m.inputs) {
if (stackMap.find(index) == stackMap.end()) {
stackMap.insert(std::make_pair(index, stackIndex));
stackIndex++;
}
}
for (auto index : m.outputs) {
if (stackMap.find(index) == stackMap.end()) {
stackMap.insert(std::make_pair(index, stackIndex));
stackIndex++;
}
}
}
result->mOutputIndex.resize(outputs.size());
for (int i=0; i<outputs.size(); ++i) {
auto index = outputIndexesMap[outputs[i]];
MNN_ASSERT(stackMap.find(index) != stackMap.end());
auto stackI = stackMap[index];
result->mOutputIndex[i] = stackI;
}
result->mStackSize = stackIndex;
MNN_ASSERT(result->mStackSize > 0);
for (int i=0; i<subModulesInfo.size(); ++i) {
auto& info = subModulesInfo[i];
// Reindex stack index
std::vector<int> subInputs(info.inputs.size());
for (int i=0; i<info.inputs.size(); ++i) {
subInputs[i] = stackMap[info.inputs[i]];
}
std::vector<int> subOutputs(info.outputs.size());
for (int i=0; i<info.outputs.size(); ++i) {
subOutputs[i] = stackMap[info.outputs[i]];
}
result->mSubModules.emplace_back(std::make_tuple(subModules[i], subInputs, subOutputs));
}
result->registerModel(subModules);
result->mSharedConst = sharedConst;
return result;
}
Module* PipelineModule::clone(CloneContext* ctx) const {
PipelineModule* module(new PipelineModule);
for (const auto& it : mSubModules) {
const std::shared_ptr<Module>& submodule = std::get<0>(it);
const std::vector<int>& input_indices = std::get<1>(it);
const std::vector<int>& output_indices = std::get<2>(it);
std::shared_ptr<Module> replica_submodule(submodule->clone(ctx));
module->mSubModules.push_back(
std::make_tuple(replica_submodule, input_indices, output_indices));
module->registerModel({replica_submodule});
}
module->mInputSize = mInputSize;
module->mOutputIndex = mOutputIndex;
module->mStackSize = mStackSize;
module->mInitVars = mInitVars;
module->mSharedConst = mSharedConst;
return this->cloneBaseTo(ctx, module);
}
} // namespace Express
} // namespace MNN