blob: d5a887baf760d55a84c0afaa843a45ed16dbf71a [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "ExecutionBuilder"
#include "ExecutionBuilder.h"
#include <algorithm>
#include <memory>
#include <mutex>
#include <optional>
#include <string>
#include <thread>
#include <utility>
#include <vector>
#include "CompilationBuilder.h"
#include "CpuExecutor.h"
#include "ExecutionBurstController.h"
#include "HalInterfaces.h"
#include "Manager.h"
#include "ModelArgumentInfo.h"
#include "ModelBuilder.h"
#include "Tracing.h"
#include "TypeManager.h"
#include "Utils.h"
namespace android {
namespace nn {
using namespace hal;
const Timing kNoTiming = {.timeOnDevice = UINT64_MAX, .timeInDriver = UINT64_MAX};
static MeasureTiming measureTiming(const ExecutionBuilder* execution) {
return execution->measureTiming() ? MeasureTiming::YES : MeasureTiming::NO;
}
static bool checkDimensionInfo(const Operand& operand, const ANeuralNetworksOperandType* newType,
const char* tag, bool allowUnspecified) {
if (newType != nullptr) {
const Extension::OperandTypeInformation* info = nullptr;
if (isExtensionOperandType(operand.type)) {
NN_RET_CHECK(TypeManager::get()->getExtensionOperandTypeInfo(operand.type, &info));
}
if (validateOperandType(*newType, info, tag, allowUnspecified) !=
ANEURALNETWORKS_NO_ERROR) {
LOG(ERROR) << tag << ": Invalid newType";
return false;
}
if (operand.dimensions.size() == 0) {
return true;
}
if (operand.dimensions.size() != newType->dimensionCount) {
LOG(ERROR) << tag << ": Setting with incompatible dimension count";
return false;
}
for (uint32_t i = 0; i < newType->dimensionCount; i++) {
if (operand.dimensions[i] != newType->dimensions[i] && operand.dimensions[i] != 0) {
LOG(ERROR) << tag << ": Overriding a fully specified dimension is disallowed";
return false;
}
}
} else {
if (!allowUnspecified && TypeManager::get()->isTensorType(operand.type) &&
tensorHasUnspecifiedDimensions(operand)) {
LOG(ERROR) << tag << ": Setting with operand type that is not fully specified";
return false;
}
}
return true;
}
ExecutionBuilder::ExecutionBuilder(const CompilationBuilder* compilation)
: mCompilation(compilation),
mModel(compilation->mModel),
mPlan(&compilation->mPlan),
mPartitioning(compilation->mPartitioning),
mInputs(mModel->inputCount()),
mOutputs(mModel->outputCount()) {
VLOG(EXECUTION) << "ExecutionBuilder::ExecutionBuilder";
}
int ExecutionBuilder::setInput(uint32_t index, const ANeuralNetworksOperandType* type,
const void* buffer, size_t length) {
if (mStarted) {
LOG(ERROR) << "ANeuralNetworksExecution_setInput called after the "
"execution has started.";
return ANEURALNETWORKS_BAD_STATE;
}
uint32_t count = static_cast<uint32_t>(mInputs.size());
if (index >= count) {
LOG(ERROR) << "ANeuralNetworksExecution_setInput bad index " << index << " " << count;
return ANEURALNETWORKS_BAD_DATA;
}
if (!checkDimensionInfo(mModel->getInputOperand(index), type,
"ANeuralNetworksExecution_setInput", buffer == nullptr)) {
return ANEURALNETWORKS_BAD_DATA;
}
if (length > 0xFFFFFFFF) {
LOG(ERROR) << "ANeuralNetworksExecution_setInput input exceeds max length " << length;
return ANEURALNETWORKS_BAD_DATA;
}
uint32_t l = static_cast<uint32_t>(length);
return mInputs[index].setFromPointer(mModel->getInputOperand(index), type,
const_cast<void*>(buffer), l);
}
int ExecutionBuilder::setInputFromMemory(uint32_t index, const ANeuralNetworksOperandType* type,
const Memory* memory, size_t offset, size_t length) {
// Should be similar to StepExecutor::setInputOrOutputFromTemporaryMemory()
if (mStarted) {
LOG(ERROR) << "ANeuralNetworksExecution_setInputFromMemory called after the "
"execution has started.";
return ANEURALNETWORKS_BAD_STATE;
}
uint32_t count = static_cast<uint32_t>(mInputs.size());
if (index >= count) {
LOG(ERROR) << "ANeuralNetworksExecution_setInputFromMemory bad index " << index << " "
<< count;
return ANEURALNETWORKS_BAD_DATA;
}
if (!checkDimensionInfo(mModel->getInputOperand(index), type,
"ANeuralNetworksExecution_setInputFromMemory", false)) {
return ANEURALNETWORKS_BAD_DATA;
}
// Both offset & length must be zero for Non-BLOB format AHardwareBuffer.
if (memory->getHidlMemory().name() == "hardware_buffer" && (offset != 0 || length != 0)) {
LOG(ERROR) << "ANeuralNetworksExecution_setInputFromMemory has non-zero offset and length"
<< " for Non-BLOB format AHardwareBuffer.";
return ANEURALNETWORKS_BAD_DATA;
} else if (!memory->validateSize(offset, length)) {
return ANEURALNETWORKS_BAD_DATA;
}
// TODO validate the rest
uint32_t poolIndex = mMemories.add(memory);
return mInputs[index].setFromMemory(mModel->getInputOperand(index), type, poolIndex, offset,
length);
}
int ExecutionBuilder::setOutput(uint32_t index, const ANeuralNetworksOperandType* type,
void* buffer, size_t length) {
if (mStarted) {
LOG(ERROR) << "ANeuralNetworksExecution_setOutput called after the "
"execution has started.";
return ANEURALNETWORKS_BAD_STATE;
}
uint32_t count = static_cast<uint32_t>(mOutputs.size());
if (index >= count) {
LOG(ERROR) << "ANeuralNetworksExecution_setOutput bad index " << index << " " << count;
return ANEURALNETWORKS_BAD_DATA;
}
if (!checkDimensionInfo(mModel->getOutputOperand(index), type,
"ANeuralNetworksExecution_setOutput", true)) {
return ANEURALNETWORKS_BAD_DATA;
}
if (length > 0xFFFFFFFF) {
LOG(ERROR) << "ANeuralNetworksExecution_setOutput input exceeds max length " << length;
return ANEURALNETWORKS_BAD_DATA;
}
uint32_t l = static_cast<uint32_t>(length);
return mOutputs[index].setFromPointer(mModel->getOutputOperand(index), type, buffer, l);
}
int ExecutionBuilder::setOutputFromMemory(uint32_t index, const ANeuralNetworksOperandType* type,
const Memory* memory, size_t offset, size_t length) {
// Should be similar to StepExecutor::setInputOrOutputFromTemporaryMemory()
if (mStarted) {
LOG(ERROR) << "ANeuralNetworksExecution_setOutputFromMemory called after the "
"execution has started.";
return ANEURALNETWORKS_BAD_STATE;
}
uint32_t count = static_cast<uint32_t>(mOutputs.size());
if (index >= count) {
LOG(ERROR) << "ANeuralNetworksExecution_setOutputFromMemory bad index " << index << " "
<< count;
return ANEURALNETWORKS_BAD_DATA;
}
if (!checkDimensionInfo(mModel->getOutputOperand(index), type,
"ANeuralNetworksExecution_setOutputFromMemory", true)) {
return ANEURALNETWORKS_BAD_DATA;
}
// Both offset & length must be zero for Non-BLOB format AHardwareBuffer.
if (memory->getHidlMemory().name() == "hardware_buffer" && (offset != 0 || length != 0)) {
LOG(ERROR) << "ANeuralNetworksExecution_setOutputFromMemory has non-zero offset and length"
<< " for Non-BLOB format AHardwareBuffer.";
return ANEURALNETWORKS_BAD_DATA;
} else if (!memory->validateSize(offset, length)) {
return ANEURALNETWORKS_BAD_DATA;
}
// TODO validate the rest
uint32_t poolIndex = mMemories.add(memory);
return mOutputs[index].setFromMemory(mModel->getOutputOperand(index), type, poolIndex, offset,
length);
}
int ExecutionBuilder::setMeasureTiming(bool measure) {
if (!mCompilation->mExplicitDeviceList || (mCompilation->mDevices.size() != 1)) {
LOG(ERROR) << "ANeuralNetworksExecution_setMeasureTiming called on "
<< "an ANeuralNetworksExecution created from an ANeuralNetworksCompilation "
<< "that was not created by ANeuralNetworksCompilation_createForDevices "
<< "with numDevices = 1";
return ANEURALNETWORKS_BAD_DATA;
}
if (mStarted) {
LOG(ERROR) << "ANeuralNetworksExecution_setMeasureTiming called after the "
"execution has started.";
return ANEURALNETWORKS_BAD_STATE;
}
mMeasureTiming = measure;
return ANEURALNETWORKS_NO_ERROR;
}
int ExecutionBuilder::getDuration(int32_t durationCode, uint64_t* duration) const {
if (!mFinished) {
LOG(ERROR) << "ANeuralNetworksExecution_getDuration called before the "
"execution has finished.";
return ANEURALNETWORKS_BAD_STATE;
}
// NOTE: At the HAL level, timing is in microseconds. At the NDK level, nanoseconds.
const uint64_t kNanoPerMicro = 1000;
if (!mMeasureTiming) {
*duration = UINT64_MAX;
return ANEURALNETWORKS_BAD_STATE;
}
uint64_t microDuration = UINT64_MAX;
switch (durationCode) {
case ANEURALNETWORKS_DURATION_ON_HARDWARE:
microDuration = mTiming.timeOnDevice;
break;
case ANEURALNETWORKS_DURATION_IN_DRIVER:
microDuration = mTiming.timeInDriver;
break;
default:
CHECK(!"unexpected");
}
*duration = (microDuration == UINT64_MAX) ? UINT64_MAX : kNanoPerMicro * microDuration;
VLOG(EXECUTION) << "getDuration(" << durationCode << "): " << *duration;
return ANEURALNETWORKS_NO_ERROR;
}
int ExecutionBuilder::getOutputOperandDimensions(uint32_t index, uint32_t* dimensions) {
if (!mFinished) {
LOG(ERROR) << "ANeuralNetworksExecution_getOutputOperandDimensions called before the "
"execution has finished.";
return ANEURALNETWORKS_BAD_STATE;
}
uint32_t count = static_cast<uint32_t>(mOutputs.size());
if (index >= count) {
LOG(ERROR) << "ANeuralNetworksExecution_getOutputOperandDimensions bad index " << index
<< " " << count;
return ANEURALNETWORKS_BAD_DATA;
}
const auto& dims = mOutputs[index].dimensions;
if (dims.empty()) {
LOG(ERROR) << "ANeuralNetworksExecution_getOutputOperandDimensions can not query "
"dimensions of a scalar";
return ANEURALNETWORKS_BAD_DATA;
}
std::copy(dims.begin(), dims.end(), dimensions);
return mOutputs[index].isSufficient ? ANEURALNETWORKS_NO_ERROR
: ANEURALNETWORKS_OUTPUT_INSUFFICIENT_SIZE;
}
int ExecutionBuilder::getOutputOperandRank(uint32_t index, uint32_t* rank) {
if (!mFinished) {
LOG(ERROR) << "ANeuralNetworksExecution_getOutputOperandRank called before the "
"execution has finished.";
return ANEURALNETWORKS_BAD_STATE;
}
uint32_t count = static_cast<uint32_t>(mOutputs.size());
if (index >= count) {
LOG(ERROR) << "ANeuralNetworksExecution_getOutputOperandRank bad index " << index << " "
<< count;
return ANEURALNETWORKS_BAD_DATA;
}
*rank = static_cast<uint32_t>(mOutputs[index].dimensions.size());
return mOutputs[index].isSufficient ? ANEURALNETWORKS_NO_ERROR
: ANEURALNETWORKS_OUTPUT_INSUFFICIENT_SIZE;
}
// Attempt synchronous execution of full model on CPU.
// Ensure that executionCallback->notify() is called.
// TODO: How should we handle timing in this case?
// For Q this is irrelevant: We only support timing in conjunction
// with an explicit device list; and we do not support CPU fallback
// with an explicit device list. See CompilationBuilder::mExplicitDeviceList.
static void cpuFallbackFull(ExecutionBuilder* executionBuilder,
const sp<ExecutionCallback>& executionCallback) {
CHECK(executionBuilder != nullptr);
CHECK(executionCallback != nullptr);
NNTRACE_RT(NNTRACE_PHASE_EXECUTION, "cpuFallbackFull");
VLOG(EXECUTION) << "cpuFallbackFull";
StepExecutor executor(executionBuilder, executionBuilder->getModel(),
DeviceManager::getCpuDevice(), /*preparedModel=*/nullptr);
executor.mapInputsAndOutputsTrivially();
sp<ExecutionCallback> fallbackCallback;
int n = executor.startComputeOnCpuFallback(&fallbackCallback);
if (n != ANEURALNETWORKS_NO_ERROR) {
executionCallback->notify(convertResultCodeToErrorStatus(n), {}, kNoTiming);
return;
}
fallbackCallback->wait();
executionCallback->notify(fallbackCallback->getStatus(), fallbackCallback->getOutputShapes(),
fallbackCallback->getTiming());
}
// Attempt synchronous execution on CPU.
// (1) First, attempt to execute this step on CPU. If successful,
// return true. (Do not call executionCallback->notify().)
// (2) If unsuccessful, and the ExecutionPlan is compound, attempt to execute the
// full model on CPU, ensure that executionCallback->notify() is called, and return
// false.
// TODO: How should we handle timing in this case?
// For Q this is irrelevant: We only support timing in conjunction
// with an explicit device list; and we do not support CPU fallback
// with an explicit device list. See CompilationBuilder::mExplicitDeviceList.
static bool cpuFallbackPartial(ExecutionBuilder* executionBuilder, const ExecutionPlan* plan,
std::shared_ptr<ExecutionPlan::Controller> controller,
const sp<ExecutionCallback>& executionCallback,
std::vector<OutputShape>* outputShapes) {
CHECK(executionBuilder != nullptr);
CHECK(plan != nullptr);
CHECK(executionCallback != nullptr);
CHECK(outputShapes != nullptr);
NNTRACE_RT(NNTRACE_PHASE_EXECUTION, "cpuFallbackPartial");
VLOG(EXECUTION) << "cpuFallbackPartial";
std::shared_ptr<StepExecutor> executor;
int n = plan->fallback(controller, &executor);
if (n != ANEURALNETWORKS_NO_ERROR || executor->isCpu()) {
cpuFallbackFull(executionBuilder, executionCallback);
return false;
}
sp<ExecutionCallback> fallbackCallback;
if (executor->startComputeOnCpuFallback(&fallbackCallback) != ANEURALNETWORKS_NO_ERROR) {
cpuFallbackFull(executionBuilder, executionCallback);
return false;
}
fallbackCallback->wait();
ErrorStatus status = fallbackCallback->getStatus();
const auto& stepOutputShapes = fallbackCallback->getOutputShapes();
if (!executor->updateOutputShapes(stepOutputShapes, outputShapes)) {
status = ErrorStatus::GENERAL_FAILURE;
}
if (status != ErrorStatus::NONE) {
// Do not fallback twice if the ExecutionPlan is simple.
// OUTPUT_INSUFFICIENT_SIZE is not recoverable
if (plan->isSimple() || status == ErrorStatus::OUTPUT_INSUFFICIENT_SIZE) {
executionCallback->notify(status, *outputShapes, kNoTiming);
} else {
cpuFallbackFull(executionBuilder, executionCallback);
}
return false;
}
return true;
}
static void asyncStartComputePartitioned(ExecutionBuilder* executionBuilder,
const ExecutionPlan* plan,
std::shared_ptr<ExecutionPlan::Controller> controller,
bool allowFallback,
const sp<ExecutionCallback>& executionCallback) {
CHECK(executionBuilder != nullptr);
CHECK(plan != nullptr);
VLOG(EXECUTION) << "ExecutionBuilder::compute (from plan, iteratively)";
std::vector<OutputShape> outputShapes;
Timing timing = kNoTiming;
// Disallow fallback when the ExecutionPlan is simple on CPU.
allowFallback &= !plan->isSimpleCpu();
executionBuilder->initializeOutputShapes(&outputShapes);
while (true) {
std::shared_ptr<StepExecutor> executor;
VLOG(EXECUTION) << "looking for next StepExecutor";
std::shared_ptr<ExecutionBurstController> burstController = nullptr;
int n = plan->next(controller, &executor, &burstController);
if (n != ANEURALNETWORKS_NO_ERROR) {
if (allowFallback) {
cpuFallbackFull(executionBuilder, executionCallback);
} else {
executionCallback->notify(convertResultCodeToErrorStatus(n), {}, kNoTiming);
}
return;
}
if (executor == nullptr) {
executionCallback->notify(ErrorStatus::NONE, outputShapes, timing);
return;
}
sp<ExecutionCallback> stepCallback;
n = executor->startCompute(&stepCallback, burstController);
if (n != ANEURALNETWORKS_NO_ERROR) {
if (allowFallback) {
if (cpuFallbackPartial(executionBuilder, plan, controller, executionCallback,
&outputShapes)) {
// Successfully executed one step on CPU.
continue;
} else {
// Either successfully executed entire plan on
// CPU, or tried and failed to do so.
return;
}
} else {
executionCallback->notify(convertResultCodeToErrorStatus(n), {}, kNoTiming);
return;
}
}
stepCallback->wait();
ErrorStatus status = stepCallback->getStatus();
const auto& stepOutputShapes = stepCallback->getOutputShapes();
if (!executor->updateOutputShapes(stepOutputShapes, &outputShapes)) {
status = ErrorStatus::GENERAL_FAILURE;
}
if (status == ErrorStatus::NONE) {
// We only support collection of timing information in the case of a
// single step, so it's safe to just keep track of the last step's
// timing information.
timing = stepCallback->getTiming();
} else {
// OUTPUT_INSUFFICIENT_SIZE is not recoverable
if (allowFallback && status != ErrorStatus::OUTPUT_INSUFFICIENT_SIZE) {
if (cpuFallbackPartial(executionBuilder, plan, controller, executionCallback,
&outputShapes)) {
// Successfully executed one step on CPU.
continue;
} else {
// Either successfully executed entire plan on
// CPU, or tried and failed to do so.
return;
}
} else if (status == ErrorStatus::OUTPUT_INSUFFICIENT_SIZE) {
executionCallback->notify(status, outputShapes, kNoTiming);
return;
} else {
executionCallback->notify(status, {}, kNoTiming);
return;
}
}
}
}
int ExecutionBuilder::compute(sp<ExecutionCallback>* synchronizationCallback,
BurstBuilder* burstBuilder) {
CHECK(synchronizationCallback == nullptr || burstBuilder == nullptr)
<< "synchronizationCallback and burstBuilder cannot simultaneously be used";
const bool synchronous = (synchronizationCallback == nullptr);
if (!synchronous) {
*synchronizationCallback = nullptr;
}
// TODO validate that we have full types for all inputs and outputs,
// that the graph is not cyclic,
auto name = [synchronous, burstBuilder] {
return burstBuilder ? "burstCompute" : synchronous ? "compute" : "startCompute";
};
if (mStarted) {
LOG(ERROR) << "ANeuralNetworksExecution_" << name()
<< " called on an execution that has already started";
return ANEURALNETWORKS_BAD_STATE;
}
for (auto& p : mInputs) {
if (p.state == ModelArgumentInfo::UNSPECIFIED) {
LOG(ERROR) << "ANeuralNetworksExecution_" << name() << " not all inputs specified";
return ANEURALNETWORKS_BAD_DATA;
}
}
for (auto& p : mOutputs) {
if (p.state == ModelArgumentInfo::UNSPECIFIED) {
LOG(ERROR) << "ANeuralNetworksExecution_" << name() << " not all outputs specified";
return ANEURALNETWORKS_BAD_DATA;
}
}
auto wrappedFinish = [this](ErrorStatus error, const std::vector<OutputShape>& outputShapes) {
return finish(error, outputShapes);
};
// TODO: For asynchronous execution, entire plan-based-path should run in an
// asynchronous thread -- take the asynchronous thread logic out of
// CpuPreparedModel::execute() and use it to wrap the plan-based-path.
mStarted = true;
const bool allowFallback = DeviceManager::partitioningAllowsFallback(mPartitioning);
std::shared_ptr<ExecutionPlan::Controller> controller =
mPlan->makeController(this, burstBuilder);
if (synchronous) {
VLOG(EXECUTION) << "ExecutionBuilder::compute (synchronous API)";
sp<ExecutionCallback> localSynchronizationCallback = new ExecutionCallback();
localSynchronizationCallback->setOnFinish(wrappedFinish);
asyncStartComputePartitioned(this, mPlan, controller, allowFallback,
localSynchronizationCallback);
localSynchronizationCallback->wait();
if (mMeasureTiming) {
mTiming = localSynchronizationCallback->getTiming();
}
return convertErrorStatusToResultCode(localSynchronizationCallback->getStatus());
} else /* asynchronous */ {
// TODO: use a thread pool
// TODO(mikie): this could have NNTRACE so we could measure the overhead
// of spinning up a new thread.
// Prepare the callback for asynchronous execution.
// sp<ExecutionCallback> object is returned when the
// execution has been successfully launched, otherwise a
// nullptr is returned. The executionCallback is
// abstracted in the NN API as an "event".
sp<ExecutionCallback> executionCallback = new ExecutionCallback();
executionCallback->setOnFinish(wrappedFinish);
if (DeviceManager::get()->syncExecRuntime()) {
VLOG(EXECUTION) << "ExecutionBuilder::compute (asynchronous API, non-threaded)";
asyncStartComputePartitioned(this, mPlan, controller, allowFallback, executionCallback);
} else {
VLOG(EXECUTION) << "ExecutionBuilder::compute (asynchronous API)";
std::thread thread(asyncStartComputePartitioned, this, mPlan, controller, allowFallback,
executionCallback);
executionCallback->bindThread(std::move(thread));
}
*synchronizationCallback = executionCallback;
return ANEURALNETWORKS_NO_ERROR;
}
}
void ExecutionBuilder::initializeOutputShapes(std::vector<OutputShape>* outputShapes) const {
outputShapes->resize(mOutputs.size());
for (uint32_t i = 0; i < mOutputs.size(); i++) {
(*outputShapes)[i].dimensions = mOutputs[i].dimensions;
(*outputShapes)[i].isSufficient = true;
}
}
// Check if the dimensions "to" is updatable by dimensions "from", where "from" must
// have a higher specification level.
static bool isUpdatable(const std::vector<uint32_t>& to, const std::vector<uint32_t>& from) {
if (to.size() == 0) return true;
NN_RET_CHECK_EQ(to.size(), from.size());
for (uint32_t i = 0; i < to.size(); i++) {
NN_RET_CHECK(to[i] == from[i] || to[i] == 0);
}
return true;
}
bool ExecutionBuilder::updateOutputShapes(const std::vector<OutputShape>& outputShapes) {
if (outputShapes.size() == 0) {
return true;
}
NN_RET_CHECK_EQ(outputShapes.size(), mOutputs.size());
for (uint32_t i = 0; i < outputShapes.size(); i++) {
// Check if only unspecified dimensions or rank are overwritten.
NN_RET_CHECK(isUpdatable(mOutputs[i].dimensions, outputShapes[i].dimensions));
}
for (uint32_t i = 0; i < outputShapes.size(); i++) {
mOutputs[i].dimensions = outputShapes[i].dimensions;
mOutputs[i].isSufficient = outputShapes[i].isSufficient;
}
return true;
}
ErrorStatus ExecutionBuilder::finish(ErrorStatus, const std::vector<OutputShape>& outputShapes) {
CHECK(!mFinished) << "ExecutionBuilder::finish is called twice";
mFinished = true;
if (!updateOutputShapes(outputShapes)) {
return ErrorStatus::GENERAL_FAILURE;
}
return ErrorStatus::NONE;
}
bool StepExecutor::updateOutputShapes(const std::vector<OutputShape>& from,
std::vector<OutputShape>* to) {
if (from.size() == 0) {
return true;
}
if (mExecutionStep != nullptr) {
const auto& indexMapping = mExecutionStep->getOutputIndexSubModelToFromModel();
NN_RET_CHECK_LE(indexMapping.size(), from.size());
for (uint32_t i = 0, e = indexMapping.size(); i < e; i++) {
uint32_t toIndex = indexMapping[i];
NN_RET_CHECK_GT(to->size(), toIndex);
NN_RET_CHECK(isUpdatable(to->at(toIndex).dimensions, from[i].dimensions));
(*to)[toIndex] = from[i];
}
} else {
NN_RET_CHECK_EQ(from.size(), to->size());
for (uint32_t i = 0, e = from.size(); i < e; i++) {
NN_RET_CHECK(isUpdatable(to->at(i).dimensions, from[i].dimensions));
(*to)[i] = from[i];
}
}
return true;
}
StepExecutor::StepExecutor(ExecutionBuilder* executionBuilder, const ModelBuilder* model,
std::shared_ptr<Device> device,
std::shared_ptr<PreparedModel> preparedModel)
: mExecutionBuilder(executionBuilder),
mModel(model),
mDevice(device),
mPreparedModel(preparedModel),
mInputs(model->inputCount()),
mOutputs(model->outputCount()) {
CHECK(mDevice != nullptr);
}
void StepExecutor::mapInputsAndOutputsTrivially() {
mInputs = mExecutionBuilder->mInputs;
mOutputs = mExecutionBuilder->mOutputs;
mMemories = mExecutionBuilder->mMemories;
}
void StepExecutor::mapInputOrOutput(const ModelArgumentInfo& builderInputOrOutput,
ModelArgumentInfo* executorInputOrOutput) {
*executorInputOrOutput = builderInputOrOutput;
switch (executorInputOrOutput->state) {
default:
nnAssert(!"unexpected ModelArgumentInfo::state");
break;
case ModelArgumentInfo::HAS_NO_VALUE:
case ModelArgumentInfo::POINTER:
case ModelArgumentInfo::UNSPECIFIED:
break;
case ModelArgumentInfo::MEMORY: {
const uint32_t builderPoolIndex = builderInputOrOutput.locationAndLength.poolIndex;
const Memory* memory = mExecutionBuilder->mMemories[builderPoolIndex];
const uint32_t executorPoolIndex = mMemories.add(memory);
executorInputOrOutput->locationAndLength.poolIndex = executorPoolIndex;
break;
}
}
}
int StepExecutor::setInputOrOutputFromTemporaryMemory(const Operand& inputOrOutputOperand,
const Memory* memory, uint32_t offset,
ModelArgumentInfo* inputOrOutputInfo) {
// Should be similar to
// ExecutionBuilder::setInputFromMemory()
// ExecutionBuilder::setOutputFromMemory()
uint32_t poolIndex = mMemories.add(memory);
uint32_t length = TypeManager::get()->getSizeOfData(inputOrOutputOperand);
return inputOrOutputInfo->setFromTemporaryMemory(inputOrOutputOperand, poolIndex, offset,
length);
}
static void logArguments(const char* kind, const std::vector<ModelArgumentInfo>& args) {
for (unsigned i = 0; i < args.size(); i++) {
const auto& arg = args[i];
std::string prefix = kind + std::string("[") + std::to_string(i) + "] = ";
switch (arg.state) {
case ModelArgumentInfo::POINTER:
VLOG(EXECUTION) << prefix << "POINTER(" << SHOW_IF_DEBUG(arg.buffer) << ")";
break;
case ModelArgumentInfo::MEMORY:
VLOG(EXECUTION) << prefix << "MEMORY("
<< "pool=" << arg.locationAndLength.poolIndex << ", "
<< "off=" << arg.locationAndLength.offset << ")";
break;
case ModelArgumentInfo::HAS_NO_VALUE:
VLOG(EXECUTION) << prefix << "HAS_NO_VALUE";
break;
case ModelArgumentInfo::UNSPECIFIED:
VLOG(EXECUTION) << prefix << "UNSPECIFIED";
break;
default:
VLOG(EXECUTION) << prefix << "state(" << arg.state << ")";
break;
}
}
}
bool StepExecutor::isCpu() const {
return mDevice == DeviceManager::getCpuDevice();
}
int StepExecutor::startCompute(sp<ExecutionCallback>* synchronizationCallback,
const std::shared_ptr<ExecutionBurstController>& burstController) {
CHECK(mPreparedModel != nullptr);
CHECK(synchronizationCallback != nullptr);
*synchronizationCallback = nullptr;
if (VLOG_IS_ON(EXECUTION)) {
logArguments("input", mInputs);
logArguments("output", mOutputs);
}
const MeasureTiming measure = measureTiming(mExecutionBuilder);
const auto [n, outputShapes, timing] =
mPreparedModel->execute(mInputs, mOutputs, mMemories, burstController, measure);
mExecutionBuilder->reportTiming(timing);
if (n != ANEURALNETWORKS_NO_ERROR && n != ANEURALNETWORKS_OUTPUT_INSUFFICIENT_SIZE) {
return n;
}
const ErrorStatus status = convertResultCodeToErrorStatus(n);
*synchronizationCallback = new ExecutionCallback();
(*synchronizationCallback)->notify_1_2(status, outputShapes, timing);
return ANEURALNETWORKS_NO_ERROR;
}
// For cpuFallback{Partial,Full}, recompile the model on CPU and then start compute.
int StepExecutor::startComputeOnCpuFallback(sp<ExecutionCallback>* synchronizationCallback) {
NNTRACE_RT(NNTRACE_PHASE_EXECUTION, "StepExecutor::startComputeOnCpuFallback");
VLOG(EXECUTION) << "Re-compile the model on CPU";
const Model model = mModel->makeHidlModel();
mDevice = DeviceManager::getCpuDevice();
mPreparedModel = nullptr;
// TODO: Propagate user preference to this point instead of using default value of
// ANEURALNETWORKS_PREFER_FAST_SINGLE_ANSWER.
const ExecutionPreference preference =
static_cast<ExecutionPreference>(ANEURALNETWORKS_PREFER_FAST_SINGLE_ANSWER);
const auto [n, preparedModel] = mDevice->prepareModel(model, preference, {}, {});
mPreparedModel = preparedModel;
NN_RETURN_IF_ERROR(n);
return startCompute(synchronizationCallback, /*burstController=*/nullptr);
}
} // namespace nn
} // namespace android