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// Copyright (C) 2018 Intel Corporation
//
// SPDX-License-Identifier: Apache-2.0
//
#include "hetero_infer_request.h"
#include <ie_blob.h>
#include <ie_plugin.hpp>
#include <ie_util_internal.hpp>
#include <description_buffer.hpp>
#include <debug.h>
#include <ie_layouts.h>
#include <assert.h>
#include "ie_profiling.hpp"
using namespace HeteroPlugin;
using namespace InferenceEngine;
HeteroInferRequest::HeteroInferRequest(InferenceEngine::InputsDataMap networkInputs,
InferenceEngine::OutputsDataMap networkOutputs,
const SubRequestsList &inferRequests) :
InferRequestInternal(networkInputs, networkOutputs),
_inferRequests(inferRequests) {
if (_networkOutputs.empty() || _networkInputs.empty()) {
THROW_IE_EXCEPTION << "Internal error: no information about network's output/input";
}
auto requestBlob([&](const std::string &e, InferenceEngine::InferRequest::Ptr r) {
if (networkInputs.find(e) != networkInputs.end()) {
if (_blobs.find(e) != _blobs.end()) {
r->SetBlob(e.c_str(), _blobs[e]);
} else {
_blobs[e] = r->GetBlob(e.c_str());
_inputs[e] = _blobs[e];
}
} else if (networkOutputs.find(e) != networkOutputs.end()) {
if (_blobs.find(e) != _blobs.end()) {
r->SetBlob(e.c_str(), _blobs[e]);
} else {
_blobs[e] = r->GetBlob(e.c_str());
_outputs[e] = _blobs[e];
}
} else {
if (_blobs.find(e) != _blobs.end()) {
r->SetBlob(e.c_str(), _blobs[e]);
} else {
_blobs[e] = r->GetBlob(e.c_str());
}
}
});
// go over all subnet and create requests
for (auto &&ireq : _inferRequests) {
ireq._request = ireq._network->CreateInferRequestPtr();
// go over all inputs and get blobs from subnet infer requests
for (auto e : ireq._oNames) {
requestBlob(e, ireq._request);
}
}
// go over all outputs and get blobs from subnet infer requests
for (auto r : _inferRequests) {
for (auto e : r._iNames) {
requestBlob(e, r._request);
}
}
}
void HeteroInferRequest::InferImpl() {
updateInOutIfNeeded();
size_t i = 0;
for (auto &&desc : _inferRequests) {
IE_PROFILING_AUTO_SCOPE_TASK(desc._profilingTask);
auto &r = desc._request;
assert(nullptr != r);
r->Infer();
}
}
void HeteroInferRequest::GetPerformanceCounts(std::map<std::string, InferenceEngineProfileInfo> &perfMap) const {
perfMap.clear();
for (size_t i = 0; i < _inferRequests.size(); i++) {
auto perfMapRequest = _inferRequests[i]._request->GetPerformanceCounts();
for (auto &&r : perfMapRequest) {
perfMap[std::string("subgraph") + std::to_string(i) + ": " + r.first] = r.second;
}
}
}
void HeteroInferRequest::updateInOutIfNeeded() {
IE_PROFILING_AUTO_SCOPE(updateInOutIfNeeded);
assert(!_inferRequests.empty());
for (auto &&desc : _inferRequests) {
auto &r = desc._request;
assert(nullptr != r);
for (auto &&ioname : desc._iNames) {
auto iti = _inputs.find(ioname);
if (iti != _inputs.end()) {
auto it = _preProcData.find(ioname);
if (it != _preProcData.end()) {
if (it->second.getRoiBlob() != _blobs[ioname]) {
r->SetBlob(ioname.c_str(), it->second.getRoiBlob());
_blobs[ioname] = iti->second;
}
} else {
if (iti->second != _blobs[ioname]) {
r->SetBlob(ioname.c_str(), iti->second);
_blobs[ioname] = iti->second;
}
}
}
}
for (auto &&ioname : desc._oNames) {
auto ito = _outputs.find(ioname);
if (ito != _outputs.end()) {
if (ito->second != _blobs[ioname]) {
r->SetBlob(ioname.c_str(), ito->second);
_blobs[ioname] = ito->second;
}
}
}
}
}
void HeteroInferRequest::startFirstAsyncRequest() {
auto firstAsyncRequest = _inferRequests.begin()->_request;
firstAsyncRequest->StartAsync();
}
void HeteroInferRequest::setCallbackForLastRequest(std::function<void(InferenceEngine::InferRequest, InferenceEngine::StatusCode)>& callback) {
auto lastRequest = _inferRequests.back()._request;
if (lastRequest) lastRequest->SetCompletionCallback(callback);
}
void HeteroInferRequest::setCallbackSequence() {
for (auto desc = _inferRequests.begin(); desc != _inferRequests.end(); desc++) {
auto ¤tAsyncRequest = desc->_request;
auto nextRequestDesc = std::next(desc);
if (nextRequestDesc != _inferRequests.end()) {
currentAsyncRequest->SetCompletionCallback<std::function<void(InferRequest, StatusCode)>>(
[=](InferRequest request, StatusCode sts) {
IE_PROFILING_AUTO_SCOPE(Callback)
if (sts == OK) {
nextRequestDesc->_request->StartAsync();
}
});
}
}
}
StatusCode HeteroInferRequest::waitAllRequests(int64_t millis_timeout) {
StatusCode status = INFER_NOT_STARTED;
bool shareMsMode = true;
std::chrono::high_resolution_clock::time_point startTime;
int64_t msLeft;
if (millis_timeout == IInferRequest::WaitMode::STATUS_ONLY ||
millis_timeout == IInferRequest::WaitMode::RESULT_READY) {
shareMsMode = false;
}
for (auto it = _inferRequests.begin(); it != _inferRequests.end(); ++it) {
startTime = std::chrono::high_resolution_clock::now();
status = it->_request->Wait(millis_timeout);
msLeft = std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::high_resolution_clock::now() - startTime).count();
if (OK != status) {
return status;
}
if (shareMsMode) {
if (millis_timeout - msLeft > 0) {
millis_timeout -= msLeft;
} else if (it != _inferRequests.end()) {
return RESULT_NOT_READY;
}
}
}
return status;
}
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