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提交 88c24baa 编写于 作者: N nhzlx 提交者： ceci3
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add static model load for trt 

1. bind trt input and output to fluid tensors
上级 e1c28e7f
隐藏空白更改
内联 并排
Showing with 313 addition and 344 deletion
paddle/fluid/inference/analysis/ir_passes/tensorrt_subgraph_pass.cc
浏览文件 @ 88c24baa
......@@ -33,6 +33,14 @@ using framework::ir::Node;
std::vector<std::string> ExtractParameters(
const std::unordered_set<Node *> &nodes);
void RenameAndGetOutputs(
const std::vector<framework::ir::Node *> &subgraph_nodes,
framework::BlockDesc *block_desc,
const std::set<std::string> &input_names_with_id,
std::set<std::string> *output_names_with_id,
std::set<std::string> *output_names,
std::unordered_map<std::string, std::string> *output_name_map);
std::unique_ptr<framework::ir::Graph> analysis::TensorRtSubgraphPass::ApplyImpl(
std::unique_ptr<framework::ir::Graph> graph) const {
......@@ -120,9 +128,6 @@ void TensorRtSubgraphPass::CreateTensorRTOp(framework::ir::Node *node,
input_names.insert(x->Name());
input_names_with_id.insert(x->Name() + std::to_string(x->id()));
}
op_desc->SetInput(
"Xs", std::vector<std::string>(input_names.begin(), input_names.end()));
std::set<std::string> output_names;
std::set<std::string> output_names_with_id;
for (auto *x : node->outputs) {
......@@ -130,11 +135,8 @@ void TensorRtSubgraphPass::CreateTensorRTOp(framework::ir::Node *node,
output_names_with_id.insert(x->Name() + std::to_string(x->id()));
}
op_desc->SetOutput(
"Ys", std::vector<std::string>(output_names.begin(), output_names.end()));
op_desc->SetType("tensorrt_engine");
std::unordered_map<std::string, std::string> output_name_map;
auto &subgraph_nodes = *Agent(node).subgraph();
// The following procedure is used to rename all the intermediate
// variables and the output variables of the subgraph.
......@@ -148,61 +150,8 @@ void TensorRtSubgraphPass::CreateTensorRTOp(framework::ir::Node *node,
// input of a OP, but also the output of a Op, there will be problems.
// So we have to rename the variable in the subgraph to make sure
// it is either an OP's input or an OP's output.
auto &subgraph_nodes = *Agent(node).subgraph();
for (size_t index = 0; index < block_desc.OpSize(); ++index) {
framework::proto::OpDesc *op = block_desc.Op(index)->Proto();
auto correspond_node = subgraph_nodes[index];
PADDLE_ENFORCE_EQ(correspond_node->Name(), op->type());
std::unordered_map<std::string, size_t> var2id;
for (auto *in_var : correspond_node->inputs) {
var2id[in_var->Name()] = in_var->id();
}
// rename for the input variables of op inside subgraph
for (int i = 0; i < op->inputs_size(); i++) {
// one input
auto *in_var = op->mutable_inputs(i);
std::vector<std::string> replaced_names;
for (int k = 0; k < in_var->arguments_size(); k++) { // all the arguments
std::string arg_value = in_var->arguments(k);
std::string arg_value_with_id =
arg_value + std::to_string(var2id[arg_value]);
if (input_names_with_id.count(arg_value_with_id)) {
replaced_names.push_back(arg_value);
} else {
replaced_names.push_back(arg_value_with_id);
}
}
in_var->clear_arguments();
for (size_t k = 0; k < replaced_names.size(); k++) {
in_var->add_arguments(replaced_names[k]);
}
}
var2id.clear();
for (auto out_var : correspond_node->outputs) {
var2id[out_var->Name()] = out_var->id();
}
// rename for the output variables of op inside subgraph
for (int i = 0; i < op->outputs_size(); i++) {
framework::proto::OpDesc_Var *out_var = op->mutable_outputs(i);
std::vector<std::string> replaced_names;
for (int k = 0; k < out_var->arguments_size(); k++) {
std::string arg_value = out_var->arguments(k);
std::string arg_value_with_id =
arg_value + std::to_string(var2id[arg_value]);
if (output_names_with_id.count(arg_value_with_id)) {
output_name_map[arg_value] = arg_value_with_id;
}
replaced_names.push_back(arg_value_with_id);
}
out_var->clear_arguments();
for (size_t k = 0; k < replaced_names.size(); k++) {
out_var->add_arguments(replaced_names[k]);
}
}
}
RenameAndGetOutputs(subgraph_nodes, &block_desc, input_names_with_id,
&output_names_with_id, &output_names, &output_name_map);
// When tensorrt engine runs at the end of the operation,
// output_mapping help us copy the data from the renamed ITensor
......@@ -222,6 +171,14 @@ void TensorRtSubgraphPass::CreateTensorRTOp(framework::ir::Node *node,
PADDLE_ENFORCE(!block_desc.Proto()->vars().empty(),
"the block has no var-desc");
op_desc->SetInput(
"Xs", std::vector<std::string>(input_names.begin(), input_names.end()));
op_desc->SetOutput(
"Ys", std::vector<std::string>(output_names.begin(), output_names.end()));
op_desc->SetType("tensorrt_engine");
PADDLE_ENFORCE(!output_mapping.empty());
op_desc->SetBlockAttr("sub_block", new_block);
SetAttr(op_desc->Proto(), "subgraph",
......@@ -236,6 +193,7 @@ void TensorRtSubgraphPass::CreateTensorRTOp(framework::ir::Node *node,
auto engine_key =
GenerateEngineKey(input_names_with_id, output_names_with_id);
// Get "" when there is no cached calibration table data.
std::string calibration_data = GetTrtCalibTableData(
Get<std::string>("model_opt_cache_dir"), engine_key, enable_int8);
SetAttr(op_desc->Proto(), "calibration_data", calibration_data);
......@@ -272,6 +230,99 @@ std::vector<std::string> ExtractParameters(
return parameters;
}
void RenameAndGetOutputs(
const std::vector<framework::ir::Node *> &subgraph_nodes,
framework::BlockDesc *block_desc,
const std::set<std::string> &input_names_with_id,
std::set<std::string> *output_names_with_id,
std::set<std::string> *output_names,
std::unordered_map<std::string, std::string> *output_name_map) {
//// In the normal case, the paddle-trt exists bug when runing the googlenet.
// When there are more than two convolutions of 1 * 1 with the same input, the
// paddle-tensorrt will do the merging optimization, which fuse those conv
// into one conv, and then trigger bug. So, We should use strategy to avoid
// this optimization for the time being. This bug will be fixed in the future.
std::unordered_map<std::string /*name*/, int /*ITensor_quote_num*/>
same_hierarchy_conv2d_num_map;
for (size_t index = 0; index < block_desc->OpSize(); ++index) {
framework::proto::OpDesc *op = block_desc->Op(index)->Proto();
framework::OpDesc op_desc(*op, nullptr);
auto correspond_node = subgraph_nodes[index];
PADDLE_ENFORCE_EQ(correspond_node->Name(), op->type());
std::unordered_map<std::string, size_t> var2id;
std::unordered_map<std::string, framework::ir::Node *> in_vars;
for (auto *in_var : correspond_node->inputs) {
var2id[in_var->Name()] = in_var->id();
in_vars[in_var->Name()] = in_var;
}
// rename for the input variables of op inside subgraph
for (int i = 0; i < op->inputs_size(); i++) {
// one input
auto *in_var = op->mutable_inputs(i);
std::vector<std::string> replaced_names;
for (int k = 0; k < in_var->arguments_size(); k++) { // all the arguments
std::string arg_value = in_var->arguments(k);
std::string arg_value_with_id =
arg_value + std::to_string(var2id[arg_value]);
if (input_names_with_id.count(arg_value_with_id)) {
replaced_names.push_back(arg_value);
} else {
replaced_names.push_back(arg_value_with_id);
}
}
in_var->clear_arguments();
for (size_t k = 0; k < replaced_names.size(); k++) {
in_var->add_arguments(replaced_names[k]);
}
}
var2id.clear();
for (auto out_var : correspond_node->outputs) {
var2id[out_var->Name()] = out_var->id();
}
if (op_desc.Type() == "conv2d") {
auto input_var_name = op_desc.Input("Input").front();
auto filter_var_name = op_desc.Input("Filter").front();
auto out_var_name = op_desc.Output("Output").front();
auto filter_shape = in_vars[filter_var_name]->Var()->GetShape();
const std::vector<int> strides =
boost::get<std::vector<int>>(op_desc.GetAttr("strides"));
const std::vector<int> paddings =
boost::get<std::vector<int>>(op_desc.GetAttr("paddings"));
if (same_hierarchy_conv2d_num_map[input_var_name] > 0) {
(*output_names_with_id)
.insert(out_var_name + std::to_string(var2id[out_var_name]));
(*output_names).insert(out_var_name);
} else if (filter_shape[2] == 1 && filter_shape[3] == 1 &&
strides[0] == 1 && strides[1] == 1 && paddings[0] == 0 &&
paddings[1] == 0) {
same_hierarchy_conv2d_num_map[input_var_name] += 1;
}
}
// rename for the output variables of op inside subgraph
for (int i = 0; i < op->outputs_size(); i++) {
framework::proto::OpDesc_Var *out_var = op->mutable_outputs(i);
std::vector<std::string> replaced_names;
for (int k = 0; k < out_var->arguments_size(); k++) {
std::string arg_value = out_var->arguments(k);
std::string arg_value_with_id =
arg_value + std::to_string(var2id[arg_value]);
if (output_names_with_id->count(arg_value_with_id)) {
(*output_name_map)[arg_value] = arg_value_with_id;
}
replaced_names.push_back(arg_value_with_id);
}
out_var->clear_arguments();
for (size_t k = 0; k < replaced_names.size(); k++) {
out_var->add_arguments(replaced_names[k]);
}
}
}
}
} // namespace analysis
} // namespace inference
} // namespace paddle
......
paddle/fluid/inference/engine.h
浏览文件 @ 88c24baa
......@@ -49,11 +49,6 @@ class EngineBase {
// Execute the engine, that will run the inference network.
virtual void Execute(int batch_size) = 0;
// Return the IO buffer that allocated in engine. One can read/write directly
// on the buffer. If the buffer's buffer is nullptr, one can also allocate
// memory and maintain it outside the engine.
virtual Buffer& buffer(const std::string& name) = 0;
virtual ~EngineBase() {}
}; // class EngineBase
......
paddle/fluid/inference/tensorrt/convert/conv2d_op.cc
浏览文件 @ 88c24baa
......@@ -18,21 +18,6 @@ namespace paddle {
namespace inference {
namespace tensorrt {
bool to_skip_merging_optimize(TensorRTEngine* engine,
const std::vector<int>& filters,
const std::vector<int>& strides,
const std::vector<int>& paddings,
std::string input_name) {
if (engine->itensor_quote_num[input_name] > 0) {
return true;
}
if (filters[0] == 1 && filters[1] == 1 && strides[0] == 1 &&
strides[1] == 1 && paddings[0] == 0 && paddings[1] == 0)
engine->itensor_quote_num[input_name] += 1;
return false;
}
template <typename RegistFunc, typename SetDilationFunc>
void ConvertConv2d(TensorRTEngine* engine, const framework::proto::OpDesc& op,
const framework::Scope& scope, bool test_mode,
......@@ -100,9 +85,7 @@ void ConvertConv2d(TensorRTEngine* engine, const framework::proto::OpDesc& op,
layer->getOutput(0)->setName(output_name.c_str());
engine->SetITensor(output_name, layer->getOutput(0));
if (test_mode ||
to_skip_merging_optimize(engine, {filter_h, filter_w}, strides, paddings,
op_desc.Input("Input").front())) {
if (test_mode) {
engine->DeclareOutput(output_name);
}
}
......
paddle/fluid/inference/tensorrt/convert/ut_helper.h
浏览文件 @ 88c24baa
......@@ -146,19 +146,6 @@ class TRTConvertValidation {
// Declare outputs.
op_desc_.reset(new framework::OpDesc(desc, nullptr));
// Set Inputs.
for (const auto& input : op_desc_->InputArgumentNames()) {
if (parameters_.count(input)) continue;
auto* var = scope_.FindVar(input);
PADDLE_ENFORCE(var);
auto tensor = var->GetMutable<framework::LoDTensor>();
engine_->SetInputFromGPU(
input, static_cast<void*>(tensor->data<void>()),
sizeof(float) *
analysis::AccuDims(tensor->dims(), tensor->dims().size()));
}
}
// We use the set 'neglected_output' here, because some Ops like batch norm,
......@@ -171,34 +158,64 @@ class TRTConvertValidation {
platform::CUDAPlace place;
platform::CUDADeviceContext ctx(place);
op_->Run(scope_, place);
std::vector<std::string> input_output_names;
// Note: we need filter the parameter
for (const auto& input : op_desc_->InputArgumentNames()) {
if (parameters_.count(input)) continue;
input_output_names.push_back(input);
}
// Collect the fluid outputs.
std::vector<std::vector<float>> fluid_outs;
for (const auto& output : op_desc_->OutputArgumentNames()) {
if (neglected_output.count(output)) continue;
input_output_names.push_back(output);
std::vector<float> fluid_out;
auto* var = scope_.FindVar(output);
auto* tensor = var->GetMutable<framework::LoDTensor>();
framework::TensorToVector(*tensor, ctx, &fluid_out);
fluid_outs.push_back(fluid_out);
}
// Bind input and output for TRT.
const int num_bindings = input_output_names.size();
std::vector<void*> buffers(num_bindings);
for (const std::string& name : input_output_names) {
auto* var = scope_.FindVar(name);
auto* tensor = var->GetMutable<framework::LoDTensor>();
const int bind_index = engine_->engine()->getBindingIndex(name.c_str());
buffers[bind_index] =
static_cast<void*>(tensor->mutable_data<float>(place));
}
// Execute TRT.
engine_->Execute(batch_size);
engine_->Execute(batch_size, buffers);
cudaStreamSynchronize(engine_->stream());
ASSERT_FALSE(op_desc_->OutputArgumentNames().empty());
const size_t output_space_size = 3000;
int index = 0;
for (const auto& output : op_desc_->OutputArgumentNames()) {
if (neglected_output.count(output)) continue;
std::vector<float> fluid_out;
std::vector<float> trt_out(output_space_size);
engine_->GetOutputInCPU(output, &trt_out[0], output_space_size);
cudaStreamSynchronize(engine_->stream());
std::vector<float> trt_out;
auto* var = scope_.FindVar(output);
auto tensor = var->GetMutable<framework::LoDTensor>();
framework::TensorToVector(*tensor, ctx, &fluid_out);
auto* tensor = var->GetMutable<framework::LoDTensor>();
framework::TensorToVector(*tensor, ctx, &trt_out);
size_t fluid_out_size = fluid_out.size();
size_t fluid_out_size = fluid_outs[index].size();
if (if_add_batch_ == true) {
fluid_out_size =
batch_size * (framework::product(tensor->dims()) / max_batch_size_);
}
// Compare two output
ASSERT_FALSE(fluid_out.empty());
for (size_t i = 0; i < fluid_out_size; i++) {
// Loose the threshold for CI in different machine model.
EXPECT_LT(std::abs(fluid_out[i] - trt_out[i]), 2e-5);
EXPECT_LT(std::abs(fluid_outs[index][i] - trt_out[i]), 2e-5);
}
index += 1;
}
}
......
paddle/fluid/inference/tensorrt/engine.cc
浏览文件 @ 88c24baa
......@@ -32,8 +32,14 @@ void TensorRTEngine::Build(const DescType &paddle_model) {
PADDLE_ENFORCE(false, "not implemented");
}
void TensorRTEngine::Execute(int batch_size, std::vector<void *> &buffers) {
batch_size_ = batch_size;
infer_context_->enqueue(batch_size, buffers.data(), stream_, nullptr);
cudaStreamSynchronize(stream_);
SetRuntimeBatch(batch_size);
}
void TensorRTEngine::Execute(int batch_size) {
freshDeviceId();
batch_size_ = batch_size;
std::vector<void *> buffers;
for (auto &buf : buffers_) {
......@@ -61,7 +67,6 @@ TensorRTEngine::~TensorRTEngine() {
void TensorRTEngine::FreezeNetwork() {
VLOG(3) << "TRT to freeze network";
freshDeviceId();
PADDLE_ENFORCE(infer_builder_ != nullptr,
"Call InitNetwork first to initialize network.");
PADDLE_ENFORCE(infer_network_ != nullptr,
......@@ -81,30 +86,6 @@ void TensorRTEngine::FreezeNetwork() {
PADDLE_ENFORCE(infer_engine_ != nullptr, "build cuda engine failed!");
infer_context_.reset(infer_engine_->createExecutionContext());
// allocate GPU buffers.
buffers_.resize(buffer_sizes_.size());
for (auto &item : buffer_sizes_) {
// The output buffers are not set in the network building phrase, need to
// infer from the TesorRT network.
if (item.second == 0) {
auto slot_offset = infer_engine_->getBindingIndex(item.first.c_str());
auto dims = infer_engine_->getBindingDimensions(slot_offset);
item.second = kDataTypeSize[static_cast<int>(
infer_engine_->getBindingDataType(slot_offset))] *
analysis::AccuDims(dims.d, dims.nbDims) * max_batch_;
PADDLE_ENFORCE_GT(item.second, 0);
}
auto &buf = buffer(item.first);
buf.max_size = item.second * max_batch_;
CHECK(buf.buffer == nullptr); // buffer should be allocated only once.
PADDLE_ENFORCE_EQ(0, cudaMalloc(&buf.buffer, item.second * max_batch_));
buf.size = 0;
PADDLE_ENFORCE_LE(buf.max_size, 1 << 30); // 10G
buf.device = DeviceType::GPU;
}
}
nvinfer1::ITensor *TensorRTEngine::DeclareInput(const std::string &name,
......@@ -158,83 +139,6 @@ void TensorRTEngine::DeclareOutput(const std::string &name) {
buffer_sizes_[name] = 0;
}
void *TensorRTEngine::GetOutputInGPU(const std::string &name) {
return buffer(name).buffer;
}
void TensorRTEngine::GetOutputInGPU(const std::string &name, void *dst,
size_t max_size) {
// determine data size
auto *output = TensorRTEngine::GetITensor(name);
nvinfer1::Dims dims = output->getDimensions();
auto dim_size = analysis::AccuDims(dims.d, dims.nbDims);
size_t dst_size = dim_size * runtime_batch_ *
kDataTypeSize[static_cast<int>(output->getType())];
auto it = buffer_sizes_.find(name);
PADDLE_ENFORCE(it != buffer_sizes_.end());
PADDLE_ENFORCE_GT(it->second, 0);
PADDLE_ENFORCE_LE(dst_size, it->second);
PADDLE_ENFORCE_GE(max_size, dst_size);
auto &buf = buffer(name);
PADDLE_ENFORCE_NOT_NULL(buf.buffer, "buffer should be allocated before");
PADDLE_ENFORCE_EQ(cudaMemcpyAsync(dst, buf.buffer, dst_size,
cudaMemcpyDeviceToDevice, stream_),
0);
}
void TensorRTEngine::GetOutputInCPU(const std::string &name, void *dst,
size_t max_size) {
// determine data size
auto *output = TensorRTEngine::GetITensor(name);
nvinfer1::Dims dims = output->getDimensions();
auto dim_size = analysis::AccuDims(dims.d, dims.nbDims);
size_t dst_size = dim_size * runtime_batch_ *
kDataTypeSize[static_cast<int>(output->getType())];
auto it = buffer_sizes_.find(name);
PADDLE_ENFORCE(it != buffer_sizes_.end());
PADDLE_ENFORCE_GT(it->second, 0);
PADDLE_ENFORCE_LE(dst_size, it->second);
PADDLE_ENFORCE_GE(max_size, dst_size);
auto &buf = buffer(name);
PADDLE_ENFORCE_NOT_NULL(buf.buffer, "buffer should be allocated before");
PADDLE_ENFORCE_EQ(0, cudaMemcpyAsync(dst, buf.buffer, dst_size,
cudaMemcpyDeviceToHost, stream_));
}
Buffer &TensorRTEngine::buffer(const std::string &name) {
PADDLE_ENFORCE(infer_engine_ != nullptr, "call FreezeNetwork first.");
auto it = buffer_sizes_.find(name);
PADDLE_ENFORCE(it != buffer_sizes_.end(), "tried to access buffer named %s",
name);
auto slot_offset = infer_engine_->getBindingIndex(name.c_str());
return buffers_[slot_offset];
}
void TensorRTEngine::SetInputFromCPU(const std::string &name, const void *data,
size_t size) {
auto &buf = buffer(name);
PADDLE_ENFORCE_NOT_NULL(buf.buffer);
PADDLE_ENFORCE_NOT_NULL(data);
PADDLE_ENFORCE_LE(size, buf.max_size, "buffer is too small");
PADDLE_ENFORCE(buf.device == DeviceType::GPU);
buf.size = size;
PADDLE_ENFORCE_EQ(0, cudaMemcpyAsync(buf.buffer, data, size,
cudaMemcpyHostToDevice, stream_));
}
void TensorRTEngine::SetInputFromGPU(const std::string &name, const void *data,
size_t size) {
auto &buf = buffer(name);
buf.size = size;
PADDLE_ENFORCE_NOT_NULL(buf.buffer);
PADDLE_ENFORCE_LE(size, buf.max_size, "buffer is too small");
PADDLE_ENFORCE(buf.device == DeviceType::GPU);
PADDLE_ENFORCE_EQ(0, cudaMemcpyAsync(buf.buffer, data, size,
cudaMemcpyDeviceToDevice, stream_));
}
void TensorRTEngine::SetITensor(const std::string &name,
nvinfer1::ITensor *tensor) {
PADDLE_ENFORCE(tensor != nullptr);
......@@ -254,13 +158,6 @@ void TensorRTEngine::SetRuntimeBatch(size_t batch_size) {
int TensorRTEngine::GetRuntimeBatch() { return runtime_batch_; }
void TensorRTEngine::freshDeviceId() {
int count;
cudaGetDeviceCount(&count);
PADDLE_ENFORCE_LT(device_, count);
cudaSetDevice(device_);
}
nvinfer1::IPluginLayer *TensorRTEngine::AddPlugin(
nvinfer1::ITensor *const *inputs, int num_inputs,
plugin::PluginTensorRT *plugin) {
......
paddle/fluid/inference/tensorrt/engine.h
浏览文件 @ 88c24baa
......@@ -57,13 +57,12 @@ class TensorRTEngine : public EngineBase {
};
TensorRTEngine(int max_batch, int max_workspace, cudaStream_t stream,
int device = 0, bool enable_int8 = false,
bool enable_int8 = false,
TRTInt8Calibrator* calibrator = nullptr,
nvinfer1::ILogger& logger = NaiveLogger::Global())
: max_batch_(max_batch),
max_workspace_(max_workspace),
stream_(stream),
device_(device),
enable_int8_(enable_int8),
calibrator_(calibrator),
logger_(logger) {}
......@@ -74,6 +73,7 @@ class TensorRTEngine : public EngineBase {
void Build(const DescType& paddle_model) override;
void Execute(int batch_size) override;
void Execute(int batch_size, std::vector<void*>& buffers);
// Initialize the inference network, so that TensorRT layers can add to this
// network.
......@@ -98,28 +98,8 @@ class TensorRTEngine : public EngineBase {
// Check if the ITensor has been declared
bool HasDeclared(const std::string& name);
// GPU memory address for an ITensor with specific name. One can operate on
// these memory directly for acceleration, for example, output the converted
// data directly to the buffer to save data copy overhead.
// NOTE this should be used after calling `FreezeNetwork`.
Buffer& buffer(const std::string& name) override;
cudaStream_t stream() { return stream_; }
// Fill an input from CPU memory with name and size.
void SetInputFromCPU(const std::string& name, const void* data, size_t size);
// TODO(Superjomn) is this method necessary given that buffer(xxx) can be
// accessed directly. Fill an input from GPU memory with name and size.
void SetInputFromGPU(const std::string& name, const void* data, size_t size);
// Get an output called name, the output of tensorrt is in GPU, so this method
// Return the output's GPU memory address without copy.
void* GetOutputInGPU(const std::string& name);
// Copy data into dst inside the GPU device.
void GetOutputInGPU(const std::string& name, void* dst, size_t max_size);
// LOW EFFICENCY! Get output to CPU, this will trigger a memory copy from GPU
// to CPU.
void GetOutputInCPU(const std::string& name, void* dst, size_t max_size);
// Fill an ITensor into map itensor_map_.
void SetITensor(const std::string& name, nvinfer1::ITensor* tensor);
// Get an ITensor called name.
nvinfer1::ITensor* GetITensor(const std::string& name);
......@@ -128,7 +108,6 @@ class TensorRTEngine : public EngineBase {
nvinfer1::INetworkDefinition* network() { return infer_network_.get(); }
void SetRuntimeBatch(size_t batch_size);
int GetRuntimeBatch();
int GetDevice() { return device_; }
nvinfer1::IPluginLayer* AddPlugin(nvinfer1::ITensor* const* inputs,
int num_inputs, plugin::PluginTensorRT*);
......@@ -140,16 +119,6 @@ class TensorRTEngine : public EngineBase {
std::unordered_map<std::string /*name*/, std::unique_ptr<framework::Tensor>>
weight_map;
// TODO(NHZLX)
// In the normal case, the paddle-trt exists bug when runing the googlenet.
// When there are more than two convolutions of 1 * 1 with the same input, the
// paddle-tensorrt will do the merging optimization, which fuse those conv
// into one conv, and then trigger bug. So, We should use strategy to avoid
// this
// optimization for the time being. This bug will be fixed in the future.
std::unordered_map<std::string /*name*/, int /*ITensor_quote_num*/>
itensor_quote_num;
private:
// the max batch size
int max_batch_;
......@@ -159,8 +128,6 @@ class TensorRTEngine : public EngineBase {
int max_workspace_;
cudaStream_t stream_;
// The specific GPU id that the TensorRTEngine bounded to.
int device_;
bool enable_int8_;
TRTInt8Calibrator* calibrator_;
......@@ -192,10 +159,6 @@ class TensorRTEngine : public EngineBase {
infer_ptr<nvinfer1::INetworkDefinition> infer_network_;
infer_ptr<nvinfer1::ICudaEngine> infer_engine_;
infer_ptr<nvinfer1::IExecutionContext> infer_context_;
// Each ICudaEngine object is bound to a specific GPU when it is instantiated,
// ensure that the thread is associated with the correct device by calling
// freshDeviceId().
void freshDeviceId();
}; // class TensorRTEngine
// Add an layer__ into engine__ with args ARGS.
......
paddle/fluid/inference/tensorrt/test_engine.cc
浏览文件 @ 88c24baa
......@@ -17,6 +17,8 @@ limitations under the License. */
#include <glog/logging.h>
#include <gtest/gtest.h>
#include "paddle/fluid/framework/tensor.h"
#include "paddle/fluid/framework/tensor_util.h"
#include "paddle/fluid/inference/tensorrt/engine.h"
#include "paddle/fluid/platform/enforce.h"
......@@ -27,19 +29,29 @@ namespace tensorrt {
class TensorRTEngineTest : public ::testing::Test {
protected:
void SetUp() override {
ASSERT_EQ(0, cudaStreamCreate(&stream_));
engine_ = new TensorRTEngine(10, 1 << 10, stream_);
ctx_ = new platform::CUDADeviceContext(platform::CUDAPlace(0));
engine_ = new TensorRTEngine(10, 1 << 10, ctx_->stream());
engine_->InitNetwork();
}
void TearDown() override {
delete engine_;
cudaStreamDestroy(stream_);
void TearDown() override { delete engine_; }
void PrepareInputOutput(const std::vector<float> &input,
std::vector<int> output_shape) {
TensorFromVector(input, *ctx_, &input_);
output_.Resize(framework::make_ddim(output_shape));
}
void GetOutput(std::vector<float> *output) {
TensorToVector(output_, *ctx_, output);
}
protected:
TensorRTEngine* engine_;
cudaStream_t stream_;
framework::Tensor input_;
framework::Tensor output_;
TensorRTEngine *engine_;
platform::CUDADeviceContext *ctx_;
};
TEST_F(TensorRTEngineTest, add_layer) {
......@@ -48,12 +60,14 @@ TEST_F(TensorRTEngineTest, add_layer) {
float raw_weight[size] = {2.}; // Weight in CPU memory.
float raw_bias[size] = {3.};
std::vector<void *> buffers(2); // TRT binded inputs
LOG(INFO) << "create weights";
TensorRTEngine::Weight weight(nvinfer1::DataType::kFLOAT, raw_weight, size);
TensorRTEngine::Weight bias(nvinfer1::DataType::kFLOAT, raw_bias, size);
auto* x = engine_->DeclareInput("x", nvinfer1::DataType::kFLOAT,
auto *x = engine_->DeclareInput("x", nvinfer1::DataType::kFLOAT,
nvinfer1::DimsCHW{1, 1, 1});
auto* fc_layer = TRT_ENGINE_ADD_LAYER(engine_, FullyConnected, *x, size,
auto *fc_layer = TRT_ENGINE_ADD_LAYER(engine_, FullyConnected, *x, size,
weight.get(), bias.get());
PADDLE_ENFORCE(fc_layer != nullptr);
......@@ -63,18 +77,24 @@ TEST_F(TensorRTEngineTest, add_layer) {
ASSERT_EQ(engine_->engine()->getNbBindings(), 2);
// fill in real data
float x_v = 1234;
engine_->SetInputFromCPU("x", reinterpret_cast<void*>(&x_v),
1 * sizeof(float));
std::vector<float> x_v = {1234};
std::vector<float> y_cpu;
PrepareInputOutput(x_v, {1});
auto *x_v_gpu_data = input_.mutable_data<float>(ctx_->GetPlace());
auto *y_gpu_data = output_.mutable_data<float>(ctx_->GetPlace());
buffers[0] = reinterpret_cast<void *>(x_v_gpu_data);
buffers[1] = reinterpret_cast<void *>(y_gpu_data);
LOG(INFO) << "to execute";
engine_->Execute(1);
engine_->Execute(1, buffers);
LOG(INFO) << "to get output";
float y_cpu;
engine_->GetOutputInCPU("y", &y_cpu, 1 * sizeof(float));
GetOutput(&y_cpu);
LOG(INFO) << "to checkout output";
ASSERT_EQ(y_cpu, x_v * 2 + 3);
ASSERT_EQ(y_cpu[0], x_v[0] * 2 + 3);
}
TEST_F(TensorRTEngineTest, add_layer_multi_dim) {
......@@ -83,12 +103,13 @@ TEST_F(TensorRTEngineTest, add_layer_multi_dim) {
// instead of row-major, which is [[1.0, 1.1], [3.3, 4.4]]
float raw_weight[4] = {1.0, 1.1, 3.3, 4.4};
float raw_bias[2] = {1.3, 2.4};
std::vector<void *> buffers(2); // TRT binded inputs
TensorRTEngine::Weight weight(nvinfer1::DataType::kFLOAT, raw_weight, 4);
TensorRTEngine::Weight bias(nvinfer1::DataType::kFLOAT, raw_bias, 2);
auto* x = engine_->DeclareInput("x", nvinfer1::DataType::kFLOAT,
auto *x = engine_->DeclareInput("x", nvinfer1::DataType::kFLOAT,
nvinfer1::DimsCHW{1, 2, 1});
auto* fc_layer = TRT_ENGINE_ADD_LAYER(engine_, FullyConnected, *x, 2,
auto *fc_layer = TRT_ENGINE_ADD_LAYER(engine_, FullyConnected, *x, 2,
weight.get(), bias.get());
PADDLE_ENFORCE(fc_layer != nullptr);
......@@ -96,19 +117,27 @@ TEST_F(TensorRTEngineTest, add_layer_multi_dim) {
engine_->FreezeNetwork();
ASSERT_EQ(engine_->engine()->getNbBindings(), 2);
float x_v[2] = {1.0, 2.0};
engine_->SetInputFromCPU("x", reinterpret_cast<void*>(&x_v),
2 * sizeof(float));
engine_->Execute(1);
// fill in real data
std::vector<float> x_v = {1.0, 2.0};
std::vector<float> y_cpu;
PrepareInputOutput(x_v, {2});
auto *x_v_gpu_data = input_.mutable_data<float>(ctx_->GetPlace());
auto *y_gpu_data = output_.mutable_data<float>(ctx_->GetPlace());
buffers[0] = reinterpret_cast<void *>(x_v_gpu_data);
buffers[1] = reinterpret_cast<void *>(y_gpu_data);
engine_->Execute(1, buffers);
LOG(INFO) << "to get output";
float y_cpu[2] = {-1., -1.};
GetOutput(&y_cpu);
auto dims = engine_->GetITensor("y")->getDimensions();
ASSERT_EQ(dims.nbDims, 3);
ASSERT_EQ(dims.d[0], 2);
ASSERT_EQ(dims.d[1], 1);
engine_->GetOutputInCPU("y", &y_cpu[0], 2 * sizeof(float));
ASSERT_EQ(y_cpu[0], 4.5);
ASSERT_EQ(y_cpu[1], 14.5);
}
......@@ -117,12 +146,13 @@ TEST_F(TensorRTEngineTest, test_conv2d) {
// Weight in CPU memory.
float raw_weight[9] = {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0};
float raw_bias[1] = {0};
std::vector<void *> buffers(2); // TRT binded inputs
TensorRTEngine::Weight weight(nvinfer1::DataType::kFLOAT, raw_weight, 9);
TensorRTEngine::Weight bias(nvinfer1::DataType::kFLOAT, raw_bias, 1);
auto* x = engine_->DeclareInput("x", nvinfer1::DataType::kFLOAT,
auto *x = engine_->DeclareInput("x", nvinfer1::DataType::kFLOAT,
nvinfer1::Dims3{1, 3, 3});
auto* conv_layer =
auto *conv_layer =
TRT_ENGINE_ADD_LAYER(engine_, Convolution, *x, 1, nvinfer1::DimsHW{3, 3},
weight.get(), bias.get());
PADDLE_ENFORCE(conv_layer != nullptr);
......@@ -133,28 +163,37 @@ TEST_F(TensorRTEngineTest, test_conv2d) {
engine_->FreezeNetwork();
ASSERT_EQ(engine_->engine()->getNbBindings(), 2);
float x_v[18] = {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0};
engine_->SetInputFromCPU("x", reinterpret_cast<void*>(&x_v),
18 * sizeof(float));
engine_->Execute(2);
// fill in real data
std::vector<float> x_v = {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0};
std::vector<float> y_cpu;
PrepareInputOutput(x_v, {18});
auto *x_v_gpu_data = input_.mutable_data<float>(ctx_->GetPlace());
auto *y_gpu_data = output_.mutable_data<float>(ctx_->GetPlace());
buffers[0] = reinterpret_cast<void *>(x_v_gpu_data);
buffers[1] = reinterpret_cast<void *>(y_gpu_data);
engine_->Execute(2, buffers);
LOG(INFO) << "to get output";
float* y_cpu = new float[18];
engine_->GetOutputInCPU("y", &y_cpu[0], 18 * sizeof(float));
GetOutput(&y_cpu);
ASSERT_EQ(y_cpu[0], 4.0);
ASSERT_EQ(y_cpu[1], 6.0);
}
TEST_F(TensorRTEngineTest, test_pool2d) {
// Weight in CPU memory.
auto* x = engine_->DeclareInput("x", nvinfer1::DataType::kFLOAT,
auto *x = engine_->DeclareInput("x", nvinfer1::DataType::kFLOAT,
nvinfer1::Dims3{1, 2, 2});
std::vector<void *> buffers(2); // TRT binded inputs
nvinfer1::PoolingType pool_t = nvinfer1::PoolingType::kAVERAGE;
auto* pool_layer =
TRT_ENGINE_ADD_LAYER(engine_, Pooling, *const_cast<nvinfer1::ITensor*>(x),
pool_t, nvinfer1::DimsHW{2, 2});
auto *pool_layer = TRT_ENGINE_ADD_LAYER(engine_, Pooling,
*const_cast<nvinfer1::ITensor *>(x),
pool_t, nvinfer1::DimsHW{2, 2});
PADDLE_ENFORCE(pool_layer != nullptr);
pool_layer->setStride(nvinfer1::DimsHW{1, 1});
......@@ -164,14 +203,21 @@ TEST_F(TensorRTEngineTest, test_pool2d) {
engine_->FreezeNetwork();
ASSERT_EQ(engine_->engine()->getNbBindings(), 2);
float x_v[8] = {1.0, 2.0, 5.0, 0.0, 2.0, 3.0, 5.0, 10.0};
engine_->SetInputFromCPU("x", reinterpret_cast<void*>(&x_v),
8 * sizeof(float));
engine_->Execute(2);
// fill in real data
std::vector<float> x_v = {1.0, 2.0, 5.0, 0.0, 2.0, 3.0, 5.0, 10.0};
std::vector<float> y_cpu;
PrepareInputOutput(x_v, {2});
auto *x_v_gpu_data = input_.mutable_data<float>(ctx_->GetPlace());
auto *y_gpu_data = output_.mutable_data<float>(ctx_->GetPlace());
buffers[0] = reinterpret_cast<void *>(x_v_gpu_data);
buffers[1] = reinterpret_cast<void *>(y_gpu_data);
engine_->Execute(2, buffers);
LOG(INFO) << "to get output";
float* y_cpu = new float[2];
engine_->GetOutputInCPU("y", &y_cpu[0], 2 * sizeof(float));
GetOutput(&y_cpu);
ASSERT_EQ(y_cpu[0], 2.0);
ASSERT_EQ(y_cpu[1], 5.0);
......
paddle/fluid/operators/tensorrt/tensorrt_engine_op.h
浏览文件 @ 88c24baa
......@@ -106,6 +106,11 @@ class TensorRTEngineOp : public framework::OperatorBase {
if (enable_int8_ && calibration_data_.size()) {
calibrator_.reset(new TRTInt8Calibrator(calibration_data_));
}
// we will create an engine here.
if (!calibration_mode_) {
// trt_engine_.reset();
}
}
protected:
......@@ -125,7 +130,8 @@ class TensorRTEngineOp : public framework::OperatorBase {
RunCalibration(scope, dev_place);
return;
}
RunTrt(scope, dev_place);
auto trt_engine = GetEngine(scope, dev_place);
RunTrt(scope, dev_place, trt_engine);
}
void RunCalibration(const framework::Scope &scope,
......@@ -155,10 +161,9 @@ class TensorRTEngineOp : public framework::OperatorBase {
calib_res->calib_.reset(new TRTInt8Calibrator(
calib_buffers, runtime_batch, engine_key_, dev_place));
calib_res->thr_.reset(new std::thread([&]() {
calib_res->engine_.reset(new TensorRTEngine(
max_batch_size_, workspace_size_, stream,
boost::get<platform::CUDAPlace>(dev_place).device, enable_int8_,
calib_res->calib_.get()));
calib_res->engine_.reset(
new TensorRTEngine(max_batch_size_, workspace_size_, stream,
enable_int8_, calib_res->calib_.get()));
VLOG(3) << "start the calib trt engine thread";
Prepare(scope, dev_place, calib_res->engine_.get());
}));
......@@ -180,28 +185,30 @@ class TensorRTEngineOp : public framework::OperatorBase {
RunNativeImpl(scope, dev_place);
}
void RunTrt(const framework::Scope &scope,
const platform::Place &dev_place) const {
void RunTrt(const framework::Scope &scope, const platform::Place &dev_place,
TensorRTEngine *engine) const {
int runtime_batch = 1;
platform::DeviceContextPool &pool = platform::DeviceContextPool::Instance();
auto &dev_ctx = *pool.Get(dev_place);
auto stream =
reinterpret_cast<const platform::CUDADeviceContext &>(dev_ctx).stream();
if (trt_engine_.get() == nullptr) {
trt_engine_.reset(
new TensorRTEngine(max_batch_size_, workspace_size_, stream,
boost::get<platform::CUDAPlace>(dev_place).device,
enable_int8_, calibrator_.get()));
Prepare(scope, dev_place, trt_engine_.get());
}
auto *engine = trt_engine_.get();
// auto *engine = trt_engine_.get();
PADDLE_ENFORCE(!input_names_.empty(), "should pass more than one inputs");
std::vector<std::string> output_maps =
Attr<std::vector<std::string>>("output_name_mapping");
// Convert input tensor from fluid to engine.
int num_inputs = 0;
for (const auto &x : Inputs("Xs")) {
if (param_names_.count(x)) continue;
num_inputs += 1;
}
const int num_bindings = num_inputs + Outputs("Ys").size();
std::vector<void *> buffers(num_bindings);
// Bind input tensor to TRT.
for (const auto &x : Inputs("Xs")) {
if (param_names_.count(x)) continue;
// convert input and copy to TRT engine's buffer
......@@ -209,26 +216,17 @@ class TensorRTEngineOp : public framework::OperatorBase {
inference::analysis::GetFromScope<framework::LoDTensor>(scope, x);
auto t_shape = framework::vectorize(t.dims());
runtime_batch = t_shape[0];
if (platform::is_cpu_place(t.place())) {
engine->SetInputFromCPU(x, static_cast<const void *>(t.data<void>()),
t.memory_size());
} else {
engine->SetInputFromGPU(x, static_cast<const void *>(t.data<void>()),
t.memory_size());
}
}
cudaStreamSynchronize(stream);
PADDLE_ENFORCE_LE(runtime_batch, max_batch_size_);
// Execute the engine.
engine->Execute(runtime_batch);
const int bind_index = engine->engine()->getBindingIndex(x.c_str());
PADDLE_ENFORCE(bind_index < num_bindings,
"The bind index should be less than num_bindings");
buffers[bind_index] = static_cast<void *>(t.data<float>());
}
// Convert output tensor from engine to fluid
// Bind output tensor to TRT.
int output_index = 0;
VLOG(4) << "TensorRT Engine Op Outputs:";
for (const auto &y : Outputs("Ys")) {
VLOG(4) << y;
// convert output and copy to fluid.
nvinfer1::ITensor *trt_t = engine->GetITensor(output_maps[output_index]);
auto dims = trt_t->getDimensions();
// Use the output ITensor's dims to reshape the Fluid Tensor.
......@@ -238,27 +236,46 @@ class TensorRTEngineOp : public framework::OperatorBase {
for (int i = 0; i < dims.nbDims; i++) {
ddim.push_back(dims.d[i]);
}
auto *fluid_v = scope.FindVar(y);
PADDLE_ENFORCE_NOT_NULL(fluid_v, "no output variable called %s", y);
auto *fluid_t = fluid_v->GetMutable<framework::LoDTensor>();
fluid_t->Resize(framework::make_ddim(ddim));
// TODO(Superjomn) change this float to dtype size.
auto size =
inference::analysis::AccuDims(dims.d, dims.nbDims) * runtime_batch;
engine->GetOutputInGPU(
output_maps[output_index],
fluid_t->mutable_data<float>(platform::CUDAPlace(
boost::get<platform::CUDAPlace>(dev_place).device)),
size * sizeof(float));
const int bind_index =
engine->engine()->getBindingIndex(output_maps[output_index].c_str());
PADDLE_ENFORCE(bind_index < num_bindings,
"The bind index should be less than num_bindings");
buffers[bind_index] = static_cast<void *>(fluid_t->mutable_data<float>(
boost::get<platform::CUDAPlace>(dev_place)));
output_index += 1;
}
PADDLE_ENFORCE_LE(runtime_batch, max_batch_size_);
// Execute the engine.
engine->Execute(runtime_batch, buffers);
cudaStreamSynchronize(stream);
}
TensorRTEngine *GetEngine(const framework::Scope &scope,
const platform::Place &dev_place) const {
platform::DeviceContextPool &pool = platform::DeviceContextPool::Instance();
auto &dev_ctx = *pool.Get(dev_place);
auto stream =
reinterpret_cast<const platform::CUDADeviceContext &>(dev_ctx).stream();
if (trt_engine_.get() == nullptr) {
trt_engine_.reset(new TensorRTEngine(max_batch_size_, workspace_size_,
stream, enable_int8_,
calibrator_.get()));
if (true) {
Prepare(scope, dev_place, trt_engine_.get());
} else {
// create static engine
}
}
return trt_engine_.get();
}
void Prepare(const framework::Scope &scope, const platform::Place &dev_place,
TensorRTEngine *engine) const {
LOG(INFO) << "Prepare TRT engine (Optimize model structure, Select OP "
......
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