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tvm_class.cc
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tvm_class.cc
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
#include <dlpack/dlpack.h>
#include <torch/custom_class.h>
#include <torch/script.h>
#include <tvm/runtime/container/adt.h>
#include <tvm/runtime/device_api.h>
#include <tvm/runtime/module.h>
#include <tvm/runtime/packed_func.h>
#include <tvm/runtime/registry.h>
#include <tvm/runtime/vm/vm.h>
#include <map>
#include <string>
#include <vector>
#include "../utils.h"
namespace tvm {
namespace contrib {
namespace pytorch {
/*! \brief Class holding necessary components to call TVM graph runtime */
class TvmGraphModulePack {
public:
/*!
* \brief Constructor.
*
* \param path Encoded path of graph runtime assets.
* \param device_type int64_t, kDLCPU or kDLCUDA.
* \param device_id int64_t.
*/
explicit TvmGraphModulePack(std::string path, int64_t device_type, int64_t device_id)
: path_(std::move(path)) {
LOG(INFO) << "[TvmGraphModule] loading module at path: [" << path_ << "] on device ["
<< (device_type == kDLCUDA ? "cuda:" : "cpu:") << device_id << "]...";
std::string lib_path, graph_path, params_path;
DecodePaths(path_, &lib_path, &graph_path, ¶ms_path);
// load graph
std::ifstream graph_in(graph_path);
std::string graph_data((std::istreambuf_iterator<char>(graph_in)),
std::istreambuf_iterator<char>());
graph_in.close();
// load mod syslib
tvm::runtime::Module lib = tvm::runtime::Module::LoadFromFile(lib_path);
const auto runtime_create = *tvm::runtime::Registry::Get("tvm.graph_executor.create");
// read params data
std::ifstream params_in(params_path, std::ios::binary);
std::string params_data((std::istreambuf_iterator<char>(params_in)),
std::istreambuf_iterator<char>());
params_in.close();
TVMByteArray params_arr;
params_arr.data = params_data.c_str();
params_arr.size = params_data.length();
// set devices
module_ = runtime_create(graph_data, lib, device_type, device_id);
const tvm::runtime::PackedFunc load_params = module_.GetFunction("load_params");
load_params(params_arr);
set_input = module_.GetFunction("set_input_zero_copy");
run = module_.GetFunction("run");
get_output = module_.GetFunction("get_output");
set_output = module_.GetFunction("set_output_zero_copy");
num_outputs_ = module_.GetFunction("get_num_outputs")();
}
static constexpr char kPathDelimiter = '|';
/*!
* \brief Decode lib_path, graph_path, params_path from encoded path.
*
* \param path The encoded path, concated with `kPathDelimiter`.
* \param lib_path The path of .so lib file.
* \param graph_path The path of graph.json.
* \param params_path The path of params data.
*/
static void DecodePaths(const std::string& path, std::string* lib_path, std::string* graph_path,
std::string* params_path) {
std::vector<std::string> paths;
for (size_t i = 0, pre = 0, lim = path.size(); i <= lim; ++i) {
if (i == lim || path.at(i) == kPathDelimiter) {
paths.push_back(path.substr(pre, i - pre));
pre = i + 1;
}
}
CHECK_EQ(paths.size(), 3u);
*lib_path = paths.at(0);
*graph_path = paths.at(1);
*params_path = paths.at(2);
}
/*!
* \brief Encode lib_path, graph_path, params_path by concat then with `kPathDelimiter`.
*
* \param lib_path The path of .so lib file.
* \param graph_path The path of graph.json.
* \param params_path The path of params data.
*
* \return The encoded path, concated with `kPathDelimiter`.
*/
static std::string EncodePaths(const std::string& lib_path, const std::string& graph_path,
const std::string& params_path) {
return lib_path + kPathDelimiter + graph_path + kPathDelimiter + params_path;
}
const std::string& path() const { return path_; }
const int64_t num_outputs() const { return num_outputs_; }
tvm::runtime::PackedFunc set_input;
tvm::runtime::PackedFunc run;
tvm::runtime::PackedFunc get_output;
tvm::runtime::PackedFunc set_output;
private:
tvm::runtime::Module module_;
int64_t num_outputs_;
std::string path_;
};
/*! \brief Class holding necessary components to call TVM VM runtime */
class TvmVMModulePack {
public:
/*!
* \brief Constructor.
*
* \param path Encoded path of vm runtime assets.
* \param device_type int64_t, kDLCPU or kDLCUDA.
* \param device_id int64_t.
*/
explicit TvmVMModulePack(std::string path, int64_t device_type, int64_t device_id)
: path_(std::move(path)) {
LOG(INFO) << "[TvmVMModule] loading module at path: [" << path_ << "] on device ["
<< (device_type == kDLCUDA ? "cuda:" : "cpu:") << device_id << "]...";
// build tvm graph runtime
std::string lib_path, code_path;
DecodePaths(path_, &lib_path, &code_path);
// load lib
auto loaded_lib = tvm::runtime::Module::LoadFromFile(lib_path, "so");
// load code
std::ifstream code_in(code_path);
std::string loaded_code((std::istreambuf_iterator<char>(code_in)),
std::istreambuf_iterator<char>());
code_in.close();
exe_ = tvm::runtime::vm::Executable::Load(loaded_code, loaded_lib);
const auto runtime_create = *tvm::runtime::Registry::Get("runtime._VirtualMachine");
vm_ = runtime_create(exe_);
auto init_func = vm_.GetFunction("init", false);
auto alloc_type = static_cast<int>(tvm::runtime::vm::AllocatorType::kPooled);
if (device_type != kDLCPU) {
// CPU is required for executing shape functions
init_func(static_cast<int>(kDLCPU), 0, alloc_type, device_type, device_id, alloc_type);
} else {
init_func(device_type, device_id, alloc_type);
}
set_input = vm_.GetFunction("set_input", false);
invoke = vm_.GetFunction("invoke", false);
}
static constexpr char kPathDelimiter = '|';
/*!
* \brief Decode lib_path, code_path from encoded path.
*
* \param path The encoded path, concated with `kPathDelimiter`.
* \param lib_path The path of lib file.
* \param code_path The path of code file.
*/
static void DecodePaths(const std::string& path, std::string* lib_path, std::string* code_path) {
std::vector<std::string> paths;
for (size_t i = 0, pre = 0, lim = path.size(); i <= lim; ++i) {
if (i == lim || path.at(i) == kPathDelimiter) {
paths.push_back(path.substr(pre, i - pre));
pre = i + 1;
}
}
CHECK_EQ(paths.size(), 2u);
*lib_path = paths.at(0);
*code_path = paths.at(1);
}
/*!
* \brief Encode lib_path, code_path by concat then with `kPathDelimiter`.
*
* \param lib_path The path of vm lib file.
* \param code_path The path of code.
*
* \return The encoded path, concated with `kPathDelimiter`.
*/
static std::string EncodePaths(const std::string& lib_path, const std::string& code_path) {
return lib_path + kPathDelimiter + code_path;
}
const std::string& path() const { return path_; }
tvm::runtime::PackedFunc set_input;
tvm::runtime::PackedFunc invoke;
private:
tvm::runtime::Module exe_;
tvm::runtime::Module vm_;
std::string path_;
};
/*! \brief Pytorch custom class to call TVM */
class BaseTvmClass : public torch::jit::CustomClassHolder {
public:
/*!
* \brief Constructor.
*
* \param num_inputs Number of inputs.
* \param num_outputs Number of outputs.
* \param device std::string, use the pytorch device str format, e.g. `cuda:0`, 'cpu'
*/
BaseTvmClass(const int64_t num_inputs, const int64_t num_outputs, const std::string& device)
: num_inputs_(num_inputs), num_outputs_(num_outputs) {
auto torch_device = torch::Device(device);
device_type_ = torch_device.is_cuda() ? kDLCUDA : kDLCPU;
device_id_ = torch_device.index();
}
/*! \brief Virtual destructor. */
virtual ~BaseTvmClass() {}
/*!
* \brief Get repr string of pytorch input shapes.
*
* \param shapes Pytorch shapes of type List[List[int]].
*
* \return std::string, the representation of inputs shapes.
*/
static std::string TvmShapeRepr(const c10::List<c10::List<int64_t>>& shapes) {
std::stringstream ss;
for (const auto& shape : shapes) {
for (const auto& sz : static_cast<c10::List<int64_t>>(shape)) {
ss << sz << "_";
}
ss << "__";
}
return ss.str();
}
/*!
* \brief Get input shapes.
*
* \param inputs Inputs with type List[Tensor].
*
* \return outputs with type List[List[int]].
*/
static c10::List<c10::List<int64_t>> GetShapes(const c10::List<at::Tensor>& inputs) {
c10::List<c10::List<int64_t>> shapes;
for (const auto& input : inputs) {
c10::List<int64_t> shape;
for (const auto sz : static_cast<at::Tensor>(input).sizes()) {
shape.push_back(sz);
}
shapes.push_back(shape);
}
return shapes;
}
/*!
* \brief Move the TVM modules to given device.
*
* \param device String repr of the device to be moved to.
*/
virtual void to(const std::string& device) = 0;
// getters
int64_t num_inputs() const { return num_inputs_; }
int64_t num_outputs() const { return num_outputs_; }
int64_t device_type() const { return device_type_; }
int64_t device_id() const { return device_id_; }
c10::DeviceType torch_device_type() const {
return device_type() == kDLCUDA ? torch::DeviceType::CUDA : torch::DeviceType::CPU;
}
bool is_on_same_device(const torch::Tensor& tensor) const {
auto tensor_device_type = tensor.device().type();
if (tensor_device_type == torch::DeviceType::CUDA) {
return tensor_device_type == torch_device_type() && device_id() == tensor.device().index();
}
CHECK_EQ(tensor_device_type, torch::DeviceType::CPU);
return tensor_device_type == torch_device_type();
}
std::string device() const { return torch::Device(torch_device_type(), device_id()).str(); }
/*!
* \brief Module forward.
*
* \param inputs Inputs with type List[Tensor].
*
* \return outputs with type List[Tensor].
*/
virtual c10::List<at::Tensor> forward(const c10::List<at::Tensor>& inputs) = 0;
/*!
* \brief Serialize TVM Modules to Dict<string, string>
*/
virtual c10::Dict<std::string, std::string> SerializeTvmModules() const = 0;
/*!
* \brief deserialize TVM Modules from Dict<string, string>
*/
virtual void DeserializeTvmModules(const c10::Dict<std::string, std::string>& shape_path_map) = 0;
protected:
const int64_t num_inputs_;
const int64_t num_outputs_;
int64_t device_type_;
int64_t device_id_;
};
/*! \brief Pytorch custom class to call TVM graph runtime */
class TvmGraphRuntimeClass : public BaseTvmClass {
public:
TvmGraphRuntimeClass(const int64_t num_inputs, const int64_t num_outputs,
const std::string& device)
: BaseTvmClass(num_inputs, num_outputs, device) {}
/*!
* \brief Module forward.
*
* \param inputs Inputs with type List[Tensor].
*
* \return outputs with type List[Tensor].
*/
c10::List<at::Tensor> forward(const c10::List<at::Tensor>& inputs) override {
CHECK_EQ(inputs.size(), num_inputs_);
auto shape_repr = TvmShapeRepr(GetShapes(inputs));
std::vector<DLTensor> args(num_inputs_ + num_outputs_);
auto iter = tvm_modules_.find(shape_repr);
CHECK(iter != tvm_modules_.end());
const auto& tvm_pack = iter->second;
std::vector<TensorAsBuf> buf_infos;
buf_infos.reserve(num_inputs_ + num_outputs_);
for (int i = 0; i < num_inputs_; ++i) {
at::Tensor inp = inputs[i];
CHECK(is_on_same_device(inp))
<< "input #" << i
<< " of forward is not on the same device with TvmGraphRuntime, expected " << device()
<< " but got " << inp.device().str();
inp = inp.contiguous();
buf_infos.emplace_back(inp);
auto& input_buf = buf_infos[i];
input_buf.CopyFromOrigin();
input_buf.MakeDLTensor(&args[i]);
tvm_pack.set_input(i, &args[i]);
}
// prepare output buffers
c10::List<at::Tensor> outputs;
outputs.reserve(num_outputs_);
for (int i = 0; i < num_outputs_; ++i) {
tvm::runtime::NDArray output_arr = tvm_pack.get_output(i);
std::vector<int64_t> output_shape(output_arr->shape, output_arr->shape + output_arr->ndim);
torch::ScalarType output_dtype = torch::ScalarType::Undefined;
CHECK(GetTorchDtype(output_arr.DataType(), &output_dtype));
CHECK(device_type_ == kDLCPU || device_type_ == kDLCUDA);
const c10::DeviceType pt_device_type = (device_type_ == kDLCUDA ? torch::kCUDA : torch::kCPU);
const auto options =
torch::TensorOptions().dtype(output_dtype).device(pt_device_type, device_id_);
outputs.emplace_back(torch::empty(output_shape, options));
buf_infos.emplace_back(outputs[i]);
auto& output_buf = buf_infos[num_inputs_ + i];
output_buf.MakeDLTensor(&args[num_inputs_ + i]);
tvm_pack.set_output(i, &args[num_inputs_ + i]);
}
tvm_pack.run();
for (int i = 0; i < num_outputs_; ++i) {
auto& output_buf = buf_infos[num_inputs_ + i];
output_buf.CopyToOrigin();
}
return outputs;
}
/*!
* \brief Load TVM graph runtime module.
*
* \param shapes Input shapes. List[List[int]].
* \param lib_path Path of .so lib file.
* \param graph_path Path of graph.json file.
* \param params_path Path of params data file.
*/
void LoadTvmModule(const c10::List<c10::List<int64_t>>& shapes, const std::string& lib_path,
const std::string& graph_path, const std::string& params_path) {
std::string path = TvmGraphModulePack::EncodePaths(lib_path, graph_path, params_path);
auto shape_repr = TvmShapeRepr(shapes);
auto it_find = tvm_modules_.find(shape_repr);
if (it_find != tvm_modules_.end()) {
tvm_modules_.erase(it_find);
}
const auto it =
tvm_modules_.emplace(shape_repr, TvmGraphModulePack(path, device_type_, device_id_)).first;
if (it->second.num_outputs() != num_outputs_) {
LOG(FATAL) << "tvm class num outputs mismatch, expected " << num_outputs_ << ", got "
<< it->second.num_outputs();
}
}
const std::map<std::string, TvmGraphModulePack>& tvm_modules() const { return tvm_modules_; }
/*!
* \brief Serialize TVM modules to shape map.
*
* \return shape_path_map Dict of shape_repr to path.
*/
c10::Dict<std::string, std::string> SerializeTvmModules() const override {
c10::Dict<std::string, std::string> shape_path_map;
for (const auto& entry : tvm_modules()) {
shape_path_map.insert(entry.first, entry.second.path());
}
return shape_path_map;
}
/*!
* \brief Deserialize TVM modules from shape map.
*
* \param shape_path_map Dict of shape_repr to path.
*/
void DeserializeTvmModules(const c10::Dict<std::string, std::string>& shape_path_map) override {
tvm_modules_.clear();
for (const auto& entry : shape_path_map) {
const auto& shape_repr = entry.key();
const auto& path = entry.value();
tvm_modules_.emplace(shape_repr, TvmGraphModulePack(path, device_type_, device_id_));
}
}
/*!
* \brief Move the TVM modules to given device.
*
* \param device String repr of the device to be moved to.
*/
void to(const std::string& device) override {
if (device != this->device()) {
auto torch_device = torch::Device(device);
device_type_ = torch_device.is_cuda() ? kDLCUDA : kDLCPU;
device_id_ = torch_device.index();
DeserializeTvmModules(SerializeTvmModules());
}
}
private:
std::map<std::string, TvmGraphModulePack> tvm_modules_;
};
/*! \brief Pytorch custom class to call TVM graph runtime */
class TvmVMRuntimeClass : public BaseTvmClass {
public:
TvmVMRuntimeClass(const int64_t num_inputs, const int64_t num_outputs, const std::string& device)
: BaseTvmClass(num_inputs, num_outputs, device) {}
/*!
* \brief Module forward.
*
* \param inputs Inputs with type List[Tensor].
*
* \return outputs with type List[Tensor].
*/
c10::List<at::Tensor> forward(const c10::List<at::Tensor>& inputs) override {
// get inputs repr str
auto shape_repr = TvmShapeRepr(GetShapes(inputs));
// get tvm pack
auto iter = tvm_modules_.find(shape_repr);
CHECK(iter != tvm_modules_.end()) << "tvm module pack not found for shape_repr " << shape_repr;
const auto& tvm_pack = iter->second;
// input tensors
CHECK_EQ(inputs.size(), num_inputs_);
std::vector<DLTensor> args(num_inputs_);
std::vector<tvm::runtime::NDArray> args_arr(num_inputs_);
for (int i = 0; i < num_inputs_; ++i) {
TensorAsBuf input_buf(inputs[i]);
input_buf.CopyFromOrigin();
input_buf.MakeDLTensor(&args[i]);
args_arr[i] =
tvm::runtime::NDArray::FromDLPack(new DLManagedTensor({args[i], nullptr, nullptr}));
}
// set input
std::vector<TVMValue> tvm_values(num_inputs_ + 1);
std::vector<int> tvm_type_codes(num_inputs_ + 1);
tvm::runtime::TVMArgsSetter setter(tvm_values.data(), tvm_type_codes.data());
setter(0, "main");
for (int k = 0; k < num_inputs_; ++k) {
setter(k + 1, args_arr[k]);
}
tvm_pack.set_input.CallPacked(
tvm::runtime::TVMArgs(tvm_values.data(), tvm_type_codes.data(), num_inputs_ + 1), nullptr);
// run tvm
tvm::runtime::TVMRetValue ret = tvm_pack.invoke("main");
// get outputs
std::vector<tvm::runtime::NDArray> output_arrs(num_outputs_);
auto output_mismatch_msg = [](int actual, int expected) {
std::stringstream ss;
ss << "num_outputs not equal, actual:[" << actual << "] != expected:[" << expected << "]";
return ss.str();
};
if (ret.type_code() == kTVMNDArrayHandle) {
CHECK_EQ(num_outputs_, 1) << output_mismatch_msg(1, num_outputs_);
output_arrs.at(0) = ret.AsObjectRef<tvm::runtime::NDArray>();
} else if (ret.type_code() == kTVMObjectHandle) {
const auto& adt = ret.AsObjectRef<tvm::runtime::ADT>();
CHECK_EQ(adt.size(), num_outputs_) << output_mismatch_msg(adt.size(), num_outputs_);
for (size_t i = 0; i < adt.size(); ++i) {
CHECK(adt[i]->IsInstance<tvm::runtime::NDArray::ContainerType>())
<< "adt elements not tvm::runtime::NDArray";
output_arrs.at(i) = tvm::runtime::Downcast<tvm::runtime::NDArray>(adt[i]);
}
} else {
LOG(FATAL) << "unsupported return type with type_code = " << ret.type_code();
}
std::vector<DLTensor> output_args(num_outputs_);
c10::List<at::Tensor> outputs;
outputs.reserve(num_outputs_);
for (int i = 0; i < num_outputs_; ++i) {
const auto& output_arr = output_arrs[i];
std::vector<int64_t> output_shape(output_arr->shape, output_arr->shape + output_arr->ndim);
torch::ScalarType output_dtype = torch::ScalarType::Undefined;
CHECK(GetTorchDtype(output_arr.DataType(), &output_dtype));
CHECK(device_type_ == kDLCPU || device_type_ == kDLCUDA);
const c10::DeviceType pt_device_type = (device_type_ == kDLCUDA ? torch::kCUDA : torch::kCPU);
const auto options =
torch::TensorOptions().dtype(output_dtype).device(pt_device_type, device_id_);
outputs.emplace_back(torch::empty(output_shape, options));
TensorAsBuf output_buf(outputs[i]);
output_buf.MakeDLTensor(&output_args[i]);
output_arr.CopyTo(&output_args[i]);
output_buf.CopyToOrigin();
}
return outputs;
}
/*!
* \brief Load TVM vm runtime module.
*
* \param shapes Input shapes. List[List[int]].
* \param lib_path Path of .so lib file.
* \param code_path Path of code file. Typically named code.ro
*/
void LoadTvmModule(const c10::List<c10::List<int64_t>>& shapes, const std::string& lib_path,
const std::string& code_path) {
std::string path = TvmVMModulePack::EncodePaths(lib_path, code_path);
auto shape_repr = TvmShapeRepr(shapes);
auto it_find = tvm_modules_.find(shape_repr);
if (it_find != tvm_modules_.end()) {
tvm_modules_.erase(it_find);
}
tvm_modules_.emplace(shape_repr, TvmVMModulePack(path, device_type_, device_id_));
}
const std::map<std::string, TvmVMModulePack>& tvm_modules() const { return tvm_modules_; }
/*!
* \brief Serialize TVM modules to shape map.
*
* \return shape_path_map Dict of shape_repr to path.
*/
c10::Dict<std::string, std::string> SerializeTvmModules() const override {
c10::Dict<std::string, std::string> shape_path_map;
for (const auto& entry : tvm_modules()) {
shape_path_map.insert(entry.first, entry.second.path());
}
return shape_path_map;
}
/*!
* \brief Deserialize TVM modules from shape map.
*
* \param shape_path_map Dict of shape_repr to path.
*/
void DeserializeTvmModules(const c10::Dict<std::string, std::string>& shape_path_map) override {
tvm_modules_.clear();
for (const auto& entry : shape_path_map) {
const auto& shape_repr = entry.key();
const auto& path = entry.value();
tvm_modules_.emplace(shape_repr, TvmVMModulePack(path, device_type_, device_id_));
}
}
/*!
* \brief Move the TVM modules to given device.
*
* \param device String repr of the device to be moved to.
*/
void to(const std::string& device) override {
if (device != this->device()) {
auto torch_device = torch::Device(device);
device_type_ = torch_device.is_cuda() ? kDLCUDA : kDLCPU;
device_id_ = torch_device.index();
DeserializeTvmModules(SerializeTvmModules());
}
}
private:
std::map<std::string, TvmVMModulePack> tvm_modules_;
};
// <num_inputs, num_outputs, device, shape_path_map>
using SerializeTuple =
std::tuple<int64_t, int64_t, std::string, c10::Dict<std::string, std::string>>;
/***** registries *****/
static auto __tvm_dsoop_graph_runtime_registry =
torch::jit::class_<TvmGraphRuntimeClass>("tvm_dsoop", "TvmGraphModule")
.def(torch::init<const int64_t, const int64_t, const std::string&>())
.def("load_tvm_module", &TvmGraphRuntimeClass::LoadTvmModule)
.def("forward", &TvmGraphRuntimeClass::forward)
.def("to", &TvmGraphRuntimeClass::to)
.def_pickle(
[](const c10::intrusive_ptr<TvmGraphRuntimeClass>& self) -> SerializeTuple {
return std::make_tuple(self->num_inputs(), self->num_outputs(), self->device(),
self->SerializeTvmModules());
},
[](SerializeTuple tuple) -> c10::intrusive_ptr<TvmGraphRuntimeClass> {
auto ptr = c10::make_intrusive<TvmGraphRuntimeClass>(
/*num_inputs=*/std::get<0>(tuple),
/*num_outputs=*/std::get<1>(tuple),
/*device=*/std::get<2>(tuple));
ptr->DeserializeTvmModules(std::get<3>(tuple));
return ptr;
});
static auto __tvm_dsoop_vm_runtime_registry =
torch::jit::class_<TvmVMRuntimeClass>("tvm_dsoop", "TvmVMModule")
.def(torch::init<const int64_t, const int64_t, const std::string&>())
.def("load_tvm_module", &TvmVMRuntimeClass::LoadTvmModule)
.def("forward", &TvmVMRuntimeClass::forward)
.def("to", &TvmVMRuntimeClass::to)
.def_pickle(
[](const c10::intrusive_ptr<TvmVMRuntimeClass>& self) -> SerializeTuple {
return std::make_tuple(self->num_inputs(), self->num_outputs(), self->device(),
self->SerializeTvmModules());
},
[](SerializeTuple tuple) -> c10::intrusive_ptr<TvmVMRuntimeClass> {
auto ptr = c10::make_intrusive<TvmVMRuntimeClass>(
/*num_inputs=*/std::get<0>(tuple),
/*num_outputs=*/std::get<1>(tuple),
/*device=*/std::get<2>(tuple));
ptr->DeserializeTvmModules(std::get<3>(tuple));
return ptr;
});
static auto __tvm_shape_repr_fn_registry =
torch::RegisterOperators("tvm_dsoop::tvm_shape_repr", &BaseTvmClass::TvmShapeRepr);
} // namespace pytorch
} // namespace contrib
} // namespace tvm