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Copy pathutils.cpp
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167 lines (153 loc) · 4.81 KB
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/*
* SPDX-FileCopyrightText: Copyright (c) 1993-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/
#include "utils.h"
#if defined(_WIN32)
#if !defined(WIN32_LEAN_AND_MEAN)
#define WIN32_LEAN_AND_MEAN
#endif // defined(WIN32_LEAN_AND_MEAN)
#define NOMINMAX
#include <windows.h>
#else // defined(_WIN32)
#include <dlfcn.h>
#endif // defined(_WIN32)
namespace tensorrt
{
namespace utils
{
void issueDeprecationWarning(char const* useInstead)
{
std::string msg{"Use " + std::string{useInstead} + " instead."};
py::gil_scoped_acquire acquire{};
PyErr_WarnEx(PyExc_DeprecationWarning, msg.c_str(), 1);
}
void* nvdllOpen(char const* libName)
{
std::ostringstream fullLibName;
#if defined(_WIN32)
fullLibName << "nv" << libName << ".dll";
std::string strFullLibName = fullLibName.str();
return static_cast<void*>(LoadLibraryA(strFullLibName.c_str()));
#else // defined(_WIN32)
fullLibName << "lib" << libName << ".so.1";
std::string strFullLibName = fullLibName.str();
return dlopen(strFullLibName.c_str(), RTLD_LAZY);
#endif // defined(_WIN32)
}
void dllClose(void* handle)
{
if (handle)
{
#if defined(_WIN32)
FreeLibrary(static_cast<HMODULE>(handle));
#else // defined(_WIN32)
dlclose(handle);
#endif // defined(_WIN32)
}
}
void* dllGetSym(void* handle, char const* name)
{
#if defined(_WIN32)
return GetProcAddress(static_cast<HMODULE>(handle), name);
#else // defined(_WIN32)
return dlsym(handle, name);
#endif // defined(_WIN32)
}
// Returns the size in bytes of the specified data type.
size_t size(nvinfer1::DataType type)
{
switch (type)
{
case nvinfer1::DataType::kFLOAT: return 4;
case nvinfer1::DataType::kHALF: return 2;
case nvinfer1::DataType::kINT8: return 1;
case nvinfer1::DataType::kINT32: return 4;
case nvinfer1::DataType::kINT64: return 8;
case nvinfer1::DataType::kBOOL: return 1;
case nvinfer1::DataType::kUINT8: return 1;
case nvinfer1::DataType::kFP8: return 1;
case nvinfer1::DataType::kE8M0: return 1;
case nvinfer1::DataType::kBF16: return 2;
case nvinfer1::DataType::kINT4:
case nvinfer1::DataType::kFP4: break; // TRT-22011 - need to address sub-byte element size
}
return -1;
}
std::unique_ptr<py::dtype> nptype(nvinfer1::DataType type)
{
auto const makeDtype = [](char const* typeStr) { return std::make_unique<py::dtype>(typeStr); };
switch (type)
{
case nvinfer1::DataType::kFLOAT: return makeDtype("f4");
case nvinfer1::DataType::kHALF: return makeDtype("f2");
case nvinfer1::DataType::kINT8: return makeDtype("i1");
case nvinfer1::DataType::kINT32: return makeDtype("i4");
case nvinfer1::DataType::kINT64: return makeDtype("i8");
case nvinfer1::DataType::kBOOL: return makeDtype("b1");
case nvinfer1::DataType::kUINT8: return makeDtype("u1");
case nvinfer1::DataType::kFP8:
case nvinfer1::DataType::kBF16:
case nvinfer1::DataType::kINT4:
case nvinfer1::DataType::kFP4:
case nvinfer1::DataType::kE8M0: return nullptr;
}
return nullptr;
}
nvinfer1::DataType type(py::dtype const& type)
{
if (type.is(py::dtype("f4")))
{
return nvinfer1::DataType::kFLOAT;
}
else if (type.is(py::dtype("f2")))
{
return nvinfer1::DataType::kHALF;
}
else if (type.is(py::dtype("i8")))
{
return nvinfer1::DataType::kINT64;
}
else if (type.is(py::dtype("i4")))
{
return nvinfer1::DataType::kINT32;
}
else if (type.is(py::dtype("i1")))
{
return nvinfer1::DataType::kINT8;
}
else if (type.is(py::dtype("b1")))
{
return nvinfer1::DataType::kBOOL;
}
else if (type.is(py::dtype("u1")))
{
return nvinfer1::DataType::kUINT8;
}
int32_t constexpr kBITS_PER_BYTE{8};
std::stringstream ss{};
ss << "[TRT] [E] Could not implicitly convert NumPy data type: " << type.kind()
<< (type.itemsize() * kBITS_PER_BYTE) << " to TensorRT.";
std::cerr << ss.str() << std::endl;
PY_ASSERT_VALUE_ERROR(false, ss.str());
return nvinfer1::DataType::kFLOAT;
}
void throwPyError(PyObject* type, std::string const& message)
{
PyErr_SetString(type, message.data());
throw py::error_already_set();
}
} // namespace utils
} // namespace tensorrt