Files
vllm/csrc/moe/dsv3_router_gemm_utils.h
2026-02-23 14:02:26 +00:00

44 lines
1.4 KiB
C++

/*
* Adapted from SGLang's sgl-kernel implementation, which was adapted from
* https://github.com/NVIDIA/TensorRT-LLM/blob/main/cpp/tensorrt_llm/kernels/dsv3MinLatencyKernels/dsv3RouterGemm.cu
* https://github.com/NVIDIA/TensorRT-LLM/blob/main/cpp/tensorrt_llm/thop/dsv3RouterGemmOp.cpp
*
* Copyright (c) 2019-2023, NVIDIA CORPORATION. All rights reserved.
*
* 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.
*/
#pragma once
#include <ATen/cuda/CUDAContext.h>
#include <cstdlib>
#include <mutex>
inline int getSMVersion() {
auto* props = at::cuda::getCurrentDeviceProperties();
return props->major * 10 + props->minor;
}
inline bool getEnvEnablePDL() {
static std::once_flag flag;
static bool enablePDL = false;
std::call_once(flag, [&]() {
if (getSMVersion() >= 90) {
const char* env = std::getenv("TRTLLM_ENABLE_PDL");
enablePDL = env && env[0] == '1' && env[1] == '\0';
}
});
return enablePDL;
}