31d3ee99bb
Fixed xllm internal paths to our headers/ directory: kernels/cuda/device_utils.cuh → device_utils.cuh core/kernels/cuda/device_utils.cuh → device_utils.cuh core/kernels/cuda/arch_condition.h → arch_condition.h (copied)
109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
/*
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* Copyright (c) 2022-2025, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// refers to
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// https://github.com/NVIDIA/TensorRT-LLM/blob/main/cpp/include/tensorrt_llm/kernels/archCondition.h
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#pragma once
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namespace xllm::kernel::cuda {
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namespace detail {
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#ifdef __CUDA_ARCH__
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// __CUDA_ARCH_SPECIFIC__ is only available starting from CUDA 12.9
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#if (__CUDACC_VER_MAJOR__ > 12 || \
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(__CUDACC_VER_MAJOR__ == 12 && __CUDACC_VER_MINOR__ >= 9))
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#define HAS_CUDA_SPECIFIC_MACRO 1
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#if __CUDA_ARCH__ >= 900
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#if !defined(__CUDA_ARCH_SPECIFIC__) && !defined(__CUDA_ARCH_FAMILY_SPECIFIC__)
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#error \
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"Compiling for SM90 or newer architectures must use Arch specific or Arch Family specific target"
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#endif
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#endif
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#else
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#define HAS_CUDA_SPECIFIC_MACRO 0
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#endif
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// For CUDA < 12.9, we assume that sm90 or newer architectures are always built
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// with arch specific.
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#if defined(__CUDA_ARCH_SPECIFIC__) || \
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(!HAS_CUDA_SPECIFIC_MACRO && __CUDA_ARCH__ >= 900)
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static constexpr bool isArchSpecific = true;
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#else
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static constexpr bool isArchSpecific = false;
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#endif
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struct arch_info {
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static constexpr bool mIsDevice = true;
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static constexpr bool mArchSpecific = isArchSpecific;
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static constexpr int mMajor = __CUDA_ARCH__ / 100;
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static constexpr int mMinor = __CUDA_ARCH__ / 10 % 10;
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static constexpr int mArch = __CUDA_ARCH__ / 10;
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};
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#else
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struct arch_info {
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static constexpr bool mIsDevice = false;
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static constexpr bool mArchSpecific = false;
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static constexpr int mMajor = 0;
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static constexpr int mMinor = 0;
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static constexpr int mArch = 0;
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};
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#endif
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} // namespace detail
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namespace arch {
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struct is_device : std::bool_constant<detail::arch_info::mIsDevice> {};
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struct is_arch_specific : std::bool_constant<detail::arch_info::mArchSpecific> {
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};
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template <int Arch>
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struct is_match
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: std::bool_constant<is_device::value && detail::arch_info::mArch == Arch> {
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};
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template <int Major>
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struct is_major : std::bool_constant<is_device::value &&
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detail::arch_info::mMajor == Major> {};
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template <int Arch>
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struct is_compatible : std::bool_constant<is_major<Arch>::value &&
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detail::arch_info::mArch >= Arch> {};
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inline constexpr bool is_device_v = is_device::value;
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inline constexpr bool is_arch_specific_v = is_arch_specific::value;
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template <int Arch>
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inline constexpr bool is_match_v = is_match<Arch>::value;
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template <int Major>
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inline constexpr bool is_major_v = is_major<Major>::value;
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template <int Arch>
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inline constexpr bool is_compatible_v = is_compatible<Arch>::value;
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} // namespace arch
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} // namespace xllm::kernel::cuda
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