77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
/***************************************************************************************************
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* Copyright (c) 2023 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************************/
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#pragma once
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#if !defined(__CUDACC_RTC__)
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#include "cuda_runtime.h"
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#include "cutlass/trace.h"
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#endif
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namespace cutlass {
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struct KernelHardwareInfo {
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//
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// Data members
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//
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int device_id = 0;
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int sm_count = 0;
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//
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// Methods
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//
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#if !defined(__CUDACC_RTC__)
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static inline int
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query_device_multiprocessor_count(int device_id = 0) {
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cudaError_t result = cudaGetDevice(&device_id);
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if (result != cudaSuccess) {
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CUTLASS_TRACE_HOST(
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" cudaGetDevice() returned error "
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<< cudaGetErrorString(result));
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return 0;
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}
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int multiprocessor_count;
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result = cudaDeviceGetAttribute(&multiprocessor_count,
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cudaDevAttrMultiProcessorCount, device_id);
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if (result != cudaSuccess) {
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CUTLASS_TRACE_HOST(
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" cudaDeviceGetAttribute() returned error "
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<< cudaGetErrorString(result));
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return 0;
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}
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return multiprocessor_count;
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}
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#endif
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};
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} // namespace cutlass
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