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71cd6d5533
* update flash-attn v1 * restore: hdim224 * add 224 flash_fwd_template * remove whitespace
43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
/******************************************************************************
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* Copyright (c) 2024, Tri Dao.
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******************************************************************************/
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#pragma once
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#include <tuple>
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#include <cstdio>
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#if !defined(__CUDACC_RTC__)
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#include "cuda_runtime.h"
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#endif
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#define CHECK_CUDA(call) \
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do { \
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cudaError_t status_ = call; \
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if (status_ != cudaSuccess) { \
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fprintf(stderr, "CUDA error (%s:%d): %s\n", __FILE__, __LINE__, \
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cudaGetErrorString(status_)); \
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exit(1); \
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} \
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} while (0)
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inline int get_current_device() {
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int device;
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CHECK_CUDA(cudaGetDevice(&device));
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return device;
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}
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inline std::tuple<int, int> get_compute_capability(int device) {
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int capability_major, capability_minor;
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CHECK_CUDA(cudaDeviceGetAttribute(&capability_major, cudaDevAttrComputeCapabilityMajor, device));
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CHECK_CUDA(cudaDeviceGetAttribute(&capability_minor, cudaDevAttrComputeCapabilityMinor, device));
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return {capability_major, capability_minor};
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}
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inline int get_num_sm(int device) {
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int multiprocessor_count;
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CHECK_CUDA(cudaDeviceGetAttribute(&multiprocessor_count, cudaDevAttrMultiProcessorCount, device));
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return multiprocessor_count;
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}
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