mirror of
https://github.com/ROCm/composable_kernel.git
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6e76b82059
* Fix build errors on windows * correct clang format --------- Co-authored-by: Lin, Qun <Quentin.Lin+amdeng@amd.com>
62 lines
1.0 KiB
C++
62 lines
1.0 KiB
C++
// SPDX-License-Identifier: MIT
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// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
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#pragma once
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#include "ck/ck.hpp"
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namespace ck {
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__device__ void block_sync_lds()
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{
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#if CK_EXPERIMENTAL_BLOCK_SYNC_LDS_WITHOUT_SYNC_VMEM
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#ifdef __gfx12__
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asm volatile("\
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s_wait_dscnt 0x0 \n \
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s_barrier_signal -1 \n \
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s_barrier_wait -1 \
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" ::);
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#else
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// asm volatile("\
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// s_waitcnt lgkmcnt(0) \n \
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// s_barrier \
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// " ::);
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__builtin_amdgcn_s_waitcnt(0xc07f);
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__builtin_amdgcn_s_barrier();
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#endif
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#else
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__syncthreads();
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#endif
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}
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__device__ void block_sync_lds_direct_load()
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{
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#ifdef __gfx12__
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asm volatile("\
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s_wait_loadcnt 0x0 \n \
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s_wait_dscnt 0x0 \n \
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s_barrier_signal -1 \n \
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s_barrier_wait -1 \
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" ::);
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#else
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asm volatile("\
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s_waitcnt vmcnt(0) \n \
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s_waitcnt lgkmcnt(0) \n \
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s_barrier \
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" ::);
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#endif
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}
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__device__ void s_nop()
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{
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#if 1
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asm volatile("\
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s_nop 0 \n \
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" ::);
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#else
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__builtin_amdgcn_sched_barrier(0);
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#endif
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}
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} // namespace ck
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