mirror of
https://github.com/ROCm/composable_kernel.git
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627054b941
* Add basic support for direct loads from global to LDS * Clean the code and comments * Add support for fp16 * Add comments * Add check for thread cluster lengths * Align non-direct-load fp16 example * Small fixes * Extend IsSupported to check for supported GPU gens * Build examples only on the supported HW * Do not throw when instance not supported in 04 example * Review: Apply review suggestions * Review: small fix * Review: small fix
43 lines
673 B
C++
43 lines
673 B
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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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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#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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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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}
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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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