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43 lines
1.3 KiB
Plaintext
43 lines
1.3 KiB
Plaintext
/*
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* Copyright (c) 2020-2024, 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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#include "tensorrt_llm/common/config.h"
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#include "tensorrt_llm/common/cudaUtils.h"
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#include "tensorrt_llm/kernels/delayStream.h"
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using namespace tensorrt_llm::common;
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TRTLLM_NAMESPACE_BEGIN
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namespace kernels
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{
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__global__ void delayStreamKernel(long long delay_micro_secs)
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{
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for (int i = 0; i < delay_micro_secs; ++i)
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{
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// The largest delay __nanosleep can do is 1 millisecond, thus we use for loop to achieve longer delay.
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__nanosleep(1000);
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}
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}
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void invokeDelayStreamKernel(long long delay_micro_secs, cudaStream_t stream)
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{
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delayStreamKernel<<<1, 1, 0, stream>>>(delay_micro_secs);
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check_cuda_error(cudaGetLastError());
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}
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} // namespace kernels
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TRTLLM_NAMESPACE_END
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