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078919b6b4
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59 lines
1.6 KiB
Plaintext
59 lines
1.6 KiB
Plaintext
/*
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* Copyright 2020 NVIDIA Corporation
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*
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* Licensed under the Apache License, Version 2.0 with the LLVM exception
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* (the "License"); you may not use this file except in compliance with
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* the License.
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*
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* You may obtain a copy of the License at
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*
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* http://llvm.org/foundation/relicensing/LICENSE.txt
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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 <nvbench/cuda_timer.cuh>
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#include <nvbench/cuda_stream.cuh>
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#include <nvbench/types.cuh>
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#include "sleep_kernel.cuh"
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#include "test_asserts.cuh"
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#include <fmt/format.h>
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void test_basic(cudaStream_t time_stream,
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cudaStream_t exec_stream,
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bool expected)
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{
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nvbench::cuda_timer timer;
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NVBENCH_CUDA_CALL(cudaDeviceSynchronize());
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timer.start(time_stream);
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sleep_kernel<<<1, 1, 0, exec_stream>>>(0.25);
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timer.stop(time_stream);
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NVBENCH_CUDA_CALL(cudaDeviceSynchronize());
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const bool captured = timer.get_duration() > 0.25;
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ASSERT_MSG(captured == expected,
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"Unexpected result from timer: {} seconds (expected {})",
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timer.get_duration(),
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(expected ? "> 0.25s" : "< 0.25s"));
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}
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void test_basic()
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{
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nvbench::cuda_stream stream1;
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nvbench::cuda_stream stream2;
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test_basic(stream1, stream1, true);
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test_basic(stream1, stream2, false);
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}
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int main() { test_basic(); }
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