Istvan Kiss
197f73dac9
* Add examples to tools folder * Correct P2P memory access section * Sync poriting guide * Add HIP Graph tutorial * Add hint about using amdgpu-dkms for IPC API * Add a few more env variables
67 строки
2.3 KiB
Plaintext
67 строки
2.3 KiB
Plaintext
// MIT License
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//
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// Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include <hip/hip_runtime.h>
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#include <cstdlib>
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#include <iostream>
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#define HIP_CHECK(expression) \
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{ \
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const hipError_t status = expression; \
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if(status != hipSuccess) \
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{ \
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std::cerr << "HIP error " \
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<< status << ": " \
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<< hipGetErrorString(status) \
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<< " at " << __FILE__ << ":" \
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<< __LINE__ << std::endl; \
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} \
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}
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// [sphinx-kernel-start]
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__global__ void kernel()
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{
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long long int start = clock64();
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// kernel code
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long long int stop = clock64();
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long long int cycles = stop - start;
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}
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// [sphinx-kernel-end]
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int main()
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{
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int deviceId = 0;
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// [sphinx-query-start]
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int wallClkRate = 0; //in kilohertz
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HIP_CHECK(hipDeviceGetAttribute(&wallClkRate, hipDeviceAttributeWallClockRate, deviceId));
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// [sphinx-query-end]
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kernel<<<dim3{1, 1, 1}, dim3{32,1,1}>>>();
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HIP_CHECK(hipDeviceSynchronize());
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std::cout << "Device's wall clock rate is " << wallClkRate << " kHz." << std::endl;
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return EXIT_SUCCESS;
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}
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