Rawat, Swati
97b7a6315d
* Update LICENSE * Update conf.py * Update copyright year * [fix] Update copyright year * Update copyright year "ROCm Developer Tools" * Add license headers to c++ files * Add license to *.py * Update licenses in rocdecode sources --------- Co-authored-by: srawat <120587655+SwRaw@users.noreply.github.com> Co-authored-by: Mythreya <mythreya.kuricheti@amd.com> Co-authored-by: Jonathan R. Madsen <jonathanrmadsen@gmail.com>
81 Zeilen
3.4 KiB
C++
81 Zeilen
3.4 KiB
C++
// MIT License
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//
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// Copyright (c) 2023-2025 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 "client.hpp"
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#define HIP_CALL(call) \
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do \
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{ \
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hipError_t err = call; \
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if(err != hipSuccess) \
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{ \
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fprintf(stderr, "%s\n", hipGetErrorString(err)); \
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abort(); \
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} \
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} while(0)
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__global__ void
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kernelA(int devid, volatile int* wait_on, int value, int* no_opt)
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{
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printf("[device=%i][begin] Wait on %i: %i (%i)\n", devid, value, *wait_on, *no_opt);
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while(*wait_on != value)
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{
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(*no_opt)++;
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};
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printf("[device=%i][break] Wait on %i: %i (%i)\n", devid, value, *wait_on, *no_opt);
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(*wait_on)--;
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printf("[device=%i][return] Wait on %i: %i (%i)\n", devid, value, *wait_on, *no_opt);
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}
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int
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main(int, char**)
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{
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int ntotdevice = 0;
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HIP_CALL(hipGetDeviceCount(&ntotdevice));
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if(ntotdevice < 2) return 0;
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start();
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volatile int* check_value = nullptr;
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int* no_opt_0 = nullptr;
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int* no_opt_1 = nullptr;
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HIP_CALL(hipMallocManaged(&check_value, sizeof(*check_value)));
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HIP_CALL(hipMallocManaged(&no_opt_0, sizeof(*no_opt_0)));
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HIP_CALL(hipMallocManaged(&no_opt_1, sizeof(*no_opt_1)));
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*no_opt_0 = 0;
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*no_opt_1 = 0;
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*check_value = 1;
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// Will hang if per-device serialization is not functional
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HIP_CALL(hipSetDevice(0));
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hipLaunchKernelGGL(kernelA, dim3(1), dim3(1), 0, 0, 0, check_value, 0, no_opt_0);
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HIP_CALL(hipSetDevice(1));
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hipLaunchKernelGGL(kernelA, dim3(1), dim3(1), 0, 0, 1, check_value, 1, no_opt_1);
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HIP_CALL(hipSetDevice(0));
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HIP_CALL(hipDeviceSynchronize());
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std::cerr << "Run complete\n";
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}
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