93 строки
2.7 KiB
C++
93 строки
2.7 KiB
C++
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// MIT License
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//
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// Copyright (c) 2023 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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//
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// undefine NDEBUG so asserts are implemented
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#ifdef NDEBUG
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# undef NDEBUG
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#endif
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/**
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* @file samples/code_object_isa_decode/client.cpp
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*
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* @brief Example rocprofiler client (tool)
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*/
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#include <cstdint>
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#include <cstdlib>
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#include <iostream>
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#include "hip/hip_runtime.h"
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// Three waves per SIMD on MI300
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#define DATA_SIZE (304 * 64 * 4 * 3)
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#define HIP_API_CALL(CALL) assert((CALL) == hipSuccess)
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template <typename T>
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__global__ void
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branching_kernel(T* __restrict__ a,
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const float* __restrict__ b,
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const float* __restrict__ c,
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int size)
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{
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int index = blockDim.x * blockIdx.x + threadIdx.x;
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if(blockIdx.x % 2 == 0)
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a[index] = b[index] + c[index];
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else
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a[index] = b[index] * c[index] - 2.0f;
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}
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class hipMemory
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{
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public:
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hipMemory(size_t size)
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{
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HIP_API_CALL(hipMalloc(&ptr, size * sizeof(float)));
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HIP_API_CALL(hipMemset(ptr, 0, size * sizeof(float)));
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}
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~hipMemory()
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{
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if(ptr) HIP_API_CALL(hipFree(ptr));
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}
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float* ptr = nullptr;
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};
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int
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main(int argc, char** argv)
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{
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hipMemory src1(DATA_SIZE);
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hipMemory src2(DATA_SIZE);
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hipMemory dst(DATA_SIZE);
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hipLaunchKernelGGL(branching_kernel,
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dim3(DATA_SIZE / 64),
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dim3(64),
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0,
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0,
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dst.ptr,
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src1.ptr,
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src2.ptr,
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DATA_SIZE);
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HIP_API_CALL(hipGetLastError());
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HIP_API_CALL(hipDeviceSynchronize());
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return 0;
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}
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