Transfer files from RAD repository
Αυτή η υποβολή περιλαμβάνεται σε:
Brandon Potter
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/******************************************************************************
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* Copyright (c) 2024 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
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell 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
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* all 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
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*****************************************************************************/
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#include "random_access_tester.hpp"
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#include <roc_shmem/roc_shmem.hpp>
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using namespace rocshmem;
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/******************************************************************************
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* DEVICE TEST KERNEL
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*****************************************************************************/
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__device__ bool thread_passing(int num_bins, uint32_t *bin_threads,
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uint32_t *off_bins, uint32_t *PE_bins,
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int *offset, int *PE, int coal_coef, int size) {
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bool pass = false;
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int wave_id = ((hipThreadIdx_x + hipBlockIdx_x * hipBlockDim_x) /
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64); // get_global_wave_id();
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int off = wave_id * num_bins;
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for (int i = 0; i < num_bins; i++) {
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if (((hipThreadIdx_x % 64) >= bin_threads[i + off]) &&
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((hipThreadIdx_x % 64) < bin_threads[i + off] + coal_coef)) {
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pass = true;
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*offset = off_bins[i + off] +
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(((hipThreadIdx_x % 64) - bin_threads[i + off]) * size);
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*PE = PE_bins[i + off];
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}
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}
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return pass;
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}
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__global__ void RandomAccessTest(int loop, int skip, uint64_t *timer,
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int *s_buf, int *r_buf, int size, OpType type,
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int coal_coef, int num_bins, int num_waves,
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uint32_t *threads_bins, uint32_t *off_bins,
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uint32_t *PE_bins, ShmemContextType ctx_type) {
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uint64_t start;
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__shared__ roc_shmem_ctx_t ctx;
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roc_shmem_wg_init();
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roc_shmem_wg_ctx_create(ctx_type, &ctx);
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int pe = roc_shmem_ctx_my_pe(ctx);
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int offset;
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int PE;
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if (thread_passing(num_bins, threads_bins, off_bins, PE_bins, &offset, &PE,
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coal_coef, (size / sizeof(int))) == true) {
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s_buf = s_buf + offset;
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r_buf = r_buf + offset;
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for (int i = 0; i < loop + skip; i++) {
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if (i == skip) start = roc_shmem_timer();
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switch (type) {
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case GetType:
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roc_shmem_ctx_getmem(ctx, r_buf, s_buf, size, PE);
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break;
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case PutType:
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roc_shmem_ctx_putmem(ctx, (char *)r_buf, (char *)s_buf, size, PE);
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break;
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default:
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break;
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}
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}
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roc_shmem_ctx_quiet(ctx);
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atomicAdd((unsigned long long *)&timer[hipBlockIdx_x],
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roc_shmem_timer() - start);
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}
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roc_shmem_wg_ctx_destroy(&ctx);
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roc_shmem_wg_finalize();
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}
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/******************************************************************************
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* HOST HELPER FUNCTIONS
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****************************************************************************/
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__host__ void init_bins(int num_bins, int num_waves, uint32_t *off_bins,
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uint32_t *threads_bins, uint32_t *PE_bins, int size,
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int coal_coef, int num_pes, int max_size) {
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srand(time(NULL));
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for (int j = 0; j < num_waves; j++) {
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for (int i = 0; i < num_bins; i++) {
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int current_bin = j * num_bins + i;
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assert((64 % num_bins) == 0);
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int quad_size = 64 / num_bins;
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int allowed_index_range = quad_size - coal_coef - 1;
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assert(allowed_index_range >= 0);
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int rand_val = 0;
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if (allowed_index_range) rand_val = rand() % allowed_index_range;
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threads_bins[current_bin] = rand_val + i * quad_size;
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quad_size = max_size / (num_bins + num_waves);
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rand_val = rand() % (quad_size - (size * coal_coef - 1));
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off_bins[current_bin] = rand_val + current_bin * quad_size;
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PE_bins[current_bin] = rand() % num_pes;
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}
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}
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}
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/******************************************************************************
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* HOST TESTER CLASS METHODS
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*****************************************************************************/
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RandomAccessTester::RandomAccessTester(TesterArguments args) : Tester(args) {
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int max_size = args.max_msg_size;
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int wg_size = args.wg_size;
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_num_waves = (args.wg_size / 64) * args.num_wgs;
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_num_bins = args.thread_access / args.coal_coef;
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assert((args.wg_size / 64) <= 1);
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s_buf = (int *)roc_shmem_malloc(max_size * wg_size * space);
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r_buf = (int *)roc_shmem_malloc(max_size * wg_size * space);
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h_buf = (int *)malloc(max_size * wg_size * space);
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h_dev_buf = (int *)malloc(max_size * wg_size * space);
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hipMalloc((void **)&_threads_bins, sizeof(uint32_t) * _num_waves * _num_bins);
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hipMalloc((void **)&_off_bins, sizeof(uint32_t) * _num_waves * _num_bins);
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hipMalloc((void **)&_PE_bins, sizeof(uint32_t) * _num_waves * _num_bins);
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memset(_threads_bins, 0, sizeof(uint32_t) * _num_waves * _num_bins);
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memset(_off_bins, 0, sizeof(uint32_t) * _num_waves * _num_bins);
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memset(_PE_bins, 0, sizeof(uint32_t) * _num_waves * _num_bins);
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}
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RandomAccessTester::~RandomAccessTester() {
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roc_shmem_free(s_buf);
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roc_shmem_free(r_buf);
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free(h_buf);
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free(h_dev_buf);
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hipFree(_threads_bins);
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hipFree(_off_bins);
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hipFree(_PE_bins);
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}
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void RandomAccessTester::resetBuffers(uint64_t size) {
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for (int i = 0; i < args.max_msg_size / sizeof(int) * args.wg_size * space;
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i++) {
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s_buf[i] = 1;
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r_buf[i] = 0;
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h_buf[i] = 0;
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}
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}
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void RandomAccessTester::launchKernel(dim3 gridSize, dim3 blockSize, int loop,
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uint64_t size) {
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size_t shared_bytes = 0;
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int _thread_access = args.thread_access;
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int _coal_coef = args.coal_coef;
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assert(_coal_coef >= 1);
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assert(gridSize.x == 1 && gridSize.y == 1 && gridSize.z == 1);
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init_bins(_num_bins, _num_waves, _off_bins, _threads_bins, _PE_bins,
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size / sizeof(int), _coal_coef, args.numprocs,
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(space * size * args.wg_size) / sizeof(int));
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if (args.myid == 0) {
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hipLaunchKernelGGL(RandomAccessTest, gridSize, blockSize, shared_bytes,
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stream, loop, args.skip, timer, s_buf, r_buf, size,
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(OpType)args.op_type, _coal_coef, _num_bins, _num_waves,
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_threads_bins, _off_bins, _PE_bins, _shmem_context);
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}
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num_msgs = (loop + args.skip) * _num_waves * _thread_access;
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num_timed_msgs = loop * _num_waves * _thread_access;
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}
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void RandomAccessTester::verifyResults(uint64_t size) {
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int offset, i, j;
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for (int k = 0; k < _num_waves; k++) {
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for (i = 0; i < _num_bins; i++) {
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int index = i + _num_bins * k;
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if (args.op_type == PutType) {
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if (_PE_bins[index] == args.myid) {
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offset = _off_bins[index];
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for (j = 0; j < ((size / sizeof(int)) * args.coal_coef); j++) {
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h_buf[offset + j] = 1;
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}
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}
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} else {
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if (args.myid == 0) {
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offset = _off_bins[index];
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for (j = 0; j < ((size / sizeof(int)) * args.coal_coef); j++) {
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h_buf[offset + j] = 1;
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}
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}
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}
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}
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}
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hipMemcpy(h_dev_buf, r_buf, space * args.wg_size * size,
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hipMemcpyDeviceToHost);
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hipDeviceSynchronize();
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for (i = 0; i < (space * args.wg_size * size / sizeof(int)); i++) {
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if (h_dev_buf[i] != h_buf[i]) {
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printf("PE %d Got Data Validation: expecting %d got %d at %d \n",
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args.myid, h_buf[i], h_dev_buf[i], i);
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exit(-1);
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}
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}
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}
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