Add 'projects/rocshmem/' from commit '0496586829058af5cfd7f23acda2a6d0040da584'

git-subtree-dir: projects/rocshmem git-subtree-mainline: 5fd976da70 git-subtree-split: 0496586829
2026-01-21 20:25:37 +00:00
parent 5fd976da70 0496586829
commit 12ab8df3bc
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+/******************************************************************************
+ * Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *****************************************************************************/
+
+#include "wavefront_primitives.hpp"
+
+#include <rocshmem/rocshmem.hpp>
+
+#include <numeric>
+
+using namespace rocshmem;
+
+/******************************************************************************
+ * DEVICE TEST KERNEL
+ *****************************************************************************/
+__global__ void WaveFrontPrimitiveTest(int loop, int skip,
+                                       long long int *start_time,
+                                       long long int *end_time, char *source,
+                                       char *dest, size_t size, TestType type,
+                                       ShmemContextType ctx_type,
+                                       int wf_size) {
+  __shared__ rocshmem_ctx_t ctx;
+  int wg_id = get_flat_grid_id();
+
+  rocshmem_wg_ctx_create(ctx_type, &ctx);
+
+  // Calculate start index for each wavefront
+  int wf_id = get_flat_block_id() / wf_size;
+  int wg_offset = wg_id * ((get_flat_block_size() - 1 ) / wf_size + 1);
+  int idx = wf_id + wg_offset;
+  size_t offset = size * idx;
+  source += offset;
+  dest += offset;
+
+  for (int i = 0; i < loop + skip; i++) {
+    if (i == skip) {
+      // Ensures all RMA calls from the skip loops are completed
+      rocshmem_ctx_quiet(ctx);
+      __syncthreads();
+      if (is_thread_zero_in_wave()) {
+        start_time[idx] = wall_clock64();
+      }
+    }
+    switch (type) {
+      case WAVEGetTestType:
+        rocshmem_ctx_getmem_wave(ctx, dest, source, size, 1);
+        break;
+      case WAVEGetNBITestType:
+        rocshmem_ctx_getmem_nbi_wave(ctx, dest, source, size, 1);
+        break;
+      case WAVEPutTestType:
+        rocshmem_ctx_putmem_wave(ctx, dest, source, size, 1);
+        break;
+      case WAVEPutNBITestType:
+        rocshmem_ctx_putmem_nbi_wave(ctx, dest, source, size, 1);
+        break;
+      default:
+        break;
+    }
+  }
+
+  rocshmem_ctx_quiet(ctx);
+  if (is_thread_zero_in_wave()) {
+    end_time[idx] = wall_clock64();
+  }
+
+  rocshmem_wg_ctx_destroy(&ctx);
+}
+
+/******************************************************************************
+ * HOST TESTER CLASS METHODS
+ *****************************************************************************/
+WaveFrontPrimitiveTester::WaveFrontPrimitiveTester(TesterArguments args)
+    : Tester(args) {
+  size_t buff_size = args.max_msg_size * args.num_wgs * num_warps;
+  source = (char *)rocshmem_malloc(buff_size);
+  dest = (char *)rocshmem_malloc(buff_size);
+
+  if (source == nullptr || dest == nullptr) {
+    std::cerr << "Error allocating memory from symmetric heap" << std::endl;
+    std::cerr << "source: " << source << ", dest: " << dest << std::endl;
+    if (source) {
+      rocshmem_free(source);
+    }
+    if (dest) {
+      rocshmem_free(dest);
+    }
+    rocshmem_global_exit(1);
+  }
+
+  for(size_t i = 0; i < buff_size; i++) {
+    source[i] = static_cast<char>('a' + i % 26);
+  }
+}
+
+WaveFrontPrimitiveTester::~WaveFrontPrimitiveTester() {
+  rocshmem_free(source);
+  rocshmem_free(dest);
+}
+
+void WaveFrontPrimitiveTester::resetBuffers(size_t size) {
+  size_t buff_size = size * args.num_wgs * num_warps;
+  memset(dest, '1', buff_size);
+}
+
+void WaveFrontPrimitiveTester::launchKernel(dim3 gridSize, dim3 blockSize,
+                                           int loop, size_t size) {
+  size_t shared_bytes = 0;
+
+  hipLaunchKernelGGL(WaveFrontPrimitiveTest, gridSize, blockSize, shared_bytes,
+                     stream, loop, args.skip, start_time, end_time,
+                     source, dest, size, _type, _shmem_context,
+                     wf_size);
+
+  num_msgs = (loop + args.skip) * gridSize.x * num_warps;
+  num_timed_msgs = loop * gridSize.x * num_warps;
+}
+
+void WaveFrontPrimitiveTester::verifyResults(size_t size) {
+  int check_id = (_type == WAVEGetTestType || _type == WAVEGetNBITestType)
+                     ? 0
+                     : 1;
+
+  if (args.myid == check_id) {
+    size_t buff_size = size * args.num_wgs * num_warps;
+    size_t verify_wg_size = std::min((size_t) 1024, buff_size);
+    size_t verify_num_wgs = buff_size / verify_wg_size;
+
+    hipLaunchKernelGGL(verify_results_kernel_char, verify_num_wgs, verify_wg_size, 0, stream,
+                       source, dest, buff_size, verification_error);
+    CHECK_HIP(hipStreamSynchronize(stream));
+
+    if (*verification_error) {
+      for (size_t i = 0; i < buff_size; i++) {
+        if (dest[i] != source[i]) {
+          std::cerr << "Data validation error at idx " << i << std::endl;
+          std::cerr << " Got " << dest[i] << ", Expected "
+                    << source[i] << std::endl;
+          exit(-1);
+        }
+      }
+      *verification_error = false;
+    }
+  }
+}