Nives Vukovic
70 lignes
2.6 KiB
C++
70 lignes
2.6 KiB
C++
/*
|
|
Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
|
|
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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <hip_test_common.hh>
|
|
#include <hip/hip_cooperative_groups.h>
|
|
|
|
namespace {
|
|
#if (!__GFX8__ && !__GFX9__) || HT_NVIDIA
|
|
constexpr size_t kWarpSize = 32;
|
|
#else
|
|
constexpr size_t kWarpSize = 64;
|
|
#endif
|
|
constexpr int kMaxGPUs = 8;
|
|
} // namespace
|
|
|
|
__device__ inline unsigned int thread_rank_in_grid() {
|
|
const auto block_size = blockDim.x * blockDim.y * blockDim.z;
|
|
const auto block_rank_in_grid = (blockIdx.z * gridDim.y + blockIdx.y) * gridDim.x + blockIdx.x;
|
|
const auto thread_rank_in_block =
|
|
(threadIdx.z * blockDim.y + threadIdx.y) * blockDim.x + threadIdx.x;
|
|
return block_rank_in_grid * block_size + thread_rank_in_block;
|
|
}
|
|
|
|
static __device__ void busy_wait(unsigned long long wait_period) {
|
|
unsigned long long time_diff = 0;
|
|
unsigned long long last_clock = clock64();
|
|
while (time_diff < wait_period) {
|
|
unsigned long long cur_clock = clock64();
|
|
if (cur_clock > last_clock) {
|
|
time_diff += (cur_clock - last_clock);
|
|
}
|
|
last_clock = cur_clock;
|
|
}
|
|
}
|
|
|
|
template <class T> bool CheckDimensions(unsigned int device, T kernel, dim3 blocks, dim3 threads) {
|
|
hipDeviceProp_t props;
|
|
int max_blocks_per_sm = 0;
|
|
int num_sm = 0;
|
|
HIP_CHECK(hipSetDevice(device));
|
|
HIP_CHECK(hipOccupancyMaxActiveBlocksPerMultiprocessor(&max_blocks_per_sm, kernel,
|
|
threads.x * threads.y * threads.z, 0));
|
|
|
|
HIP_CHECK(hipGetDeviceProperties(&props, device));
|
|
num_sm = props.multiProcessorCount;
|
|
|
|
if ((blocks.x * blocks.y * blocks.z) > max_blocks_per_sm * num_sm) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
} |