File size: 2,182 Bytes
b024d42 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | // SPDX-License-Identifier: MIT
// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.
#pragma once
#include "ck_tile/core/config.hpp"
#include "ck_tile/host/hip_check_error.hpp"
#include <hip/hip_runtime.h>
#include <cstddef>
#include <chrono>
namespace ck_tile {
struct gpu_timer
{
CK_TILE_HOST gpu_timer()
{
HIP_CHECK_ERROR(hipEventCreate(&start_evt));
HIP_CHECK_ERROR(hipEventCreate(&stop_evt));
}
CK_TILE_HOST ~gpu_timer() noexcept(false)
{
HIP_CHECK_ERROR(hipEventDestroy(start_evt));
HIP_CHECK_ERROR(hipEventDestroy(stop_evt));
}
CK_TILE_HOST void start(const hipStream_t& s)
{
HIP_CHECK_ERROR(hipStreamSynchronize(s));
HIP_CHECK_ERROR(hipEventRecord(start_evt, s));
}
CK_TILE_HOST void stop(const hipStream_t& s)
{
HIP_CHECK_ERROR(hipEventRecord(stop_evt, s));
HIP_CHECK_ERROR(hipEventSynchronize(stop_evt));
}
// return in ms
CK_TILE_HOST float duration() const
{
float ms = 0;
HIP_CHECK_ERROR(hipEventElapsedTime(&ms, start_evt, stop_evt));
return ms;
}
private:
hipEvent_t start_evt, stop_evt;
};
struct cpu_timer
{
// torch.utils.benchmark.Timer(), there is a sync inside each timer callback
CK_TILE_HOST void start(const hipStream_t& s)
{
HIP_CHECK_ERROR(hipStreamSynchronize(s));
start_tick = std::chrono::high_resolution_clock::now();
}
// torch.utils.benchmark.Timer(), there is a sync inside each timer callback
CK_TILE_HOST void stop(const hipStream_t& s)
{
HIP_CHECK_ERROR(hipStreamSynchronize(s));
stop_tick = std::chrono::high_resolution_clock::now();
}
// return in ms
CK_TILE_HOST float duration() const
{
double sec =
std::chrono::duration_cast<std::chrono::duration<double>>(stop_tick - start_tick)
.count();
return static_cast<float>(sec * 1e3);
}
private:
std::chrono::time_point<std::chrono::high_resolution_clock> start_tick;
std::chrono::time_point<std::chrono::high_resolution_clock> stop_tick;
};
} // namespace ck_tile
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