1，不用 roctracer 的普通场景
mt.cpp
/* Copyright (c) 2018-2022 Advanced Micro Devices, Inc.
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 <iostream>
// hip header file
#include <hip/hip_runtime.h>
#define HIP_CALL(call) \
do { \
hipError_t err = call; \
if (err != hipSuccess) { \
fprintf(stderr, "%s\n", hipGetErrorString(err)); \
abort(); \
} \
} while (0)
#define WIDTH 1024
#define NUM (WIDTH * WIDTH)
#define THREADS_PER_BLOCK_X 4
#define THREADS_PER_BLOCK_Y 4
#define THREADS_PER_BLOCK_Z 1
// Device (Kernel) function, it must be void
__global__ void matrixTranspose(float* out, float* in, const int width) {
int x = hipBlockDim_x * hipBlockIdx_x + hipThreadIdx_x;
int y = hipBlockDim_y * hipBlockIdx_y + hipThreadIdx_y;
out[y * width + x] = in[x * width + y];
}
// CPU implementation of matrix transpose
void matrixTransposeCPUReference(float* output, float* input, const unsigned int width) {
for (unsigned int j = 0; j < width; j++) {
for (unsigned int i = 0; i < width; i++) {
output[i * width + j] = input[j * width + i];
}
}
}
int main() {
float* Matrix;
float* TransposeMatrix;
float* cpuTransposeMatrix;
float* gpuMatrix;
float* gpuTransposeMatrix;
hipDeviceProp_t devProp;
HIP_CALL(hipGetDeviceProperties(&devProp, 0));
std::cerr << "Device name " << devProp.name << std::endl;
int i;
int errors;
Matrix = (float*)malloc(NUM * sizeof(float));
TransposeMatrix = (float*)malloc(NUM * sizeof(float));
cpuTransposeMatrix = (float*)malloc(NUM * sizeof(float));
// initialize the input data
for (i = 0; i < NUM; i++) {
Matrix[i] = (float)i * 10.0f;
}
// allocate the memory on the device side
HIP_CALL(hipMalloc((void**)&gpuMatrix, NUM * sizeof(float)));
HIP_CALL(hipMalloc((void**)&gpuTransposeMatrix, NUM * sizeof(float)));
uint32_t iterations = 100;
while (iterations-- > 0) {
std::cerr << "## Iteration (" << iterations << ") #################" << std::endl;
// Memory transfer from host to device
HIP_CALL(hipMemcpy(gpuMatrix, Matrix, NUM * sizeof(float), hipMemcpyHostToDevice));
// Lauching kernel from host
hipLaunchKernelGGL(
matrixTranspose, dim3(WIDTH / THREADS_PER_BLOCK_X, WIDTH / THREADS_PER_BLOCK_Y),
dim3(THREADS_PER_BLOCK_X, THREADS_PER_BLOCK_Y), 0, 0, gpuTransposeMatrix, gpuMatrix, WIDTH);
HIP_CALL(
hipMemcpy(TransposeMatrix, gpuTransposeMatrix, NUM * sizeof(float), hipMemcpyDeviceToHost));
// CPU MatrixTranspose computation
matrixTransposeCPUReference(cpuTransposeMatrix, Matrix, WIDTH);
// verify the results
errors = 0;
double eps = 1.0E-6;
for (i = 0; i < NUM; i++) {
if (std::abs(TransposeMatrix[i] - cpuTransposeMatrix[i]) > eps) {
errors++;
}
}
if (errors != 0) {
fprintf(stderr, "FAILED: %d errors\n", errors);
} else {
fprintf(stderr, "PASSED!\n");
}
}
// free the resources on device side
HIP_CALL(hipFree(gpuMatrix));
HIP_CALL(hipFree(gpuTransposeMatrix));
// free the resources on host side
free(Matrix);
free(TransposeMatrix);
free(cpuTransposeMatrix);
return errors;
}编译：
$ hipcc mt.cpp -o mt
$ ./mt xxx
不会产生文件；
2，加入roctracer的源文件
MatrixTranspose.cpp：
/* Copyright (c) 2018-2022 Advanced Micro Devices, Inc.
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 <iostream>
// hip header file
#include <hip/hip_runtime.h>
#include "roctracer_ext.h"
// roctx header file
#include <roctx.h>
#define HIP_CALL(call) \
do { \
hipError_t err = call; \
if (err != hipSuccess) { \
fprintf(stderr, "%s\n", hipGetErrorString(err)); \
abort(); \
} \
} while (0)
#define WIDTH 1024
#define NUM (WIDTH * WIDTH)
#define THREADS_PER_BLOCK_X 4
#define THREADS_PER_BLOCK_Y 4
#define THREADS_PER_BLOCK_Z 1
// Device (Kernel) function, it must be void
__global__ void matrixTranspose(float* out, float* in, const int width) {
int x = hipBlockDim_x * hipBlockIdx_x + hipThreadIdx_x;
int y = hipBlockDim_y * hipBlockIdx_y + hipThreadIdx_y;
out[y * width + x] = in[x * width + y];
}
// CPU implementation of matrix transpose
void matrixTransposeCPUReference(float* output, float* input, const unsigned int width) {
for (unsigned int j = 0; j < width; j++) {
for (unsigned int i = 0; i < width; i++) {
output[i * width + j] = input[j * width + i];
}
}
}
int main() {
float* Matrix;
float* TransposeMatrix;
float* cpuTransposeMatrix;
float* gpuMatrix;
float* gpuTransposeMatrix;
hipDeviceProp_t devProp;
HIP_CALL(hipGetDeviceProperties(&devProp, 0));
std::cerr << "Device name " << devProp.name << std::endl;
int i;
int errors;
Matrix = (float*)malloc(NUM * sizeof(float));
TransposeMatrix = (float*)malloc(NUM * sizeof(float));
cpuTransposeMatrix = (float*)malloc(NUM * sizeof(float));
// initialize the input data
for (i = 0; i < NUM; i++) {
Matrix[i] = (float)i * 10.0f;
}
// allocate the memory on the device side
HIP_CALL(hipMalloc((void**)&gpuMatrix, NUM * sizeof(float)));
HIP_CALL(hipMalloc((void**)&gpuTransposeMatrix, NUM * sizeof(float)));
uint32_t iterations = 100;
while (iterations-- > 0) {
std::cerr << "## Iteration (" << iterations << ") #################" << std::endl;
// Memory transfer from host to device
HIP_CALL(hipMemcpy(gpuMatrix, Matrix, NUM * sizeof(float), hipMemcpyHostToDevice));
roctxMark("before hipLaunchKernel");
int rangeId = roctxRangeStart("hipLaunchKernel range");
roctxRangePush("hipLaunchKernel");
// Lauching kernel from host
hipLaunchKernelGGL(
matrixTranspose, dim3(WIDTH / THREADS_PER_BLOCK_X, WIDTH / THREADS_PER_BLOCK_Y),
dim3(THREADS_PER_BLOCK_X, THREADS_PER_BLOCK_Y), 0, 0, gpuTransposeMatrix, gpuMatrix, WIDTH);
roctxMark("after hipLaunchKernel");
// Memory transfer from device to host
roctxRangePush("hipMemcpy");
HIP_CALL(
hipMemcpy(TransposeMatrix, gpuTransposeMatrix, NUM * sizeof(float), hipMemcpyDeviceToHost));
roctxRangePop(); // for "hipMemcpy"
roctxRangePop(); // for "hipLaunchKernel"
roctxRangeStop(rangeId);
// CPU MatrixTranspose computation
matrixTransposeCPUReference(cpuTransposeMatrix, Matrix, WIDTH);
// verify the results
errors = 0;
double eps = 1.0E-6;
for (i = 0; i < NUM; i++) {
if (std::abs(TransposeMatrix[i] - cpuTransposeMatrix[i]) > eps) {
errors++;
}
}
if (errors != 0) {
fprintf(stderr, "FAILED: %d errors\n", errors);
} else {
fprintf(stderr, "PASSED!\n");
}
}
// free the resources on device side
HIP_CALL(hipFree(gpuMatrix));
HIP_CALL(hipFree(gpuTransposeMatrix));
// free the resources on host side
free(Matrix);
free(TransposeMatrix);
free(cpuTransposeMatrix);
return errors;
}编译：
只使用hipcc无法直接编译这个源文件
需要指定include 目录和链接库：
$ hipcc ./MatrixTranspose.cpp -I /opt/rocm/include/roctracer/ -lroctx64运行：
./a.out
