本文整理汇总了C++中cudaEventCreate函数的典型用法代码示例。如果您正苦于以下问题:C++ cudaEventCreate函数的具体用法?C++ cudaEventCreate怎么用?C++ cudaEventCreate使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了cudaEventCreate函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: cudaEventCreate
cudaTimer::cudaTimer(){
cudaError_t status;
status = cudaEventCreate(&inicio);
status = cudaEventCreate(&fin);
}
开发者ID:hectorgarbisu,项目名称:MNC-Practica7,代码行数:7,代码来源:cudaTimer.cpp
示例2: time_invocation_cuda
double time_invocation_cuda(std::size_t num_trials, Function f, Arg1 arg1, Arg2 arg2, Arg3 arg3)
{
cudaEvent_t start, stop;
cudaEventCreate(&start);
cudaEventCreate(&stop);
cudaEventRecord(start);
for(std::size_t i = 0;
i < num_trials;
++i)
{
f(arg1,arg2,arg3);
}
cudaEventRecord(stop);
cudaThreadSynchronize();
float msecs = 0;
cudaEventElapsedTime(&msecs, start, stop);
cudaEventDestroy(start);
cudaEventDestroy(stop);
// return mean msecs
return msecs / num_trials;
}
开发者ID:egaburov,项目名称:bulk,代码行数:25,代码来源:time_invocation_cuda.hpp
示例3: check
float bench::ClockBenchmark::_determineCycleTime() {
cudaEvent_t start, end;
check( cudaEventCreate(&start) );
check( cudaEventCreate(&end) );
unsigned long long elapsedCycles;
unsigned long long* deviceElapsedCycles;
long long int* deviceDummyMem;
const dim3 grid(1,1,1), block(1,1,1);
check( cudaMalloc((void**)&deviceElapsedCycles, sizeof(unsigned long long)) );
check( cudaMalloc((void**)&deviceDummyMem, sizeof(long long int)) );
check( cudaEventRecord(start) );
cudaDetermineCycleTimeWrapper(deviceElapsedCycles, deviceDummyMem, grid, block);
check( cudaEventRecord(end) );
check( cudaDeviceSynchronize() );
check( cudaMemcpy(&elapsedCycles, deviceElapsedCycles, sizeof(unsigned long long), cudaMemcpyDeviceToHost) );
float elapsedTime = 0;
check( cudaEventElapsedTime(&elapsedTime, start, end) );
report(util::Indents(2) << "elapsed time: " << elapsedTime << "ms");
report(util::Indents(2) << "elapsed cycles: " << elapsedCycles);
return elapsedTime * 1000000.0 / (float)elapsedCycles;
}
开发者ID:wangbiaouestc,项目名称:clpeak,代码行数:30,代码来源:ClockBenchmark.cpp
示例4: main
int main()
{
cudaEvent_t start;
cudaEvent_t end;
float duration;
const float overestimateRate = 0.01f;
const float errorRate = 0.01f;
Tokenizer tokenizer( overestimateRate, errorRate );
/************** Test counting string tokens *************/
TextReader reader;
cudaEventCreate( &start );
cudaEventRecord( start, 0 );
reader.Read();
tokenizer.StartTokenizing(
reader.GetCharBuffer(),
reader.GetOffsetBuffer(),
reader.GetCharBufferSize(),
reader.GetOffsetBufferSize() );
cudaEventCreate( &end );
cudaEventRecord( end, 0 );
cudaEventSynchronize( end );
cudaEventElapsedTime( &duration, start, end );
printf( "Time taken: %.3lf milliseconds\n", duration );
tokenizer.GetFrequency( "a" );
}
开发者ID:YSZhuoyang,项目名称:CountMinParallel,代码行数:32,代码来源:Main.cpp
示例5: trainMethodsSpeedTestGPU
void trainMethodsSpeedTestGPU(fann *ann, fann_train_data* train, unsigned int trainingAlgorithm, unsigned int epochCount)
{
fann *gpunn = fann_copy(ann);
gpunn->training_algorithm = (fann_train_enum)trainingAlgorithm;
{
cudaEvent_t start, stop;
float time;
cudaEventCreate(&start);
cudaEventCreate(&stop);
cudaEventRecord(start, 0);
gpuann_fann_parallel_train_on_data(gpunn, train, epochCount);
cudaEventRecord(stop, 0);
cudaEventSynchronize(stop);
cudaEventElapsedTime(&time, start, stop);
cudaEventDestroy(start);
cudaEventDestroy(stop);
printf("%10.5f ", time);
}
fann_destroy(gpunn);
}
开发者ID:verybigbadboy,项目名称:gpuann,代码行数:26,代码来源:trainSpeed.cpp
示例6: StartTimer
unsigned int StartTimer () {
cudaEventCreate(&timerStart);
cudaEventCreate(&timerStop);
cudaEventRecord(timerStart,0);
return 0;
}
开发者ID:smallGum,项目名称:gpuocelot,代码行数:7,代码来源:tictoc.c
示例7: runCuda
void runCuda()
{
//////////////////////
// Timing cuda call //
//////////////////////
float time;
cudaEvent_t start, stop;
cudaEventCreate(&start);
cudaEventCreate(&stop);
cudaEventRecord(start, 0);
// Map OpenGL buffer object for writing from CUDA on a single GPU
// No data is moved (Win & Linux). When mapped to CUDA, OpenGL should not use this buffer
dptr=NULL;
vbo = mesh->getVBO();
vbosize = mesh->getVBOsize();
nbo = mesh->getNBO();
nbosize = mesh->getNBOsize();
#if RGBONLY == 1
float newcbo[] = {0.0, 1.0, 0.0,
0.0, 0.0, 1.0,
1.0, 0.0, 0.0};
cbo = newcbo;
cbosize = 9;
#elif RGBONLY == 0
vec3 defaultColor(0.5f, 0.5f, 0.5f);
mesh->changeColor(defaultColor);
cbo = mesh->getCBO();
cbosize = mesh->getCBOsize();
#endif
ibo = mesh->getIBO();
ibosize = mesh->getIBOsize();
cudaGLMapBufferObject((void**)&dptr, pbo);
updateCamera();
cudaRasterizeCore(cam, dptr, glm::vec2(width, height), frame, vbo, vbosize, cbo, cbosize, ibo, ibosize, nbo, nbosize, lights, lightsize, alpha, beta, displayMode);
cudaGLUnmapBufferObject(pbo);
vbo = NULL;
cbo = NULL;
ibo = NULL;
frame++;
fpstracker++;
//////////////////////
// Timing cuda call //
//////////////////////
cudaEventRecord(stop, 0);
cudaEventSynchronize(stop);
cudaEventElapsedTime(&time, start, stop);
printf("runCuda runtime: %3.1f ms \n", time);
}
开发者ID:mchen15,项目名称:Project4-Rasterizer,代码行数:59,代码来源:main.cpp
示例8: start
CudaTimer::CudaTimer(cudaStream_t stream)
: start(nullptr)
, end(nullptr)
, stream(stream)
{
CUDA_CHECK(cudaEventCreate(&start));
CUDA_CHECK(cudaEventCreate(&end));
}
开发者ID:yalcinerbora,项目名称:GIThesis,代码行数:8,代码来源:CudaTimer.cpp
示例9: CUDATimer
CUDATimer() {
start_ = 0.0; stop_ = 0.0; elapsed_ = 0.0; is_running_ = false;
cudaEventCreate(&custart_);
cudaEventCreate(&custop_);
cudaEventCreate(&cubase_);
cudaEventRecord(cubase_);
} // CUDATimer()
开发者ID:mywoodstock,项目名称:HipGISAXS,代码行数:8,代码来源:woo_cudatimers.hpp
示例10: contractTT
void contractTT(sTensorGPU *TT1, sTensorGPU *TT2, const int n, const int size)
{
cublasHandle_t handle;
cublasCreate(&handle);
type result=0;
sTensorGPU temp1 = emptyTensor(size*size,2);
sTensorGPU temp2 = emptyTensor(size*size*2,3);
cudaEvent_t start;
cudaEventCreate(&start);
cudaEvent_t stop;
cudaEventCreate(&stop);
//printf("Start contractTT\n");
cudaEventRecord(start, NULL);
int indA = TT1[0].size[0];
int indB = TT2[0].size[0];
sTensorCPU tt1start = copyToCPU(TT1[0]);
sTensorCPU tt2start = copyToCPU(TT2[0]);
sTensorCPU tt1end = copyToCPU(TT1[n - 1]);
sTensorCPU tt2end = copyToCPU( TT2[n - 1]);
for (int i = 0; i < indA; i++){
TT1[0] = prepareTensorStart(tt1start, i);
TT1[n - 1] = prepareTensorEnd(tt1end, i);
for (int j = 0; j < indB; j++){
TT2[0] = prepareTensorStart(tt2start, j);
TT2[n - 1] = prepareTensorEnd(tt2end, j);
contractTensor(handle, TT1[0], TT2[0], temp1);
for (int i = 1; i < n; i++){
contractTensor(handle, temp1, TT1[i], temp2);
contractTensor(handle, temp2, TT2[i], temp1, 2);
}
type add = 0;
cudaMemcpy(&add, temp1.deviceData, sizeof(type), cudaMemcpyDeviceToHost);
//printf("%e ", add);
result += add;
}
}
cudaEventRecord(stop, NULL);
cudaEventSynchronize(stop);
float msecTotal = 0.0f;
cudaEventElapsedTime(&msecTotal, start, stop);
printf("Time: %.3fms\n", msecTotal);
printf("Ops: %.0f\n", bops);
double gigaFlops = (bops * 1.0e-9f) / (msecTotal / 1000.0f);
printf("Perf= %.2f GFlop/s\n", gigaFlops);
cublasDestroy(handle);
cudaDeviceReset();
printf("%.5e \n", result);
exit(0);
}
开发者ID:thomas-hoer,项目名称:cuTT,代码行数:58,代码来源:bigSizeTensors.cpp
示例11: CUDA_CHECK
void Timer::Init() {
if (!initted()) {
if (Caffe::mode() == Caffe::GPU) {
CUDA_CHECK(cudaEventCreate(&start_gpu_));
CUDA_CHECK(cudaEventCreate(&stop_gpu_));
}
initted_ = true;
}
}
开发者ID:JesseLivezey,项目名称:caffe,代码行数:9,代码来源:benchmark.cpp
示例12: startTest
// startTest ------------------------------------------------------------------
// Initializes the cuda timer events and starts the timer.
// @param start - Start time evet
// @param end - End time evet
//-----------------------------------------------------------------------------
void startTest(cudaEvent_t &start, cudaEvent_t &stop, char* msg){
// Create Events
cudaEventCreate( &start );
cudaEventCreate( &stop );
// Start Timer
printf("%s\n", msg);
cudaEventRecord( start, 0 );
}
开发者ID:phil-monroe,项目名称:EEC-277---Project-2,代码行数:14,代码来源:helpers.c
示例13: sobel1
void sobel1(int *h_result, unsigned int *h_pic, int xsize, int ysize, int thresh)
{
int *d_result;
unsigned int *d_pic;
int resultSize = xsize * ysize * 3 * sizeof(int);
int picSize = xsize * ysize * sizeof(int);
cudaMalloc( (void**)&d_result, resultSize);
if( !d_result) {
exit(-1);
}
cudaMalloc( (void**)&d_pic, picSize);
if( !d_pic) {
exit(-1);
}
cudaMemcpy(d_result, h_result, resultSize, cudaMemcpyHostToDevice);
cudaMemcpy(d_pic, h_pic, picSize, cudaMemcpyHostToDevice);
dim3 threadsPerBlock(BLOCKSIZE, BLOCKSIZE);
dim3 numBlocks(ceil((float)ysize/(float)threadsPerBlock.x), ceil((float)xsize/(float)threadsPerBlock.y));
cudaEvent_t start, stop;
cudaEventCreate(&start);
cudaEventCreate(&stop);
{ __set_CUDAConfig(numBlocks, threadsPerBlock );
d_sobel1 (d_result, d_pic, xsize, ysize, thresh);}
cudaEventSynchronize(stop);
float elapsedTime;
cudaEventElapsedTime(&elapsedTime, start, stop);
cudaEventDestroy(start);
cudaEventDestroy(stop);
cudaMemcpy(h_result, d_result, resultSize, cudaMemcpyDeviceToHost);
cudaMemcpy(h_pic, d_pic, picSize, cudaMemcpyDeviceToHost);
cudaFree(d_result);
cudaFree(d_pic);
}
开发者ID:drolfe00,项目名称:CUDAVerificationkernels,代码行数:56,代码来源:cudaSobel.cpp
示例14: startTimer_GPU
void startTimer_GPU( MTime* mtime )
{
mtime->type = GPU_TIME;
if(mtime->gpustart==0 || mtime->gpustop==0)
{
CHECK_ERROR(cudaEventCreate(&mtime->gpustart));
CHECK_ERROR(cudaEventCreate(&mtime->gpustop));
}
CHECK_ERROR( cudaEventRecord(mtime->gpustart) );
}
开发者ID:lolmegafroi,项目名称:coding_reliability,代码行数:10,代码来源:timer.cpp
示例15: m_ceStartEvent
CCudaTimeMeasure::CCudaTimeMeasure(cudaStream_t csStreamID/* = 0*/):
m_ceStartEvent(NULL),
m_ceStopEvent(NULL),
m_csStreamID(csStreamID)
{
cudaCheckError(cudaEventCreate(&m_ceStartEvent));
cudaCheckError(cudaEventCreate(&m_ceStopEvent));
cudaCheckError(cudaEventRecord(m_ceStartEvent, m_csStreamID));
}
开发者ID:starand,项目名称:cpp,代码行数:10,代码来源:CudaTimeMeasure.cpp
示例16: Mark
void Mark(){
// insert a "start" event into the command stream
cudaEventCreate(&start);
// instert a "stop" event into the command stream
cudaEventCreate(&stop);
// record the event
cudaEventRecord( start, 0 );
status = 1;
}
开发者ID:darlliu,项目名称:Yeast-Cuda-Gillespie-Simulator,代码行数:11,代码来源:cudahelper.hpp
示例17: dslashCUDA
// execute kernel
double dslashCUDA() {
printfQuda("Executing %d kernel loops...\n", loops);
fflush(stdout);
if (test_type < 2)
dirac->Tune(*cudaSpinorOut, *cudaSpinor, *tmp);
else
dirac->Tune(cudaSpinorOut->Even(), cudaSpinor->Even(), *tmp);
cudaEvent_t start, end;
cudaEventCreate(&start);
cudaEventRecord(start, 0);
cudaEventSynchronize(start);
for (int i = 0; i < loops; i++) {
switch (test_type) {
case 0:
if (transfer) {
dslashQuda(spinorOut->V(), spinor->V(), &inv_param, parity);
} else {
dirac->Dslash(*cudaSpinorOut, *cudaSpinor, parity);
}
break;
case 1:
case 2:
if (transfer) {
MatQuda(spinorOut->V(), spinor->V(), &inv_param);
} else {
dirac->M(*cudaSpinorOut, *cudaSpinor);
}
break;
}
}
cudaEventCreate(&end);
cudaEventRecord(end, 0);
cudaEventSynchronize(end);
float runTime;
cudaEventElapsedTime(&runTime, start, end);
cudaEventDestroy(start);
cudaEventDestroy(end);
double secs = runTime / 1000; //stopwatchReadSeconds();
// check for errors
cudaError_t stat = cudaGetLastError();
if (stat != cudaSuccess)
printf("with ERROR: %s\n", cudaGetErrorString(stat));
printf("done.\n\n");
return secs;
}
开发者ID:fwinter,项目名称:quda,代码行数:55,代码来源:domain_wall_dslash_test.cpp
示例18: ImageProcessor
//----------------------------------------------------------------------------//
CUDAImpl::CUDAImpl()
: ImageProcessor(CUDA), _cudaBuild(false)
{
if (cudaSetDevice(_cudaGetMaxGflopsDeviceId()) != cudaSuccess) {
throw std::logic_error("gpuip::CUDAImpl() could not set device id");
};
cudaFree(0); //use runtime api to create a CUDA context implicitly
cudaEventCreate(&_start);
cudaEventCreate(&_stop);
}
开发者ID:karlssonper,项目名称:gpuip,代码行数:12,代码来源:cuda.cpp
示例19: dslashCUDA
// execute kernel
double dslashCUDA(int niter) {
cudaEvent_t start, end;
cudaEventCreate(&start);
cudaEventCreate(&end);
cudaEventRecord(start, 0);
for (int i = 0; i < niter; i++) {
switch (test_type) {
case 0:
if (transfer) {
dslashQuda(spinorOut->V(), spinor->V(), &inv_param, parity);
} else {
//inv_param.input_location = QUDA_CUDA_FIELD_LOCATION;
//inv_param.output_location = QUDA_CUDA_FIELD_LOCATION;
//dslashQuda(cudaSpinorOut->V(), cudaSpinor->V(), &inv_param, parity);
dirac->Dslash(*cudaSpinorOut, *cudaSpinor, parity);
}
break;
case 1:
case 2:
if (transfer) {
MatQuda(spinorOut->V(), spinor->V(), &inv_param);
} else {
dirac->M(*cudaSpinorOut, *cudaSpinor);
}
break;
case 3:
case 4:
if (transfer) {
MatDagMatQuda(spinorOut->V(), spinor->V(), &inv_param);
} else {
dirac->MdagM(*cudaSpinorOut, *cudaSpinor);
}
break;
}
}
cudaEventRecord(end, 0);
cudaEventSynchronize(end);
float runTime;
cudaEventElapsedTime(&runTime, start, end);
cudaEventDestroy(start);
cudaEventDestroy(end);
double secs = runTime / 1000; //stopwatchReadSeconds();
// check for errors
cudaError_t stat = cudaGetLastError();
if (stat != cudaSuccess)
printfQuda("with ERROR: %s\n", cudaGetErrorString(stat));
return secs;
}
开发者ID:kpetrov,项目名称:quda,代码行数:55,代码来源:dslash_test.cpp
示例20: CUDA_CHECK
void Timer::Init() {
if (!initted()) {
if (Caffe::mode() == Caffe::GPU) {
#ifndef CPU_ONLY
CUDA_CHECK(cudaEventCreate(&start_gpu_));
CUDA_CHECK(cudaEventCreate(&stop_gpu_));
#else
NO_GPU;
#endif
}
initted_ = true;
}
}
开发者ID:0hm,项目名称:caffe,代码行数:13,代码来源:benchmark.cpp
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