void petabricks::RemoteObject::freeRecvInitial(void* buf, size_t len) {
return freeRecv(buf, len);
}
int main(int argc, char **argv)
{
unsigned int *data_samples;
int i;
int size;
pd_device_t dev;
void *memr, *mems;
float throughput;
struct timeval tv1,tv2;
int mintime, curtime;
printf("====================================\n");
printf("= DMA Throughput Test =\n");
printf("====================================\n\n");
if(argc != 2){
printf("Usage: %s [buffer size]\n",argv[0]);
return -1;
}
size = atoi(argv[1]);
if(size > 524288){
printf("Wohaa, easy there. Maximum buffer size is 262144\n");
return -1;
}
if(size % 4 != 0){
printf("Buffer size must be divisible by 4 bytes\n");
return -1;
}
printf("Buffer size: %d\n\n",size);
if(pd_open(0,&dev) != 0){
printf("Failed to open file \n");
return -1;
}
printf("Device file opened successfuly\n");
// Allocate send and receive buffers
posix_memalign( (void**)&memr, 16, size);
posix_memalign( (void**)&mems, 16, size);
//for(i=0;i<size/4;i++)
// ((unsigned int*)mems)[i] = i;
//for(i=0;i<size/4;i++)
// ((unsigned int*)memr)[i] = 9;
//--------------------------
if(initDMA(&dev) < 0)
printf("Init DMA failed\n");
/*
gettimeofday(&tv1,NULL);
if(setupSend(&dev, (void*)mems, size) < 0)
printf("Setup Send failed\n");
gettimeofday(&tv2,NULL);
printf(">> Time taken to setup send transfer:%d\n", tv2.tv_usec - tv1.tv_usec);
//--------------------------
gettimeofday(&tv1,NULL);
if(setupRecv(&dev, memr, size) < 0)
printf("Setup Recv failed\n");
gettimeofday(&tv2,NULL);
printf(">> Time taken to setup receive transfer:%d\n", tv2.tv_usec - tv1.tv_usec);
//--------------------------
gettimeofday(&tv1,NULL);
if(startSend(&dev, 0) < 0)
printf("DMA Send failed\n");
if(checkSend() < 0)
printf("Check DMA send failed\n");
gettimeofday(&tv2,NULL);
printf(">> Time taken to complete and check send transfer:%d\n", tv2.tv_usec - tv1.tv_usec);
printf(">> Throughput: %f MB/s\n",(float)size/((float)(tv2.tv_usec - tv1.tv_usec)));
//--------------------------
gettimeofday(&tv1,NULL);
if(startRecv() < 0)
printf("DMA Recv failed\n");
if(checkRecv() < 0)
printf("Check DMA recv failed\n");
gettimeofday(&tv2,NULL);
printf(">> Time taken to complete and check recv transfer:%d\n", tv2.tv_usec - tv1.tv_usec);
printf(">> Throughput: %f MB/s\n",(float)size/((float)(tv2.tv_usec - tv1.tv_usec)));
*/
//--------------------------
// Send and receive in simultaneous
mintime = 9999;
for(i=0;i<NRUNS;i++){
gettimeofday(&tv1,NULL);
if(setupSend(&dev, (void*)mems, size,1) < 0)
printf("Setup Send failed\n");
if(setupRecv(&dev, (void*)memr, size) < 0)
printf("Setup Recv failed\n");
gettimeofday(&tv2,NULL);
printf("Time taken to setup receive AND send transfer:%d\n", tv2.tv_usec - tv1.tv_usec);
//--------------------------
gettimeofday(&tv1,NULL);
if(startRecv(&dev, 0) < 0)
printf("DMA Recv failed\n");
if(startSend(&dev, 0) < 0)
printf("DMA Send failed\n");
if(checkRecv() < 0)
printf("Check DMA recv failed\n");
if(checkSend() < 0)
printf("Check DMA send failed\n");
gettimeofday(&tv2,NULL);
curtime = tv2.tv_usec - tv1.tv_usec;
printf("Time taken to complete and check send AND receive transfer:%d\n", curtime);
printf("Throughput: %f MB/s\n",(float)2*size/((float)(curtime)));
freeSend(&dev);
freeRecv(&dev);
if(curtime < mintime)
mintime = curtime;
}
stopDMA(&dev);
//for(i=0;i<size/4;i++)
// printf("%d ",((unsigned int*)memr)[i]);
free(memr); free(mems);
printf("Maximum throughput for %d points: %f MB/s\n",size,(float)2*size/((float)(mintime)));
return 0;
}
int main(int argc, char **argv)
{
unsigned int *data_samples;
int i,val,j;
int size, new_size;
pd_device_t dev;
void *memr, *mems, *mem_new;
float throughput;
struct timeval tv1,tv2;
int mintime, curtime, vsize;
printf("====================================\n");
printf("= Pattern Tests =\n");
printf("====================================\n\n");
if(pd_open(0,&dev) != 0){
printf("Failed to open file \n");
return -1;
}
printf("Device file opened successfuly\n");
// Allocate send and receive buffers
size = 4*1024*1024; // 32x32 matrix with 4 byte entries
posix_memalign( (void**)&memr, 16, size);
posix_memalign( (void**)&mems, 16, size);
//for(i=0;i < size/4; i++){
// ((int*)mems)[i] = i;
// printf("%d ",((int*)mems)[i]);
//}
/*
vsize = 1;
for(i=1; i < 16; i++)
{
mintime = 99999;
for(j=0; j < 500; j++)
{
gettimeofday(&tv1,NULL);
compressData(mems, &mem_new, &new_size, 0, 4, 120, vsize);
gettimeofday(&tv2,NULL);
curtime = tv2.tv_usec - tv1.tv_usec;
if (curtime < mintime)
mintime = curtime;
free(mem_new);
}
printf("Total Size: %d, Time elapsed: %d\n", new_size, mintime);
vsize *= 2;
}
return;
*/
// Each 5x5 subblock will hold the same value
val = 0;
for(i=0; i < size/4; i++){
if (i % 16 == 0 && i!=0)
val ++;
val = val % 2;
((int *)mems)[i] = val;
}
// Test matrix
for(i=0; i < size/4; i++){
if (i%32 == 0 && i!=0)
printf("\n");
printf("%d ", ((int*)mems)[i]);
}
//--------------------------
if(initDMA(&dev) < 0)
printf("Init DMA failed\n");
// Send and receive in simultaneous
gettimeofday(&tv1,NULL);
#ifdef SEND
if(setupSend(&dev, (void*)mems, size,1) < 0)
printf("Setup Send failed\n");
if(applyBlocking_send(16, 32, 4) < 0)
printf("Apply Blocking send failed\n");
#endif
if(setupRecv(&dev, (void*)memr, size) < 0)
printf("Setup Recv failed\n");
//int applyLinear_recv(int offset, int hsize, int stride, int total_size);
// if(applyBlocking_recv(16, 32, 4) < 0)
if(applyLinear_recv(0,128,128,4096) < 0)
printf("Apply Blocking recv failed\n");
gettimeofday(&tv2,NULL);
printf("Time taken to setup receive AND send transfer:%d\n", tv2.tv_usec - tv1.tv_usec);
//--------------------------
gettimeofday(&tv1,NULL);
#ifdef SEND
//if(startSend(&dev, 0) < 0)
// printf("DMA Send failed\n");
#endif
// printf("Press any key to continue ;)\n");
// getchar();
if(startRecv(&dev, 0) < 0)
printf("DMA Recv failed\n");
if(startSend(&dev, 0) < 0)
printf("DMA Send failed\n");
if(checkRecv() < 0)
printf("Check DMA recv failed\n");
#ifdef SEND
if(checkSend() < 0)
printf("Check DMA send failed\n");
#endif
gettimeofday(&tv2,NULL);
curtime = tv2.tv_usec - tv1.tv_usec;
printf("Time taken to complete and check send AND receive transfer:%d\n", curtime);
printf("Throughput: %f MB/s\n",(float)2*size/((float)(curtime)));
// Test matrix
for(i=0; i < size/4; i++){
if (i%32 == 0 && i!=0)
printf("\n");
printf("%d ", ((int*)memr)[i]);
}
freeSend(&dev);
freeRecv(&dev);
stopDMA(&dev);
//for(i=0;i<size/4;i++)
// printf("%d ",((unsigned int*)memr)[i]);
free(memr); free(mems);
return 0;
}
