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Add and update samples for cuda 10.1 update 2 support

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This commit is contained in:
Mahesh Doijade
2019-08-02 23:15:47 +05:30
parent 337815dbee
commit 58d0ceff18
118 changed files with 18252 additions and 54 deletions
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15
Samples/p2pBandwidthLatencyTest/p2pBandwidthLatencyTest.cu
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@@ -99,7 +99,7 @@ void printHelp(void) {
printf(
"--p2p_read\tUse P2P reads for data transfers between GPU pairs and show "
"corresponding results.\n \t\tDefault used is P2P write operation.\n");
printf("--sm_copy\tUse SM intiated p2p transfers instead of Copy Engine\n");
printf("--sm_copy\t\tUse SM intiated p2p transfers instead of Copy Engine\n");
}
void checkP2Paccess(int numGPUs) {
@@ -441,6 +441,7 @@ void outputBidirectionalBandwidthMatrix(int numGPUs, bool p2p) {
void outputLatencyMatrix(int numGPUs, bool p2p, P2PDataTransfer p2p_method) {
int repeat = 100;
int numElems = 4; // perform 1-int4 transfer.
volatile int *flag = NULL;
StopWatchInterface *stopWatch = NULL;
vector<int *> buffers(numGPUs);
@@ -461,8 +462,8 @@ void outputLatencyMatrix(int numGPUs, bool p2p, P2PDataTransfer p2p_method) {
for (int d = 0; d < numGPUs; d++) {
cudaSetDevice(d);
cudaStreamCreateWithFlags(&stream[d], cudaStreamNonBlocking);
cudaMalloc(&buffers[d], sizeof(int));
cudaMalloc(&buffersD2D[d], sizeof(int));
cudaMalloc(&buffers[d], sizeof(int) * numElems);
cudaMalloc(&buffersD2D[d], sizeof(int) * numElems);
cudaCheckError();
cudaEventCreate(&start[d]);
cudaCheckError();
@@ -505,14 +506,14 @@ void outputLatencyMatrix(int numGPUs, bool p2p, P2PDataTransfer p2p_method) {
sdkResetTimer(&stopWatch);
if (i == j) {
// Perform intra-GPU, D2D copies
performP2PCopy(buffers[i], i, buffersD2D[i], i, 1, repeat, access,
stream[i]);
performP2PCopy(buffers[i], i, buffersD2D[i], i, numElems, repeat,
access, stream[i]);
} else {
if (p2p_method == P2P_WRITE) {
performP2PCopy(buffers[j], j, buffers[i], i, 1, repeat, access,
performP2PCopy(buffers[j], j, buffers[i], i, numElems, repeat, access,
stream[i]);
} else {
performP2PCopy(buffers[i], i, buffers[j], j, 1, repeat, access,
performP2PCopy(buffers[i], i, buffers[j], j, numElems, repeat, access,
stream[i]);
}
}