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Add put option execution and deallocation of derivatives again
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kchristin22 committed Nov 22, 2024
1 parent c47d685 commit b8d7c1c
Showing 1 changed file with 45 additions and 1 deletion.
46 changes: 45 additions & 1 deletion demos/CUDA/BlackScholes/BlackScholes.cu
Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,7 @@ void launch(float* h_CallResultCPU, float* h_CallResultGPU,
cudaFree(d_CallResult);
}

int main(int argc, char** argv) {
int main(int argc, char **argv) {
// Start logs
printf("[%s] - Starting...\n", argv[0]);

Expand Down Expand Up @@ -273,6 +273,45 @@ int main(int argc, char** argv) {
printf("L1 norm: %E\n", L1norm);
printf("Max absolute error: %E\n\n", max_delta);

// Verify delta
computeL1norm<Call, Delta>(h_StockPrice, h_OptionStrike, h_OptionYears,
d_StockPrice);
// Verify derivatives with respect to the Strike price
computeL1norm<Call, dX>(h_StockPrice, h_OptionStrike, h_OptionYears,
d_OptionStrike);
// Verify theta
computeL1norm<Call, Theta>(h_StockPrice, h_OptionStrike, h_OptionYears,
d_OptionYears);
/*******************************************************************************/
// Re-initialize data for next gradient call
for (int i = 0; i < OPT_N; i++)
{
h_CallResultCPU[i] = 0.0f;
h_PutResultCPU[i] = -1.0f;
d_CallResultGPU[i] = 1.0f;
d_PutResultGPU[i] = 1.0f;
}
for (int i = 0; i < OPT_N; i++)
{
d_StockPrice[i] = 0.f;
d_OptionStrike[i] = 0.f;
d_OptionYears[i] = 0.f;
}
// Compute the values and derivatives of the price of the Put options
putGrad.execute(h_CallResultCPU, h_CallResultGPU, h_PutResultCPU,
h_PutResultGPU, h_StockPrice, h_OptionStrike, h_OptionYears,
d_PutResultGPU, d_StockPrice, d_OptionStrike, d_OptionYears);
// Verify delta
computeL1norm<Put, Delta>(h_StockPrice, h_OptionStrike, h_OptionYears,
d_StockPrice);
// Verify derivatives with respect to the Strike price
computeL1norm<Put, dX>(h_StockPrice, h_OptionStrike, h_OptionYears,
d_OptionStrike);
// Verify theta
computeL1norm<Put, Theta>(h_StockPrice, h_OptionStrike, h_OptionYears,
d_OptionYears);
/*******************************************************************************/

printf("Shutting down...\n");
printf("...releasing CPU memory.\n");
free(h_OptionYears);
Expand All @@ -282,6 +321,11 @@ int main(int argc, char** argv) {
free(h_CallResultGPU);
free(h_PutResultCPU);
free(h_CallResultCPU);
free(d_OptionYears);
free(d_OptionStrike);
free(d_StockPrice);
free(d_PutResultGPU);
free(d_CallResultGPU);
sdkDeleteTimer(&hTimer);
printf("Shutdown done.\n");

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