djairoh/cuda-based-raytrace
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moved times to metadata, improved freeing, created example

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Robin
2024-12-26 17:23:07 +01:00
parent c4a2ce1b44
commit 3c8e68ac1d
7 changed files with 33 additions and 48 deletions
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23
src/main.cu
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@@ -16,7 +16,7 @@ __global__ void getSingleValue(float *ans, const FieldMetadata &fmd, FieldData f
}
int main() {
std::string path = "data";
std::string path = "data/atmosphere_MERRA-wind-speed[179253532]";
std::string variable = "T";
@@ -31,24 +31,23 @@ int main() {
GPUBufferHandler bufferHandler(buffer);
std::cout << "created buffer handler\n";
auto fd = bufferHandler.nextFieldData();
std::cout << "aquired field\n";
float *ptr_test_read;
cudaMallocManaged(&ptr_test_read, sizeof(float));
getSingleValue<<<1, 1>>>(ptr_test_read, *bufferHandler.fmd, fd);
std::cout << "created buffer handler\n";
for (int i = 0; i < 10; i++) {
FieldData fd = bufferHandler.nextFieldData();
cudaDeviceSynchronize();
getSingleValue<<<1, 1>>>(ptr_test_read, *bufferHandler.fmd, fd);
std::cout << "ptr_test_read = " << std::fixed << std::setprecision(6) << *ptr_test_read << "\n";
cudaDeviceSynchronize();
// TODO: Write a example loop using buffering and measure it.
std::cout << "ptr_test_read = " << std::fixed << std::setprecision(6) << *ptr_test_read << "\n";
}
// TODO: Write an example loop using buffering and measure it.
cudaFree(fd.valArrays[0]); // TODO: Free data properly in FieldData (maybe make an iterator)
// TODO: Free data properly in FieldData (maybe make an iterator)
cudaFree(ptr_test_read);
return 0;
}