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Added functions for loading int, int3, scalar and vector constants to the device layer (acDeviceLoad...Constant)

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This commit is contained in:
jpekkila
2019-08-19 15:28:16 +03:00
parent 41805dcb68
commit 787363226b
3 changed files with 50 additions and 5 deletions
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16
include/astaroth_device.h
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@@ -46,8 +46,20 @@ AcResult acDeviceSynchronizeStream(const Device device, const Stream stream);
AcResult acDeviceSwapBuffers(const Device device); AcResult acDeviceSwapBuffers(const Device device);
/** */ /** */
AcResult acDeviceLoadConstant(const Device device, const Stream stream, const AcRealParam param, AcResult acDeviceLoadScalarConstant(const Device device, const Stream stream,
const AcReal value); const AcRealParam param, const AcReal value);
/** */
AcResult acDeviceLoadVectorConstant(const Device device, const Stream stream,
const AcReal3Param param, const AcReal3 value);
/** */
AcResult acDeviceLoadIntConstant(const Device device, const Stream stream, const AcIntParam param,
const int value);
/** */
AcResult acDeviceLoadInt3Constant(const Device device, const Stream stream, const AcInt3Param param,
const int3 value);
/** */ /** */
AcResult acDeviceLoadMeshInfo(const Device device, const Stream stream, AcResult acDeviceLoadMeshInfo(const Device device, const Stream stream,

37
src/core/device.cu
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@@ -356,8 +356,8 @@ acDeviceSwapBuffers(const Device device)
} }
AcResult AcResult
acDeviceLoadConstant(const Device device, const Stream stream, const AcRealParam param, acDeviceLoadScalarConstant(const Device device, const Stream stream, const AcRealParam param,
const AcReal value) const AcReal value)
{ {
cudaSetDevice(device->id); cudaSetDevice(device->id);
const size_t offset = (size_t)&d_mesh_info.real_params[param] - (size_t)&d_mesh_info; const size_t offset = (size_t)&d_mesh_info.real_params[param] - (size_t)&d_mesh_info;
@@ -366,6 +366,39 @@ acDeviceLoadConstant(const Device device, const Stream stream, const AcRealParam
return AC_SUCCESS; return AC_SUCCESS;
} }
AcResult
acDeviceLoadVectorConstant(const Device device, const Stream stream, const AcReal3Param param,
const AcReal3 value)
{
cudaSetDevice(device->id);
const size_t offset = (size_t)&d_mesh_info.real3_params[param] - (size_t)&d_mesh_info;
ERRCHK_CUDA(cudaMemcpyToSymbolAsync(d_mesh_info, &value, sizeof(value), offset,
cudaMemcpyHostToDevice, device->streams[stream]));
return AC_SUCCESS;
}
AcResult
acDeviceLoadIntConstant(const Device device, const Stream stream, const AcIntParam param,
const int value)
{
cudaSetDevice(device->id);
const size_t offset = (size_t)&d_mesh_info.int_params[param] - (size_t)&d_mesh_info;
ERRCHK_CUDA(cudaMemcpyToSymbolAsync(d_mesh_info, &value, sizeof(value), offset,
cudaMemcpyHostToDevice, device->streams[stream]));
return AC_SUCCESS;
}
AcResult
acDeviceLoadInt3Constant(const Device device, const Stream stream, const AcInt3Param param,
const int3 value)
{
cudaSetDevice(device->id);
const size_t offset = (size_t)&d_mesh_info.int3_params[param] - (size_t)&d_mesh_info;
ERRCHK_CUDA(cudaMemcpyToSymbolAsync(d_mesh_info, &value, sizeof(value), offset,
cudaMemcpyHostToDevice, device->streams[stream]));
return AC_SUCCESS;
}
AcResult AcResult
acDeviceLoadMeshInfo(const Device device, const Stream stream, const AcMeshInfo device_config) acDeviceLoadMeshInfo(const Device device, const Stream stream, const AcMeshInfo device_config)
{ {

2
src/core/node.cu
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@@ -429,7 +429,7 @@ acNodeLoadConstant(const Node node, const Stream stream, const AcRealParam param
acNodeSynchronizeStream(node, stream); acNodeSynchronizeStream(node, stream);
// #pragma omp parallel for // #pragma omp parallel for
for (int i = 0; i < node->num_devices; ++i) { for (int i = 0; i < node->num_devices; ++i) {
acDeviceLoadConstant(node->devices[i], stream, param, value); acDeviceLoadScalarConstant(node->devices[i], stream, param, value);
} }
return AC_SUCCESS; return AC_SUCCESS;
} }