OilfieldToolsNet/opm-simulators
4
0
Fork 0
mirror of https://github.com/OPM/opm-simulators.git synced 2025-02-25 18:55:30 -06:00
Code Issues Packages Projects Releases Wiki Activity

Now WellContributions copies vectors for MultisegmentWells to reduce number of copies

Browse Source
This commit is contained in:
T.D. (Tongdong) Qiu
2020-05-18 18:48:58 +02:00
parent 0f273ebdf6
commit f6036ffa8e
4 changed files with 44 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
opm/simulators/linalg/bda/MultisegmentWellContribution.hpp
View File

@@ -47,8 +47,7 @@ namespace Opm
unsigned int M; // number of rows, M == dim_wells*Mb
unsigned int Mb; // number of blockrows in C, D and B
cudaStream_t stream;
double *h_x = nullptr, *h_y = nullptr; // CUDA pinned memory for GPU memcpy
cudaStream_t stream; // not actually used yet, will be when MultisegmentWellContribution are applied on GPU
// C and B are stored in BCRS format, D is stored in CSC format (Dune::UMFPack)
// Sparsity pattern for C is not stored, since it is the same as B
@@ -96,11 +95,11 @@ namespace Opm
/// Destroy a MultisegmentWellContribution, and free memory
~MultisegmentWellContribution();
/// Apply the MultisegmentWellContribution on GPU
/// Apply the MultisegmentWellContribution on CPU
/// performs y -= (C^T * (D^-1 * (B*x))) for MultisegmentWell
/// \param[in] d_x vector x, must be on GPU
/// \param[inout] d_y vector y, must be on GPU
void apply(double *d_x, double *d_y);
/// \param[in] h_x vector x, must be on CPU
/// \param[inout] h_y vector y, must be on CPU
void apply(double *h_x, double *h_y);
};