Skip to content

Ma57 parameter fix #645

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
nychiang wants to merge 3 commits into
base: develop
Choose a base branch
from
Open

Ma57 parameter fix #645

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
735229e
update parameter settings
nychiang Jul 25, 2023
84009a4
update default parameter settings
nychiang Jul 25, 2023
0646a8f
fix typo
nychiang Jul 27, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 12 additions & 3 deletions src/LinAlg/hiopLinSolverSymSparseMA57.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ namespace hiop
// 4 use Metis;
// 5 automatic choice(MA47 or Metis);
icntl_[7-1] = 1; // Pivoting strategy.
icntl_[9-1] = 10; // up to 10 steps of iterative refinement
icntl_[9-1] = 1; // use one step of iterative refinement
icntl_[11-1] = 16;
icntl_[12-1] = 16;
icntl_[15-1] = 0;
Expand All @@ -92,7 +92,13 @@ namespace hiop
keep_ = new int[lkeep_]{0}; // Initialize to 0 as otherwise MA57ED can sometimes fail

iwork_ = new int[5 * n_];
dwork_ = new double[n_];
if(icntl_[9-1] > 1 && icntl_[10-1] > 1 ) {
dwork_ = new double[4*n_];
} else if(icntl_[9-1] > 1) {
dwork_ = new double[3*n_];
} else {
dwork_ = new double[n_];
}

MA57AD( &n_, &nnz_, irowM_, jcolM_, &lkeep_, keep_, iwork_, icntl_, info_, rinfo_ );

Expand Down Expand Up @@ -194,7 +200,10 @@ namespace hiop

int job = 1; // full solve
int one = 1;
icntl_[9-1] = 1; // do one step of iterative refinement

if(icntl_[9-1]>1) {
job = 0; // only allow 0 or 2
}

hiopVector* x = dynamic_cast<hiopVector*>(&x_in);
assert(x!=nullptr);
Expand Down