llnl/libROM

View on GitHub

Data-driven model reduction library with an emphasis on large scale parallelism and linear subspace methods

Stars: 236
Forks: 47
Open beginner issues: 0
Indexed issues: 36

Dominant language: C++
License: No license data
Last GitHub push: May 14, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

36 open issues indexed

Building libROM errors Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

llnl/libROM#319 · 1 comment · Opened Nov 17, 2025
i build librom in windows and i fond a memory leak Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llnl/libROM#314 · Opened Aug 28, 2025
USE dmd predict wrong result Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llnl/libROM#313 · Opened Aug 22, 2025
Sample mesh manager wrongly (?) assigns boundary labels to boundary Open

bug

llnl/libROM#275 · 3 comments · 2 assignees · Opened Feb 22, 2024
Scalability break-down in `NNLSSolver` for more than 2 processors Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 28/100

llnl/libROM#272 · 1 comment · Opened Feb 15, 2024
Hard-coded values in NNLS solver Open

enhancement help wanted

Difficulty 5/5 Over a week Newbie friendliness 25/100

llnl/libROM#269 · Opened Feb 13, 2024
Link to Doxygen in LibROM website documentation tab Open

enhancement

Difficulty 1/5 Under an hour Newbie friendliness 45/100

llnl/libROM#256 · 1 comment · Opened Dec 20, 2023
Feature request: Time windowing for velocity basis in Nonlinear Elastic example Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

llnl/libROM#252 · Opened Nov 29, 2023
Memory use of `scalapack_f_wrapper::factorize()` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

llnl/libROM#234 · Opened Aug 3, 2023
`Matrix::orthogonalize()` works only for distributed case. Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 45/100

llnl/libROM#232 · 1 comment · Opened Jul 29, 2023
possible issue in documentation Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

llnl/libROM#225 · Opened Jul 6, 2023
scalapack error Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

llnl/libROM#221 · Opened Jun 9, 2023
dmd prediction of initial condition Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

llnl/libROM#210 · 2 comments · Opened May 10, 2023
reading a numpy matrix in libROM/mfem Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llnl/libROM#204 · 2 comments · Opened Apr 28, 2023
python interface Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

llnl/libROM#201 · 2 comments · Opened Apr 18, 2023
Integrator for non-linear term Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llnl/libROM#199 · 1 comment · Opened Mar 27, 2023
version of ComputeCtAB not involving HypreParMatrix Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llnl/libROM#198 · 1 comment · Opened Mar 21, 2023
Parallel snapshot generation with a custom MPI communicator Open

enhancement help wanted question

llnl/libROM#197 · 2 comments · 1 assignee · Opened Mar 21, 2023
code documentation Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

llnl/libROM#188 · 1 comment · Opened Feb 27, 2023
understanding hyper-reduction in libROM Open

llnl/libROM#186 · 7 comments · 1 assignee · Opened Feb 15, 2023
Questions about Nonlinear elasticity, PROM Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

llnl/libROM#185 · 15 comments · Opened Feb 13, 2023
Which viewer to use in Visit? Open

Difficulty 1/5 Under an hour Newbie friendliness 25/100

llnl/libROM#183 · 1 comment · Opened Feb 9, 2023
Names collision Open

llnl/libROM#156 · 2 comments · 1 assignee · Opened Nov 8, 2022
Spack build fails with MFEM Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

llnl/libROM#96 · 1 comment · Opened Feb 18, 2022
libROM with Dealii Open

enhancement help wanted

llnl/libROM#92 · 6 comments · 1 assignee · Opened Jan 20, 2022
Add empty Fortran source file to force Fortran linkage in CMake Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

llnl/libROM#30 · Opened Sep 25, 2019
Add members and methods denoting comm ownership for Matrix and Vector methods Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

llnl/libROM#28 · Opened Jul 29, 2019
Add parallel test runner Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llnl/libROM#27 · Opened Jul 29, 2019
Remove Perl dependency. Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

llnl/libROM#18 · Opened Jul 5, 2019
Add dependency version information to INSTALL Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

llnl/libROM#17 · Opened Jul 5, 2019
Remove support for Elemental and clean up the QDEIM support. Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

llnl/libROM#16 · Opened Jul 5, 2019
Migrate build system from autotools to CMake Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

llnl/libROM#15 · Opened Jul 3, 2019
spack build fails Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

llnl/libROM#5 · 6 comments · Opened Jun 8, 2019
Make CAROM::Vector compliant with the rule of 3 (or 5) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

llnl/libROM#4 · 1 comment · Opened Mar 20, 2019
Add developer/design documentation. Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

llnl/libROM#3 · Opened Mar 20, 2019
Add a self-contained example Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

llnl/libROM#2 · Opened Mar 20, 2019

llnl/libROM

Get new issues in your inbox