ORNL/ReSolve

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Library of GPU-resident linear solvers

Stars: 84
Forks: 13
Open beginner issues: 0
Indexed issues: 30

Dominant language: C++
License: No license data
Last GitHub push: Aug 12, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

30 open issues indexed

Support unpreconditioned GMRES Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ORNL/ReSolve#467 · Opened Aug 7, 2026
Bug: GMRES uses inconsistent convergence criteria in the outer and inner loops Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

ORNL/ReSolve#465 · Opened Aug 3, 2026
Support P and Q permutations provided by the user in `LinSolverDirectKLU` Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

ORNL/ReSolve#463 · Opened Jul 31, 2026
Add a getter for the preconditioned initial residual from iterative solvers. Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

ORNL/ReSolve#462 · Opened Jul 31, 2026
SystemSolver still uses string to select preconditioning side Open

enhancement good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

ORNL/ReSolve#439 · 1 reaction · Opened Jul 10, 2026
New vector operation: subvector Open

enhancement question

Difficulty 3/5 1-2 days Newbie friendliness 48/100

ORNL/ReSolve#420 · 2 comments · Opened Apr 21, 2026
Interface for CFD solver Open

good first issue iterative solver

ORNL/ReSolve#399 · 3 comments · 1 assignee · Opened Dec 9, 2025
Implement A := c*A+B method in `MatrixHandler` Open

cuda enhancement hip

ORNL/ReSolve#393 · 4 comments · 1 assignee · Opened Nov 12, 2025
Bug: 35/46 tests fail on ROCm when using address sanitizers. Open

bug

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

ORNL/ReSolve#388 · Opened Oct 10, 2025
Bug: 38/49 tests fail on CUDA when using address sanitizers. Open

bug

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

ORNL/ReSolve#387 · 1 comment · Opened Oct 10, 2025
Warnings in the CUDA backend Open

compiler warnings cuda

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ORNL/ReSolve#372 · 1 comment · Opened Sep 5, 2025
rework workspaces Open

cuda enhancement hip question

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

ORNL/ReSolve#345 · 1 comment · Opened Jul 22, 2025
improve error handling and propagation in resolve Open

bug compiler warnings documentation enhancement

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

ORNL/ReSolve#344 · 1 comment · 1 reaction · Opened Jul 22, 2025
Enable automatic checks after precommit fixes. Open

ORNL/ReSolve#340 · 1 comment · 3 assignees · Opened Jul 18, 2025
Write unit tests for Coo matrix class Open

ORNL/ReSolve#304 · 1 assignee · Opened Jun 5, 2025
Write unit tests for Csc matrix class Open

cuda hip testing

ORNL/ReSolve#303 · 1 assignee · Opened Jun 5, 2025
Feature: Write unit tests for Csr matrix class Open

cuda enhancement hip testing

ORNL/ReSolve#302 · 1 assignee · Opened Jun 5, 2025
MatrixHandlerTests.hpp (possibly others) tests undocumented Open

documentation testing

ORNL/ReSolve#247 · 1 reaction · 1 assignee · Opened Mar 11, 2025
Add spack test support to resolve package.py Open

spack testing

ORNL/ReSolve#152 · 2 comments · 2 assignees · Opened Jun 7, 2024
Dev Container configuration file already exists but is not being used Open

bug documentation

ORNL/ReSolve#121 · 1 comment · 2 assignees · Opened Dec 16, 2023
Make parameter controlling which "mass axpy" function to use configurable Open

cuda enhancement

ORNL/ReSolve#112 · 2 assignees · Opened Dec 13, 2023
Consider using const in ReSolve code more aggressively Open

enhancement

ORNL/ReSolve#89 · 1 assignee · Opened Nov 29, 2023
Consider using smart pointers in ReSolve Open

enhancement

ORNL/ReSolve#88 · 2 comments · 1 assignee · Opened Nov 29, 2023
Setting performance tuning parameters for GPU kernels Open

cuda enhancement hip question

ORNL/ReSolve#85 · 2 assignees · Opened Nov 28, 2023
Add platform agnostic profiling support Open

ORNL/ReSolve#63 · 3 comments · 1 reaction · 2 assignees · Opened Nov 3, 2023
Consider deploying sparse solvers on GPU streams Open

enhancement

ORNL/ReSolve#35 · 2 assignees · Opened Oct 26, 2023
Should memory allocation check if the pointer is NULL? Open

enhancement

ORNL/ReSolve#19 · 2 assignees · Opened Oct 18, 2023
Naming scheme for vector classes Open

enhancement question

ORNL/ReSolve#18 · 2 comments · 2 assignees · Opened Oct 18, 2023
Ensure CUDA kernels will run correctly regardless of calling function Open

ORNL/ReSolve#16 · 2 assignees · Opened Oct 18, 2023
Implement performance tests Open

ORNL/ReSolve#7 · 1 reaction · 1 assignee · Opened Oct 16, 2023

ORNL/ReSolve

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