lanl/singularity-eos

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Performance portable equations of state and mixed cell closures

Stars: 39
Forks: 22
Open beginner issues: 0
Indexed issues: 96
Avg merge: 10h 22m
Merged PRs (30d): 3

Dominant language: C++
License: BSD-3-Clause
Last GitHub push: Sep 4, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted

Beginner friendly Everything

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96 issues indexed so far

printf usage in performance critical functions Open

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

lanl/singularity-eos#656 · 1 comment · 1 reaction · Opened Sep 10, 2026
Performance Suite Open

good issue for AI Performance Testing

Difficulty 5/5 Over a week Newbie friendliness 38/100

lanl/singularity-eos#651 · Opened Aug 13, 2026
Way to build pybind11 in-tree without cmake fetch content Open

build clean-up

lanl/singularity-eos#642 · 1 assignee · Opened Jun 29, 2026
Make our internal CI runners report their status to github Open

good issue for AI Testing

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

lanl/singularity-eos#631 · Opened Apr 9, 2026
plugins infrastructure brittle with spack Open

build

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

lanl/singularity-eos#624 · Opened Mar 30, 2026
sesame2spiner crash Open

bug

lanl/singularity-eos#621 · 2 assignees · Opened Mar 26, 2026
use consistent forwarding in constructors for PTESolver classes Open

clean-up good first issue

Difficulty 3/5 1-2 days Newbie friendliness 42/100

lanl/singularity-eos#619 · Opened Mar 21, 2026
Mitigation strategies for Maxwell-constructed EOS in the PTE Solvers Open

bug

lanl/singularity-eos#613 · 1 comment · 1 assignee · Opened Mar 12, 2026
Add `MinimumPressureAtTemperature()` Open

enhancement

lanl/singularity-eos#612 · 1 reaction · 1 assignee · Opened Mar 12, 2026
3T physics with PTE Open

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

lanl/singularity-eos#602 · 5 comments · 1 reaction · Opened Jan 26, 2026
PTE solver methods should be able to take different array types Open

enhancement help wanted Robustness

Difficulty 5/5 Over a week Newbie friendliness 35/100

lanl/singularity-eos#599 · 1 comment · 1 reaction · Opened Jan 8, 2026
Change release versioning to match the rest of the singularity ecosystem Open

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

lanl/singularity-eos#597 · Opened Dec 16, 2025
More useful hdf5 error messages Open

lanl/singularity-eos#592 · 1 comment · 2 assignees · Opened Dec 10, 2025
MultiEOS class does not properly serialize Open

bug help wanted

Difficulty 3/5 1-2 days Newbie friendliness 30/100

lanl/singularity-eos#577 · Opened Oct 10, 2025
Build spiner with strict warnings Open

build clean-up

lanl/singularity-eos#572 · 1 comment · 1 reaction · 2 assignees · Opened Sep 25, 2025
Address warnings in analytic tests from the Mie Gruneisen Us-up EOS Open

bug good first issue Testing

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

lanl/singularity-eos#565 · 1 reaction · Opened Sep 17, 2025
`CheckRhoSieFromPT` is a bit weird Open

discussion Robustness Testing

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

lanl/singularity-eos#562 · 1 comment · Opened Sep 9, 2025
Utilize CTAD in the code more widely Open

clean-up good first issue

Difficulty 5/5 Over a week Newbie friendliness 30/100

lanl/singularity-eos#554 · Opened Aug 28, 2025
Use generic indexer in the code more Open

clean-up

lanl/singularity-eos#553 · 1 assignee · Opened Aug 28, 2025
Split MixParams Open

good first issue help wanted

lanl/singularity-eos#550 · 1 assignee · Opened Aug 25, 2025
Matrix solvers for the Jacobian Open

help wanted Robustness

lanl/singularity-eos#549 · 1 reaction · 1 assignee · Opened Aug 25, 2025
Should the PTE solvers do something sensible for N=1 systems? Open

clean-up

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

lanl/singularity-eos#547 · 1 comment · 1 reaction · Opened Aug 19, 2025
Reduce the system for the fixed temperature PTE solver? Open

enhancement help wanted

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

lanl/singularity-eos#546 · Opened Aug 19, 2025
Create spinerEOS constructor that takes a method to populate the spiner grid and some settings for the grid Open

enhancement good first issue

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

lanl/singularity-eos#544 · 2 comments · Opened Aug 18, 2025
Expose several additional options in sesame2spiner Open

enhancement good first issue help wanted

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

lanl/singularity-eos#542 · 1 comment · Opened Aug 15, 2025
Add extrapolation to rho = 0 for spiner tables Open

enhancement good first issue help wanted

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

lanl/singularity-eos#541 · 1 reaction · Opened Aug 15, 2025
Add explicit file and material ID checking to `spinerEOS` Open

good first issue Robustness

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

lanl/singularity-eos#516 · 1 reaction · Opened Jun 19, 2025
EOS copies impacting performance with small array calls Open

interface Performance

lanl/singularity-eos#508 · 17 comments · 1 assignee · Opened May 19, 2025
Backwards compatibility with makefiles Open

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

lanl/singularity-eos#498 · Opened Apr 24, 2025
add workflow for using spiner to docs Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

lanl/singularity-eos#497 · Opened Apr 22, 2025
Add docs for the fortran API Open

documentation good first issue help wanted

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

lanl/singularity-eos#490 · 1 comment · 1 reaction · Opened Apr 9, 2025
Issue with copy behavior in spiner EOS Open

bug Robustness

lanl/singularity-eos#482 · 1 comment · 1 assignee · Opened Mar 13, 2025
`SpinerEOSDependsRhoSie` doesn't have the same cold curve infrastructure that `SpinerEOSDependsRhoT` does Open

lanl/singularity-eos#474 · 1 reaction · 2 assignees · Opened Mar 3, 2025
thread lambdas through the get_sg_eos code Open

bug clean-up enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

lanl/singularity-eos#467 · 1 comment · Opened Feb 13, 2025
Cowan ion model Open

enhancement

lanl/singularity-eos#457 · 1 assignee · Opened Jan 28, 2025
More care for EOS extrapolation for tables Open

enhancement

lanl/singularity-eos#454 · 1 assignee · Opened Jan 9, 2025
Try to be more threadsafe with EOSPAC Open

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

lanl/singularity-eos#451 · 7 comments · Opened Jan 2, 2025
regula_falsi solver does not respect regions of validity Open

bug Robustness

Difficulty 4/5 3-5 days Newbie friendliness 32/100

lanl/singularity-eos#450 · 3 comments · Opened Dec 24, 2024
Constants Open

discussion help wanted question

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

lanl/singularity-eos#443 · 4 comments · Opened Dec 9, 2024
Some introspection about molecular structure Open

enhancement good first issue help wanted

lanl/singularity-eos#442 · 3 comments · 1 assignee · Opened Dec 5, 2024
Where can we use `uint32_t` instead of `size_t`? Open

clean-up

lanl/singularity-eos#441 · 1 assignee · Opened Dec 2, 2024
Should we remove forwarding references from PTE solvers? Open

bug clean-up discussion help wanted interface question

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

lanl/singularity-eos#438 · 4 comments · Opened Nov 29, 2024
EOSPAC tests fail when running with Kokkos+OpenMP Open

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

lanl/singularity-eos#412 · 2 comments · Opened Aug 28, 2024
Go through the `CheckParams` for each EOS and add more robust conditions Open

enhancement help wanted

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

lanl/singularity-eos#411 · 1 reaction · Opened Aug 27, 2024
EOSPAC backend update in CI Open

build Testing

lanl/singularity-eos#409 · 1 reaction · 1 assignee · Opened Aug 24, 2024
Add EOS to python interface Open

enhancement good first issue interface

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

lanl/singularity-eos#395 · 1 reaction · Opened Jul 23, 2024
Create generic PTE state check Open

enhancement interface Robustness

lanl/singularity-eos#388 · 1 assignee · Opened Jul 11, 2024
Make mass fraction cutoff a function argument Open

interface Robustness

lanl/singularity-eos#381 · 1 assignee · Opened Jun 19, 2024
Use EOSPAC value for bulk modulus in spiner Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

lanl/singularity-eos#371 · Opened May 4, 2024
Enhancements for `lambda` inputs. Open

clean-up enhancement

lanl/singularity-eos#369 · 1 assignee · Opened Apr 25, 2024

lanl/singularity-eos

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