llnl/conduit

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Simplified Data Exchange for HPC Simulations

Stars: 248
Forks: 72
Open beginner issues: 1
Indexed issues: 212
Avg merge: 1d 16h
Merged PRs (30d): 15

Dominant language: C++
License: No license data
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

212 open issues indexed

Add "known version" to `cmake_minimum_required` in `ConduitConfig.cmake` Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

llnl/conduit#1697 · Opened Sep 10, 2026
Thoroughly remove s2dmap and d2smap for `generate_centroids` Open

llnl/conduit#1689 · 1 assignee · Opened Aug 28, 2026
consider beefing up error checking in relay hdf5 option ingestion logic Open

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

llnl/conduit#1681 · Opened Aug 24, 2026
consider adding ndarray detection heuristics options to hdf5 support Open

design feature

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

llnl/conduit#1680 · Opened Aug 22, 2026
The docs for the braid example are misleading Open

docs

Difficulty 1/5 Under an hour Newbie friendliness 85/100

llnl/conduit#1677 · 1 reaction · Opened Aug 20, 2026
Address windows issues with turning on python by default Open

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

llnl/conduit#1669 · Opened Aug 7, 2026
Make docs width expand with browser Open

docs

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

llnl/conduit#1667 · Opened Aug 5, 2026
Add citation information/shortcut to the README.md Open

docs

Difficulty 1/5 Under an hour Newbie friendliness 91/100

llnl/conduit#1659 · Opened Jul 29, 2026
Explore adding an overload to the `to_<topology>` transforms that accepts a coordset name directly and skips coordset creation Open

feature

llnl/conduit#1655 · 2 comments · 1 assignee · Opened Jul 22, 2026
The topology_transform_dtypes test under t_blueprint_mesh_transform.cpp is broken Open

llnl/conduit#1654 · 3 comments · 1 assignee · Opened Jul 22, 2026
add example of conduit::relay::mpi::io::blueprint::save_mesh to docs Open

docs

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

llnl/conduit#1641 · Opened Jul 2, 2026
Device Support: Port Blueprint Transforms to the GPU Open

llnl/conduit#1637 · 2 assignees · Opened Jun 26, 2026
Make `Request` non-copyable Open

bug

llnl/conduit#1633 · 2 comments · 1 assignee · Opened Jun 24, 2026
Add `Node` move constructor Open

feature

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

llnl/conduit#1632 · Opened Jun 24, 2026
Conduit Device Support Ongoing Development Open

design docs feature performance

llnl/conduit#1614 · 22 comments · 2 assignees · Opened May 26, 2026
Partitioner future work Open

llnl/conduit#1609 · 1 assignee · Opened May 18, 2026
util to flatten vector field into multiple fields and go back Open

feature

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

llnl/conduit#1605 · Opened May 12, 2026
Flesh out Blueprint protocol documentation for mixed-vars / material-dependent fields Open

llnl/conduit#1602 · 1 assignee · Opened May 8, 2026
Consider splitting Blueprint protocol documentation into separate pages Open

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

llnl/conduit#1601 · 1 comment · Opened May 8, 2026
Enhance conduit_generate_data program so it calls conduit::blueprint::mesh::examples::generate() Open

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

llnl/conduit#1598 · Opened May 8, 2026
Add material colors to blueprint specification Open

llnl/conduit#1596 · 1 assignee · Opened May 7, 2026
conduit util to coalesce related vf fields into a matset and matset values Open

llnl/conduit#1585 · 7 comments · 1 assignee · Opened Apr 21, 2026
Overlink I/O: Create Symlinks Open

llnl/conduit#1584 · 1 comment · 1 assignee · Opened Apr 21, 2026
add intel open api 2025 ci test Open

task

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

llnl/conduit#1576 · Opened Apr 14, 2026
Mesh Blueprint: consider support for different storage layouts (e.g., column-major) for describing unstructured mesh connectivity Open

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

llnl/conduit#1571 · Opened Apr 11, 2026
selectable partitioner index type Open

feature

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

llnl/conduit#1559 · Opened Mar 31, 2026
ABI issue with CONDUIT_INDEX_32 Open

bug design question

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

llnl/conduit#1558 · 1 comment · Opened Mar 30, 2026
Matset Multi-buffer indirection case Open

design

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

llnl/conduit#1554 · 1 comment · Opened Mar 25, 2026
amr to poly flatten examples generator Open

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

llnl/conduit#1542 · 2 comments · Opened Mar 10, 2026
Partition options table is formatted badly in the docs Open

docs

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

llnl/conduit#1540 · Opened Mar 9, 2026
add stand alone partitioning mesh tool Open

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

llnl/conduit#1538 · Opened Mar 7, 2026
Time series in one root file Open

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

llnl/conduit#1526 · Opened Feb 24, 2026
audit pystring from string helper , do we still need it? Open

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

llnl/conduit#1519 · Opened Feb 5, 2026
Material dependent fields are unsupported in the silo writer + matset field converters Open

bug

llnl/conduit#1509 · 1 assignee · Opened Jan 29, 2026
relay io zfp tests fail with hdf5 2.0 Open

bug

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

llnl/conduit#1500 · Opened Jan 13, 2026
See if new silo 4.12 fixes namescheme issues Open

bug

llnl/conduit#1484 · 1 assignee · Opened Dec 11, 2025
Allow CSR-Style Offsets as an Alternative Encoding for Unstructured Topologies Open

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

llnl/conduit#1483 · 7 comments · Opened Dec 10, 2025
Document Strided Structured Material Sets Open

docs

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

llnl/conduit#1471 · 1 comment · Opened Oct 28, 2025
extra silo read options Open

feature

llnl/conduit#1466 · 1 assignee · Opened Sep 17, 2025
silo data is too large Open

llnl/conduit#1464 · 1 assignee · Opened Sep 10, 2025
add conduit schema interface to C API Open

feature

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

llnl/conduit#1462 · Opened Sep 9, 2025
In-memory serialization/deserialization of Conduit Nodes Open

feature

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

llnl/conduit#1459 · 11 comments · Opened Aug 27, 2025
partial i/o for blueprint mesh read Open

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

llnl/conduit#1456 · Opened Aug 21, 2025
passing multi-dimensional array Open

question

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

llnl/conduit#1446 · 5 comments · Opened Jun 20, 2025
Partitioner fails when multiple topologies provide adjsets. Open

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

llnl/conduit#1444 · Opened Jun 14, 2025
Utility to reorder material ids Open

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

llnl/conduit#1443 · Opened Jun 10, 2025
Read lists from RelayIOHandle Open

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

llnl/conduit#1441 · Opened Jun 10, 2025
consider changing CONDUIT_EPSILON to std::numeric_limits<double>::epsilon() Open

question

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

llnl/conduit#1437 · Opened May 27, 2025
add support for strided structured source meshes to `to_unstructued` Open

bug

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

llnl/conduit#1436 · 3 comments · Opened May 21, 2025
generate_corners() does not work for "mixed" unstructured topology. Open

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

llnl/conduit#1429 · Opened Apr 23, 2025

llnl/conduit

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