Alpine-DAV/ascent⭐️ 188 C++
A flyweight in situ visualization and analysis runtime for multi-physics HPC simulations
![](https://avatars.githubusercontent.com/u/25645886?v=4)
flux-framework/flux-core⭐️ 162 C
core services for the Flux resource management framework
![](https://avatars.githubusercontent.com/u/7545483?v=4)
flux-framework/flux-sched⭐️ 84 C++
Fluxion Graph-based Scheduler
![](https://avatars.githubusercontent.com/u/7545483?v=4)
GEOS-DEV/LvArray⭐️ 46 C++
Portable HPC Containers (C++)
![](https://avatars.githubusercontent.com/u/38363894?v=4)
hypre-space/hypre⭐️ 654 C
Parallel solvers for sparse linear systems featuring multigrid methods.
![](https://avatars.githubusercontent.com/u/44828226?v=4)
LLNL/axom⭐️ 147 C++
CS infrastructure components for HPC applications
![](/radiuss/assets/img/custom/avatars/llnl-axom.png)
LLNL/b-mpi3⭐️ 19 C++
This aims to be an wrapper to C-MPI3 for C++, using the principles of simplicity, STL, RAII and...
![](https://avatars.githubusercontent.com/u/5921419?v=4)
LLNL/CARE⭐️ 28 C++
CHAI and RAJA provide an excellent base on which to build portable codes. CARE expands that funct...
![](https://avatars.githubusercontent.com/u/5921419?v=4)
LLNL/CHAI⭐️ 104 C++
Copy-hiding array abstraction to automatically migrate data between memory spaces
![](https://avatars.githubusercontent.com/u/5921419?v=4)
LLNL/conduit⭐️ 207 C++
Simplified Data Exchange for HPC Simulations
![](/radiuss/assets/img/custom/avatars/llnl-conduit.png)
LLNL/hiop⭐️ 208 C++
HPC solver for nonlinear optimization problems
![](https://avatars.githubusercontent.com/u/5921419?v=4)
LLNL/merlin⭐️ 116 Python
Machine Learning for HPC Workflows
![](/radiuss/assets/img/custom/avatars/llnl-merlin.png)
LLNL/merlin-spellbook⭐️ 7 Python
Useful utilities for merlin workflows!
![](/radiuss/assets/img/custom/avatars/llnl-merlin.png)
LLNL/MerlinWorkflows⭐️ 1 Python
Example Merlin Workflows
![](/radiuss/assets/img/custom/avatars/llnl-merlin.png)
LLNL/SAMRAI⭐️ 216 C++
Structured Adaptive Mesh Refinement Application Infrastructure - a scalable C++ framework for blo...
![](https://avatars.githubusercontent.com/u/5921419?v=4)
LLNL/scr⭐️ 97 C
SCR caches checkpoint data in storage on the compute nodes of a Linux cluster to provide a fast, ...
![](https://avatars.githubusercontent.com/u/5921419?v=4)
LLNL/Umpire⭐️ 307 C++
An application-focused API for memory management on NUMA & GPU architectures
![](/radiuss/assets/img/custom/avatars/llnl-umpire.png)
LLNL/zfp⭐️ 756 C++
Compressed numerical arrays that support high-speed random access
![](https://avatars.githubusercontent.com/u/5921419?v=4)
visit-dav/visit⭐️ 412 C
VisIt - Visualization and Data Analysis for Mesh-based Scientific Data
![](https://avatars.githubusercontent.com/u/26772601?v=4)
XBraid/xbraid⭐️ 69 C
XBraid Parallel-in-Time Solvers
![](https://avatars.githubusercontent.com/u/40677217?v=4)