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#hpc (30 Repositories)

Ranked open-source repositories tagged with #hpc, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

79.1%

Avg Review Latency

29.6h

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30 repositories tagged #hpc

S TierPython 57 1 GFIs

ascii-supply-networks/dagster-slurm

Dagster SLURM integration

96.1%
Merge Rate
<1h
First Review
100%
1st-Timers
4
Maintainers
S TierC 852

hypre-space/hypre

Parallel solvers for sparse linear systems featuring multigrid methods.

97.4%
Merge Rate
5h
First Review
100%
1st-Timers
5
Maintainers
S TierGo 2.0k

apptainer/apptainer

Apptainer: Application containers for Linux

93.5%
Merge Rate
6h
First Review
75%
1st-Timers
13
Maintainers
A TierC++ 398 2 GFIs

QMCPACK/qmcpack

Main repository for QMCPACK, an open-source production level many-body ab initio Quantum Monte Carlo code for computing the electronic structure of atoms, molecules, and solids with full performance portable GPU support

89.9%
Merge Rate
1d
First Review
71%
1st-Timers
12
Maintainers
A TierPython 669

lablup/backend.ai

Backend.AI is a streamlined, container-based computing cluster platform that hosts popular computing/ML frameworks and diverse programming languages, with pluggable heterogeneous accelerator support including CUDA GPU, ROCm GPU, Gaudi NPU, Google TPU, GraphCore IPU and other NPUs.

80.3%
Merge Rate
20h
First Review
72%
1st-Timers
16
Maintainers
A TierC++ 1.4k

trilinos/Trilinos

Primary repository for the Trilinos Project

76.3%
Merge Rate
3h
First Review
79%
1st-Timers
29
Maintainers
A TierPython 235

facebookresearch/gcm

GPU Cluster Monitoring (GCM): Large-Scale AI Research Cluster Monitoring

88.9%
Merge Rate
<1h
First Review
80%
1st-Timers
7
Maintainers
A TierGo 423

nebius/soperator

Run Slurm in Kubernetes

80.1%
Merge Rate
14h
First Review
75%
1st-Timers
14
Maintainers
A TierPython 141 1 GFIs

spack/spack-packages

Spack's community package recipes

84.2%
Merge Rate
2d
First Review
81%
1st-Timers
119
Maintainers
A TierRust 112

tracel-ai/cubek

CubeK: high-performance multi-platform kernels in CubeCL

87.7%
Merge Rate
5d
First Review
60%
1st-Timers
7
Maintainers
A TierC++ 1.7k

dealii/dealii

The development repository for the deal.II finite element library

88.7%
Merge Rate
2d
First Review
76%
1st-Timers
36
Maintainers
A TierJavaScript 500

OSC/ondemand

Supercomputing. Seamlessly. Open, Interactive HPC Via the Web

78.9%
Merge Rate
19h
First Review
71%
1st-Timers
24
Maintainers
A TierC++ 1.5k

uccl-project/uccl

UCCL is an efficient communication library for GPUs, covering collectives, P2P (e.g., KV cache transfer, RL weight transfer), and EP (e.g., GPU-driven)

91.0%
Merge Rate
7d
First Review
86%
1st-Timers
12
Maintainers
A TierC++ 296

llnl/blt

A streamlined CMake build system foundation for developing HPC software

100.0%
Merge Rate
20h
First Review
100%
1st-Timers
2
Maintainers
A TierC++ 1.4k

jfalcou/eve

Expressive Vector Engine - SIMD in C++ Goes Brrrr

72.7%
Merge Rate
3h
First Review
100%
1st-Timers
2
Maintainers
B TierGo 990

sylabs/singularity

SingularityCE is the Community Edition of Singularity, an open source container platform designed to be simple, fast, and secure.

75.4%
Merge Rate
18h
First Review
100%
1st-Timers
1
Maintainers
A TierFOFortran 413

MFlowCode/MFC

Exascale multiphase flow solver — 2025 Gordon Bell Prize Finalist | 200T grid points on 43K+ GPUs

70.4%
Merge Rate
1h
First Review
60%
1st-Timers
12
Maintainers
A TierPython 277

Quantum-Accelerators/quacc

quacc is a flexible platform for computational materials science and quantum chemistry that is built for the big data era.

80.0%
Merge Rate
3d
First Review
67%
1st-Timers
2
Maintainers
A TierPython 711

devitocodes/devito

DSL and compiler framework for automated finite-differences and stencil computation

75.0%
Merge Rate
17h
First Review
57%
1st-Timers
7
Maintainers
A TierFOFortran 1.2k 8 GFIs

cp2k/cp2k

Quantum chemistry and solid state physics software package

16.7%
Merge Rate
2h
First Review
50%
1st-Timers
15
Maintainers
A TierC 2.6k

open-mpi/ompi

Open MPI main development repository

68.0%
Merge Rate
3h
First Review
56%
1st-Timers
19
Maintainers
A TierC++ 195 1 GFIs

llnl/axom

CS infrastructure components for HPC applications

75.7%
Merge Rate
14h
First Review
44%
1st-Timers
18
Maintainers
A TierZig 4.0k

zml/zml

Any model. Any hardware. Zero compromise. Built with @ziglang / @openxla / MLIR / @bazelbuild

78.5%
Merge Rate
4d
First Review
59%
1st-Timers
24
Maintainers
B TierC++ 417

llnl/Caliper

Caliper is an instrumentation and performance profiling library

94.7%
Merge Rate
-
First Review
100%
1st-Timers
0
Maintainers
A TierC 684

pmodels/mpich

Official MPICH Repository

45.8%
Merge Rate
1h
First Review
50%
1st-Timers
16
Maintainers
B TierJUJulia 49.0k 2 GFIs

JuliaLang/julia

The Julia Programming Language

65.3%
Merge Rate
1d
First Review
49%
1st-Timers
66
Maintainers
B TierScala 1.1k

broadinstitute/cromwell

Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments

87.1%
Merge Rate
5d
First Review
100%
1st-Timers
5
Maintainers
B TierFOFortran 241 1 GFIs

ExtremeFLOW/neko

/ᐠ. 。.ᐟ\ᵐᵉᵒʷˎˊ˗

66.7%
Merge Rate
5h
First Review
100%
1st-Timers
2
Maintainers
B TierJUJupyter Notebook 375

NVIDIA/cuda-q-academic

This repo contains CUDA-Q Academic materials, including self-paced Jupyter notebook modules for building and optimizing hybrid quantum-classical algorithms using CUDA-Q.

100.0%
Merge Rate
1d
First Review
100%
1st-Timers
0
Maintainers
B TierJUJulia 438

JuliaParallel/MPI.jl

MPI wrappers for Julia

68.8%
Merge Rate
<1h
First Review
50%
1st-Timers
6
Maintainers
Best Hpc Open Source Repositories & C-Rank™ | GetMerged