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#mpi (30 Repositories)

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

Topic Avg Merge Rate

29.2%

Avg Review Latency

30.0h

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30 repositories tagged #mpi

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 TierFOFortran 1.7k

ElmerCSC/elmerfem

Official git repository of Elmer FEM software

68.2%
Merge Rate
<1h
First Review
25%
1st-Timers
10
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 246 4 GFIs

helmholtz-analytics/heat

Distributed tensors and Machine Learning framework with GPU and MPI acceleration in Python

76.4%
Merge Rate
19h
First Review
43%
1st-Timers
10
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
B TierPython 920

mpi4py/mpi4py

Python bindings for MPI

87.0%
Merge Rate
7d
First Review
100%
1st-Timers
1
Maintainers
A TierC 684

pmodels/mpich

Official MPICH Repository

45.8%
Merge Rate
1h
First Review
50%
1st-Timers
16
Maintainers
B TierJUJulia 438

JuliaParallel/MPI.jl

MPI wrappers for Julia

68.8%
Merge Rate
<1h
First Review
50%
1st-Timers
6
Maintainers
B TierJUJulia 148

gridap/GridapDistributed.jl

Parallel distributed-memory version of Gridap

92.9%
Merge Rate
19d
First Review
100%
1st-Timers
1
Maintainers
B TierC 1.7k

openucx/ucx

Unified Communication X (mailing list - https://elist.ornl.gov/mailman/listinfo/ucx-group)

12.5%
Merge Rate
1h
First Review
0%
1st-Timers
18
Maintainers
B TierJUJulia 180

JuliaParallel/PETSc.jl

Julia wrappers for the PETSc library

71.4%
Merge Rate
-
First Review
75%
1st-Timers
2
Maintainers
B TierJUJulia 204

eth-cscs/ImplicitGlobalGrid.jl

Almost trivial distributed parallelization of stencil-based GPU and CPU applications on a regular staggered grid

80.0%
Merge Rate
2d
First Review
0%
1st-Timers
3
Maintainers
C TierJUJulia 152

Julia-Tempering/Pigeons.jl

Sampling from intractable distributions, with support for distributed and parallel methods

46.2%
Merge Rate
7d
First Review
0%
1st-Timers
1
Maintainers
D TierC++ 363

lattice/quda

QUDA is a library for performing calculations in lattice QCD on GPUs.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierJUJulia 133

PartitionedArrays/PartitionedArrays.jl

Large-scale, distributed, sparse linear algebra in Julia.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC++ 493

haptork/easyLambda

distributed dataflows with functional list operations for data processing with C++14

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC++ 162

openPMD/openPMD-api

:floppy_disk: C++ & Python API for Scientific I/O

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC++ 368

ashvardanian/ForkUnion

Low-latency NUMA-aware fork-join thread-pool with zero allocations, syscalls, CAS, or false-sharing on the hot path for C, C++, Rust, and Zig 🍴

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC 475

ParRes/Kernels

This is a set of simple programs that can be used to explore the features of a parallel platform.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC 799

libtom/libtommath

LibTomMath is a free open source portable number theoretic multiple-precision integer library written entirely in C.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC 999

openhpc/ohpc

OpenHPC Integration, Packaging, and Test Repo

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC 476

amkozlov/raxml-ng

RAxML Next Generation: faster, easier-to-use and more flexible

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC 312

openucx/ucc

Unified Collective Communication Library

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC++ 442

alibaba/libgrape-lite

🍇 A C++ library for parallel graph processing (GRAPE) 🍇

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC++ 444

SmileiPIC/Smilei

Particle-in-cell code for plasma simulation

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierFOFortran 204

Goddard-Fortran-Ecosystem/pFUnit

Parallel Fortran Unit Testing Framework

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierFOFortran 156

cp2k/dbcsr

DBCSR: Distributed Block Compressed Sparse Row matrix library

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC++ 106

PhasicFlow/phasicFlow

Parallel, highly efficient code (CPU and GPU) for DEM and CFD-DEM simulations.

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierGo 532

kubeflow/mpi-operator

Kubernetes Operator for MPI-based applications (distributed training, HPC, etc.)

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
D TierC++ 332

BirolLab/abyss

:microscope: Assemble large genomes using short reads

0.0%
Merge Rate
-
First Review
0%
1st-Timers
0
Maintainers
Best Mpi Open Source Repositories & C-Rank™ | GetMerged