Lehman Garrison

c-blosc2. A fast, compressed, persistent binary data store library for C.

pti-gpu. Profiling Tools Interfaces for GPU (PTI for GPU) is a set of Getting Started Documentation and Tools Library to start performance analysis on Intel(R) Processor Graphics easily

copper. scalable data movement in Exascale Supercomputers

bhumi. Python

smolgp. Gaussian Process State Space Models in Python/JAX

mpigdb. A wrapper arround mpiexec, gdbserver, and gdb that makes debugging MPI programs eaiser with a moderate number of processes.

ty-vscode. A Visual Studio Code extension for ty.

asdf-compression. Python

stacktower. Visualize package dependencies as XKCD-style tower diagrams. Supports Python, Rust, JavaScript, Ruby, PHP, Java, and Go.

dragon. Dragon distributed runtime for HPC and AI applications and workflows

fi-slurm-utils. Command-line utilities for Slurm HPC clusters

clair. Clair (Clang Introspection and Reflection) tools. A set of clang tools developed for Flatiron/CCQ

clang-format-wheel. clang-format python wheels

clang-tidy-wheel. clang-tidy python wheels

mirrors-clang-format. mirror of https://github.com/ssciwr/clang-format-wheel for pre-commit

parrot. Parrot is an array fusion GPU library built on NVIDIA's CCCL libaries (Thrust/CUB).

nda. C++ library for multi-dimensional arrays. Supported by the Flatiron Institute.

pyrefly. A fast type checker and language server for Python

pbs-tui. TUI for PBS Pro Scheduler

mpich. Official MPICH Repository

wrapdb. New wrap requests

meson-python. Meson PEP 517 Python build backend

nifty-solve. Python

dungeon-paper-app. A Dungeon World character sheet app written with Flutter

zarrs. A Rust library for the Zarr storage format for multidimensional arrays and metadata

zarr-python. An implementation of chunked, compressed, N-dimensional arrays for Python.

zarrs-python. A CodecPipeline for zarr-python backed by the zarrs Rust crate

abacus-public. A high-performance N-body code for cosmological simulations

spack-packages. Spack's community package recipes

TabCorr. Tabulated Correlation Functions

WSL. Windows Subsystem for Linux

firefox. The official repository of Mozilla's Firefox web browser.

ty. An extremely fast Python type checker and language server, written in Rust.

gala. Galactic and gravitational dynamics in Python

cuda-python. CUDA Python: Performance meets Productivity

ripgrep. ripgrep recursively searches directories for a regex pattern while respecting your gitignore

fd. A simple, fast and user-friendly alternative to 'find'

EXP. Basis Function Expansion C++ library and Python package for running N-body galactic simulations and dynamical discovery

cephdu. A ncdu-like TUI for the Ceph File System, using xattrs instead of crawling

NumKong. SIMD-accelerated distances, dot products, matrix ops, geospatial & geometric kernels for 16 numeric types — from 6-bit floats to 64-bit complex — across x86, Arm, RISC-V, and WASM, with bindings for Python, Rust, C, C++, Swift, JS, and Go 📐

python-build-standalone. Produce redistributable builds of Python

asciinema. Terminal session recorder, streamer and player 📹

rr. Record and Replay Framework

markdown-here. Google Chrome, Firefox, and Thunderbird extension that lets you write email in Markdown and render it before sending.

benchpark. An open collaborative repository for reproducible specifications of HPC benchmarks and cross site benchmarking environments

speedscope. 🔬 A fast, interactive web-based viewer for performance profiles.

mpi-rockstar. MPI-Rockstar: a Hybrid MPI and OpenMP Parallel Implementation of the Rockstar Halo finder

lsst-dsfp-session21. Lectures and problem sets for LSST DSFP Session 21, classes IX and X (NumPy, Numba, Numba CPU parallelism, CuPy, Numba CUDA)

jj. A Git-compatible VCS that is both simple and powerful

python-hpc-frameworks. List of Python frameworks for developing HPC applications

OSACA. Open Source Architecture Code Analyzer

tutorial-multi-gpu. Efficient Distributed GPU Programming for Exascale, an SC/ISC Tutorial

pytest-codspeed. A pytest plugin to create benchmarks

numba-cuda. The CUDA target for Numba

uv. An extremely fast Python package and project manager, written in Rust.

cibuildwheel. 🎡 Build Python wheels for all the platforms with minimal configuration.

speedscope-in-vscode. VSCode extension for viewing Speedscope flamegraphs

nanobind. nanobind: tiny and efficient C++/Python bindings

fmt. A modern formatting library

jax_nersc_distributed_demo. Distributed JAX at NERSC (demo).

ips4o. In-place Parallel Super Scalar Samplesort (IPS⁴o)

PPQSort. PPQSort - Parallel Pattern Quicksort.

gpu-python-tutorial. GPU Development in Python 101 tutorial

abi3audit. Scans Python packages for abi3 violations and inconsistencies

cupy-nanobind-example. A tiny demo of calling nanobind with a cupy array

powerlevel10k. A Zsh theme

monaspace. An innovative superfamily of fonts for code

commit-mono. Commit Mono is an anonymous and neutral programming typeface.

programmingfonts. Test drive programming fonts online: the definitive list of fonts for code.

cupy. NumPy & SciPy for GPU

coreutils. Cross-platform Rust rewrite of the GNU coreutils

nifty-ls. A fast Lomb-Scargle periodogram. It's nifty, and uses a NUFFT!

pre-commit. A framework for managing and maintaining multi-language pre-commit hooks.

nvtop. GPU & Accelerator process monitoring for AMD, Apple, Huawei, Intel, NVIDIA and Qualcomm

profila. A profiler for Numba

cccl. CUDA Core Compute Libraries

kokkos. Kokkos C++ Performance Portability Programming Ecosystem: The Programming Model - Parallel Execution and Memory Abstraction

dask-runners. Dask Runners

typst. A markup-based typesetting system that is powerful and easy to learn.

scikit-build-core. A next generation Python CMake adaptor and Python API for plugins

STREAM. STREAM benchmark

sshproxy. NERSC SSH Proxy Service

Sailing. A ram-pressure model for sailing

highway. Performance-portable, length-agnostic SIMD with runtime dispatch

survivoR. Data sets from Survivor in R

pyFFTW. A pythonic python wrapper around FFTW

scc-vscode-jupyterhub. VS Code server launcher for FI JupyterHub

globus-cli. A command line interface to Globus

globus-sdk-python. Globus SDK for Python

vscode-jupyter. VS Code Jupyter extension

x86-simd-sort. C++ template library for high performance SIMD based sorting algorithms

ruff. An extremely fast Python linter and code formatter, written in Rust.

doggo-bingo. gotta pet em all

SZ2. Error-bounded Lossy Data Compressor (for floating-point/integer datasets)

asdf-astropy. This is the extension library for ASDF to provide support for Astropy.

adventofcode. Holiday hacking because I'm a nerd

adventofcode2022. Advent of Code 2022, in Rust again!

distributed. A distributed task scheduler for Dask

Lmod. Lmod: An Environment Module System based on Lua, Reads TCL Modules, Supports a Software Hierarchy

threadpoolctl. Python helpers to limit the number of threads used in native libraries that handle their own internal threadpool (BLAS and OpenMP implementations)

reveal.js. The HTML Presentation Framework

hdf5plugin. Set of compression filters for h5py

dask-mpi. Deploy Dask using MPI4Py

dask-jobqueue. Deploy Dask on job schedulers like PBS, SLURM, and SGE

copier. Library and command-line utility for rendering projects templates.

upptime. ⬆️ GitHub Actions uptime monitor & status page by @AnandChowdhary

codimd. CodiMD - Realtime collaborative markdown notes on all platforms.

copier-python. A template for Python projects

Firefly. A WebGL interactive particle viewer

carbon-lang. Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

pocomc. pocoMC: A Python implementation of Preconditioned Monte Carlo for accelerated Bayesian Computation

typer. Typer, build great CLIs. Easy to code. Based on Python type hints.

AboveVTT. JavaScript

min-dalle. min(DALL·E) is a fast, minimal port of DALL·E Mini to PyTorch

click. Python composable command line interface toolkit

schwimmbad. A common interface to processing pools.

nix. Nix, the purely functional package manager

hugo. The world’s fastest framework for building websites.

FiraCode. Free monospaced font with programming ligatures

fastmod. A C/C++ header file for fast 32-bit division remainders (and divisibility tests) on 64-bit hardware.

memray. Memray is a memory profiler for Python

dft_simd. SIMD discrete Fourier transform tests and discussion

nvidia-persistenced. NVIDIA driver persistence daemon

FindTheGap. Python-based tools for finding gaps and valleys in data distribution with a twice-differentiable density estimator with finite support.

manyuniverses-viz. Scripts used to generate the "Many Universes of AbacusSummit" video

syclacademy. SYCL Academy, a set of learning materials for SYCL heterogeneous programming

mpv. 🎥 Command line media player

numba-2pcf. A Numba-based two-point correlation function calculator using a grid decomposition

nixpack. nix+spack = nixpack (spanix?)

mkdocs-material. Documentation that simply works

compiler-explorer. Run compilers interactively from your web browser and interact with the assembly

chapel. a Productive Parallel Programming Language

version2. Vector class library, latest version

llvm-project-cxxjit. Clang with JIT extensions

github-readme-stats. :zap: Dynamically generated stats for your github readmes

py-spy. Sampling profiler for Python programs

nufft-ls. Benchmarking LS periodogram implementations

rtds-action. Interface ReadTheDocs and GitHub Actions

tqdm. :zap: A Fast, Extensible Progress Bar for Python and CLI

ffmpeg-python. Python bindings for FFmpeg - with complex filtering support

ahlive. animate your data to life

tinygp. The tiniest of Gaussian Process libraries

meson. The Meson Build System

ninja. a small build system with a focus on speed

public_www. Basic templates for individual user pages in the public/_www directory

vscode. Visual Studio Code

wordle. A wordle simulator and an experiment in active learning

mold. mold: A Modern Linker 🦠

gh-action-pypi-publish. The blessed :octocat: GitHub Action, for publishing your :package: distribution files to PyPI, the tokenless way: https://github.com/marketplace/actions/pypi-publish

sphinx-book-theme. A clean book theme for scientific explanations and documentation with Sphinx

setuptools-scm. the blessed package to manage your versions by scm tags

integrate. N-body integration in Rust

discretionary. A tiny proc macro to make all your struct fields optional

rust. Empowering everyone to build reliable and efficient software.

parallel-numpy-rng. Parallel random number generation that produces the same result, regardless of the number of threads

apptainer. Apptainer: Application containers for Linux

singularity. Singularity has been renamed to Apptainer as part of us moving the project to the Linux Foundation. This repo has been persisted as a snapshot right before the changes.

libtree. ldd as a tree

exodus. Painless relocation of Linux binaries–and all of their dependencies–without containers.

altair. Declarative visualization library for Python

pytest. The pytest framework makes it easy to write small tests, yet scales to support complex functional testing

flatbuffers. FlatBuffers: Memory Efficient Serialization Library

charm. The Charm++ parallel programming system. Visit https://charmplusplus.org/ for more information.

zengl. OpenGL Rendering Pipelines for Python

jax. Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more

pycorr. 2-pt correlation function estimation

jax-finufft. JAX bindings to the Flatiron Institute Non-uniform Fast Fourier Transform (FINUFFT) library

mimalloc. mimalloc is a compact general purpose allocator with excellent performance.

kNN-CDFs. Jupyter Notebook

snakemake. This is the development home of the workflow management system Snakemake. For general information, see

showyourwork. A workflow for reproducible and open scientific articles

hissp. It's Python with a Lissp.

celeriac. Don't ask

SEDist. Python

thrust. [ARCHIVED] The C++ parallel algorithms library. See https://github.com/NVIDIA/cccl

certbot-rancher. Images to use certbot in Rancher environment without elevated privileges.

arepo. This the public version of the moving-mesh AREPO code for large-scale structure and galaxy formation simulations.

slurm. Slurm: A Highly Scalable Workload Manager

pykdtree. Fast kd-tree implementation in Python

emcee. The Python ensemble sampling toolkit for affine-invariant MCMC

sciware. Learning materials for scientific software development

rancher. Complete container management platform

pytesseract. A Python wrapper for Google Tesseract

tesseract. Tesseract Open Source OCR Engine (main repository)

linux. Linux kernel source tree

awesome-bootstrap-checkbox. ✔️Font Awesome Bootstrap Checkboxes & Radios. Pure css way to make inputs look prettier

Font-Awesome. The iconic SVG, font, and CSS toolkit

extending-jax. Extending JAX with custom C++ and CUDA code

spack. A flexible package manager that supports multiple versions, configurations, platforms, and compilers.

zfp. Compressed numerical arrays that support high-speed random access

desc-data-portal. LSST DESC Data Portal web app and the associated documentation and example notebooks.

pycuda. CUDA integration for Python, plus shiny features

benchmark. A microbenchmark support library

globus-sample-data-portal. A Python (Flask-based) web application implementing the Modern Research Data Portal pattern using the Globus platform.

libdivide. Official git repository for libdivide: optimized integer division

encore. encore: Efficient isotropic 2-, 3- and 4-point correlation functions in C++ and CUDA

tectonic. A modernized, complete, self-contained TeX/LaTeX engine, powered by XeTeX and TeXLive.

pybind11. Seamless operability between C++11 and Python

libpy. Utilities for writing C++ extension modules.

xarray. N-D labeled arrays and datasets in Python