domain: performance
1338 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| minio/simdjson-go A pure Go port of the simd high-performance JSON parser that uses SIMD instructions to parse gigabytes of JSON per second. It provides vali… | 40 | 2038 | active |
| bitshifter/glam-rs glam is a fast linear algebra library for Rust providing vectors, matrices, quaternions, and affine transformation types for games and grap… | 77 | 2035 | stable |
| ruby-prof/ruby-prof ruby-prof is a fast code profiler for Ruby that measures method call times and generates call graphs and reports. It helps developers ident… | 72 | 2034 | active |
| andrewrk/poop A Linux command-line benchmarking tool that compares the performance of multiple commands using perf_event_open hardware counters, with a c… | 56 | 2031 | active |
| SpecialKO/SpecialK Special K is a Windows DLL injection framework for PC games that fixes and enhances graphics, adds HDR support, framerate capping, and deta… | 95 | 2030 | active |
| elastic/rally Rally is a macrobenchmarking framework for Elasticsearch, developed in Python by Elastic. It automates cluster setup and teardown, benchmar… | 83 | 2029 | active |
| dougbinks/enkiTS enkiTS is a permissively licensed (Zlib) C and C++ task scheduler for building parallel programs that exploit data and task-level paralleli… | 84 | 2023 | active |
| phpbench/phpbench PHPBench is a benchmarking framework for PHP, analogous to PHPUnit but for measuring performance rather than correctness. It runs code repe… | 90 | 2018 | active |
| leinlin/Miku-LuaProfiler A Lua profiler plugin for Unity that instruments xLua-based Lua code to report per-function CPU time and GC memory usage. It works in the U… | 50 | 2015 | active |
| GoogleCloudPlatform/PerfKitBenchmarker PerfKit Benchmarker is a Python tool that automates running a canonical set of benchmarks across cloud providers like GCP, AWS, and Azure. … | 67 | 2011 | active |
| google/marl Marl is a hybrid thread/fiber task scheduler library written in C++11 that lets you run tasks across a fixed pool of hardware threads. It u… | 10 | 2000 | stable |
| vipshop/vjtools VJTools is vip.com's collection of Java coding standards, core utility libraries (vjkit, vjstar), and JVM diagnostic tools (vjtop, vjmap, v… | 23 | 7623 | maintenance |
| unjs/fontaine Fontaine is a TypeScript library that automatically generates font fallbacks based on font metrics to reduce layout shift (CLS). It compute… | 99 | 1983 | active |
| luigirizzo/netmap Netmap is a framework for extremely fast packet I/O from userspace, implemented as a kernel module for FreeBSD, Linux, and Windows. It incl… | 66 | 1974 | stable |
| rx-angular/rx-angular RxAngular is a monorepo of MIT-licensed Angular libraries for building fully reactive, high-performance applications, including state manag… | 96 | 1965 | active |
| microsoft/snmalloc snmalloc is a high-performance, message-passing based memory allocator from Microsoft, usable as a header-only C++ library, via LD_PRELOAD,… | 92 | 1961 | active |
| dotnet/dotNext DotNext is a family of .NET libraries extending the standard API with high-performance, low-allocation primitives such as async locks, unma… | 77 | 1957 | active |
| twitter/pelikan Pelikan is Twitter's framework for building high-performance cache services, written in Rust with a legacy C codebase. It includes products… | 23 | 1957 | active |
| hoytech/vmtouch vmtouch is a portable command-line utility for learning about and controlling the file system cache of Unix and Unix-like systems. It repor… | 32 | 1951 | stable |
| mcostalba/Stockfish Stockfish is a free, powerful UCI chess engine written in C++, derived from Glaurung 2.1. It is not a complete chess program and requires a… | 32 | 1950 | active |
| simdutf/simdutf simdutf is a high-performance C++ library for Unicode validation, transcoding (UTF-8, UTF-16, UTF-32, Latin1, ASCII) and WHATWG-compliant B… | 98 | 1938 | stable |
| RRZE-HPC/likwid LIKWID is a command-line tool suite and library for performance-oriented programmers on Linux, supporting Intel, AMD, ARMv8, and POWER9 CPU… | 90 | 1934 | active |
| openacid/slim Slim is a Go library providing space-efficient data structures, most notably SlimTrie, a compacted trie that uses only about 11 bits per ke… | 77 | 1923 | stable |
| NeXTs/Clusterize.js Clusterize.js is a tiny vanilla JavaScript plugin that efficiently renders very large data sets in tables, lists, or divs. It splits conten… | 79 | 7268 | maintenance |
| alibaba/xquic XQUIC is Alibaba's cross-platform C library implementing the IETF QUIC and HTTP/3 protocols for both client and server use. It supports QUI… | 94 | 1915 | active |
| charkost/prosopite Prosopite is a Ruby gem that auto-detects N+1 queries in Rails applications with zero false positives or false negatives. It monitors SQL q… | 78 | 1906 | active |
| max0x7ba/atomic_queue A C++14 header-only library providing multiple-producer multiple-consumer lock-free queues built on circular buffers and std::atomic. It is… | 77 | 1893 | stable |
| sickcodes/osx-optimizer A collection of shell scripts that optimize macOS using the `defaults` command and other system tweaks to speed up boot time, reduce UI ove… | 32 | 1890 | active |
| spiritLHLS/ecs A shell-based 'Fusion Monster' VPS server testing script that benchmarks CPU, disk, network speed, and IP quality across many Linux distrib… | 77 | 7149 | maintenance |
| csswizardry/ct ct.css is a small diagnostic CSS stylesheet that visually exposes performance problems in a page's <head>, such as render-blocking scripts … | 77 | 1887 | active |
| plasma-umass/Mesh Mesh is a drop-in replacement malloc library for C/C++ that transparently reduces memory footprint by recovering from heap fragmentation wi… | 66 | 1882 | active |
| oracle/bpftune bpftune is a daemon that uses eBPF observability to continuously monitor Linux system behavior and automatically adjust kernel tunables suc… | 71 | 1881 | active |
| ashvardanian/NumKong NumKong is a mixed-precision numeric and linear-algebra library with ~2,000 SIMD-accelerated kernels for dot products, distances, matrix mu… | 93 | 1877 | active |
| cornelk/hashmap A Go library providing a lock-free, thread-safe HashMap optimized for fastest read access. It is not a general-purpose map and has slower w… | 38 | 1877 | active |
| compio-rs/compio Compio is a thread-per-core asynchronous Rust runtime built on completion-based I/O, using io_uring on Linux, IOCP on Windows, and polling … | 90 | 1850 | active |
| discord/manifold Manifold is an Elixir/Erlang library that optimizes batch message passing between Erlang nodes by grouping PIDs by remote node and distribu… | 64 | 1848 | stable |
| wilsonpage/fastdom A tiny (~600 bytes) JavaScript library that eliminates layout thrashing by batching DOM measurement and mutation tasks. It queues reads and… | 23 | 6915 | maintenance |
| linyimin0812/spring-startup-analyzer A Java agent/library that instruments Spring and Spring Boot applications to collect startup data and generate an interactive HTML startup … | 34 | 1832 | active |
| gordalina/cachetool CacheTool is a PHP CLI application and library for managing APCu, OPcache, and the file status cache from the command line. It connects to … | 56 | 1827 | active |
| tanelpoder/0xtools 0x.tools is a set of Linux performance analysis tools (xcapture and xtop) that use modern eBPF to sample thread-level system activity such … | 58 | 1818 | active |
| icecc/icecream Icecream is a distributed compiler system, created by SUSE and based on distcc, that spreads C/C++ compile jobs across remote machines for … | 54 | 1817 | stable |
| spaansba/ForesightJS ForesightJS is a lightweight, framework-agnostic JavaScript library that predicts user intent from mouse trajectory, keyboard navigation, s… | 81 | 1803 | active |
| foyer-rs/foyer Foyer is a Rust library providing a hybrid cache that seamlessly combines in-memory and disk caching with pluggable eviction algorithms. It… | 85 | 1797 | active |
| markzhai/AndroidPerformanceMonitor A transparent UI-block detection library for Android, known as BlockCanary, that monitors main-thread stalls and ANR-like jank with one-lin… | 32 | 6729 | maintenance |
| moderngpu/moderngpu moderngpu is a header-only C++ productivity library for general-purpose GPU computing built on CUDA. It provides accelerated primitives for… | 51 | 1789 | active |
| pypy/pypy PyPy is a fast, compliant alternative implementation of the Python programming language built on the RPython compiler framework. It feature… | 71 | 1783 | stable |
| coin-or/Ipopt Ipopt (Interior Point OPTimizer) is an open-source C++ software package for large-scale nonlinear optimization of continuous problems with … | 70 | 1778 | stable |
| medikoo/memoizee Memoizee is a comprehensive memoization library for JavaScript that caches function results to avoid repeated computation. It supports any … | 23 | 1777 | stable |
| libxzr/KonaBess KonaBess is an Android application that lets users customize GPU frequency and voltage tables on various Snapdragon chips without recompili… | 47 | 1775 | active |
| evanphx/benchmark-ips A Ruby gem that enhances the standard Benchmark library with iterations-per-second (IPS) benchmarking. It automatically determines appropri… | 62 | 1773 | stable |
| johnbillion/query-monitor Query Monitor is a WordPress and WooCommerce plugin that adds a developer tools panel for debugging database queries, PHP errors, hooks, bl… | 95 | 1770 | stable |
| npgall/cqengine CQEngine (Collection Query Engine) is a high-performance Java library that allows SQL-like queries to be executed against Java collections … | 32 | 1770 | stable |
| DTolm/VkFFT VkFFT is an open-source, GPU-accelerated multidimensional Fast Fourier Transform library supporting Vulkan, CUDA, HIP, OpenCL, Level Zero, … | 57 | 1769 | active |
| SamSaffron/memory_profiler memory_profiler is a Ruby gem that reports memory usage and object allocations (allocated vs retained) by gem, file, location, and class. I… | 65 | 1766 | active |
| TimefoldAI/timefold-solver Timefold Solver is an open-source, embeddable constraint satisfaction and optimization engine for Java and Kotlin, continuing Red Hat's Opt… | 96 | 1765 | active |
| Cysharp/ZLogger ZLogger is a zero-allocation text and structured logging library for .NET and Unity, built on top of Microsoft.Extensions.Logging. It uses … | 75 | 1763 | active |
| fereidani/kanal Kanal is a high-performance Rust channel library implementing CSP-style message passing with both synchronous and asynchronous APIs. It sup… | 74 | 1759 | active |
| php-pm/php-pm PHP-PM is a process manager, load balancer, and performance accelerator for PHP applications built on ReactPHP. It keeps bootstrapped frame… | 23 | 6548 | maintenance |
| m4rs-mt/ILGPU ILGPU is a just-in-time compiler for high-performance GPU programs (kernels) written in .NET languages like C# and F#, entirely in C# with … | 68 | 1748 | active |
| efficient/libcuckoo libcuckoo is a high-performance, compact concurrent hash table implemented in C++ using cuckoo hashing. It is a header-only library that su… | 75 | 1744 | stable |
| whitfin/cachex Cachex is a fast in-memory key/value caching library for Elixir with optional features like TTL expiration, size limits, transactions, hook… | 65 | 1744 | stable |
| EmbarkStudios/puffin Puffin is a lightweight instrumentation profiler for Rust, primarily aimed at game development, using scope macros that cost ~1ns when disa… | 67 | 1732 | active |
| martinus/nanobench ankerl::nanobench is a single-header, platform-independent microbenchmarking library for C++11/14/17/20. It measures ns/op, op/s, instructi… | 99 | 1730 | stable |
| thecodrr/fdir fdir is an extremely fast directory crawler and globbing library for NodeJS, capable of crawling 1 million files in under a second. It uses… | 47 | 1730 | stable |
| sumerc/yappi Yappi is a fast tracing profiler for Python written in C that is aware of multithreading, asyncio, and gevent/greenlet concurrency. It supp… | 91 | 1725 | stable |
| puzpuzpuz/xsync xsync is a Go library providing scalable concurrent data structures such as a concurrent hash table map, striped counter, and other synchro… | 85 | 1719 | stable |
| tokio-rs/io-uring A Rust library providing a safe, low-level interface to the Linux io_uring asynchronous I/O kernel API. It exposes submission and completio… | 77 | 1719 | stable |
| dealii/dealii deal.II is a C++ library for solving partial differential equations using adaptive finite elements, with support for dimension-independent … | 90 | 1715 | stable |
| openucx/ucx Unified Communication X (UCX) is a production-grade, open-source communication framework for high-bandwidth, low-latency networks. It expos… | 94 | 1696 | stable |
| HypoPG/hypopg HypoPG is a PostgreSQL extension written in C that adds support for hypothetical (virtual) indexes. It lets you test whether an index would… | 80 | 1696 | stable |
| divriots/jampack Jampack is a post-processing CLI tool that optimizes the output of static site generators for best user experience and Core Web Vitals scor… | 70 | 1696 | active |
| servo/rust-smallvec A Rust library providing SmallVec, a vector-like collection that stores a small number of items inline on the stack and spills to the heap … | 91 | 1695 | active |
| pawurb/hotpath-rs hotpath-rs is an easy-to-configure Rust performance profiler that pinpoints where code spends time, burns CPU, and allocates memory. It ins… | 84 | 1695 | active |
| perftools/xhgui XHGui is a self-hosted web application that provides a graphical interface for viewing and analyzing XHProf profiling data collected from P… | 77 | 1687 | active |
| Umio-Yasuno/amdgpu_top amdgpu_top is a Rust-based tool that displays AMD GPU utilization and statistics, similar to radeontop or intel_gpu_top. It gathers data fr… | 88 | 1683 | active |
| JonMagon/KDiskMark KDiskMark is an open-source HDD and SSD benchmark tool for Linux with a friendly Qt-based GUI, acting as a frontend to the Flexible I/O Tes… | 84 | 1682 | active |
| instantpage/instant.page A small JavaScript library that makes website navigation feel instant by preloading pages just-in-time—on link hover (after 65ms) or touch … | 33 | 6221 | maintenance |
| salsify/goldiloader Goldiloader is a Ruby gem that automatically eager loads ActiveRecord associations to eliminate N+1 queries. It batches association loads a… | 61 | 1672 | active |
| mourner/flamebearer A command-line tool that analyzes JavaScript CPU profiles from Chrome DevTools Performance recordings and Node .cpuprofile files, printing … | 92 | 1661 | active |
| facebook/mvfst MVFST (move fast) is a C++ client and server implementation of the IETF QUIC transport protocol developed by Facebook. It provides a perfor… | 77 | 1657 | active |
| tikv/pprof-rs pprof-rs is a CPU profiler library for Rust programs, built on top of backtrace-rs. It samples running threads and produces stack-trace rep… | 67 | 1649 | active |
| NVIDIA/nccl-tests NVIDIA's official test suite for NCCL that measures the performance and correctness of collective communication operations across GPUs. It … | 76 | 1636 | active |
| Munter/subfont A Node.js command line tool that statically analyzes HTML pages to generate optimal webfont subsets based on the characters actually used. … | 56 | 1636 | active |
| catchpoint/WebPageTest.api-nodejs An NPM package that wraps the WebPageTest API for Node.js, usable both as a module and a command-line tool. It lets developers run website … | 23 | 1635 | active |
| mlcommons/inference Reference implementations of the MLPerf Inference benchmark suite, the industry-standard benchmarks for measuring how fast ML systems run m… | 83 | 1621 | active |
| dtao/lazy.js Lazy.js is a functional utility library for JavaScript, similar to Underscore and Lodash, but built on a lazy evaluation engine that avoids… | 32 | 5966 | maintenance |
| foonathan/memory foonathan/memory is a C++ library providing STL-compatible memory allocators built around a simpler RawAllocator concept. It offers multipl… | 34 | 1619 | stable |
| clinicjs/node-clinic Clinic.js is an open-source Node.js performance profiling suite that diagnoses issues like event-loop delays, I/O bottlenecks, and memory l… | 23 | 5953 | maintenance |
| twobin/react-lazyload A React library that lazily loads components, images, or any content when it enters the viewport to improve page performance. It uses minim… | 32 | 5900 | maintenance |
| bamlab/flashlight Flashlight is a CLI tool that audits Android apps (native, React Native, Flutter) and generates a performance score from aggregated metrics… | 67 | 1602 | active |
| fzipp/gocyclo gocyclo is a command-line tool that calculates the cyclomatic complexity of functions in Go source code. It helps identify complex function… | 59 | 1598 | stable |
| aiceking/AppStartFaster An Android library for cold start optimization, providing a directed-acyclic-graph based startup task dispatcher and a Multidex loading opt… | 82 | 1596 | active |
| nschloe/tuna Tuna is a lightweight Python profile viewer that visualizes runtime (cProfile) and import profiles in the browser using d3. It is a modern,… | 89 | 1595 | active |
| jonasmr/microprofile Microprofile is an embeddable CPU and GPU profiler written in a few C++ files that you drop into your project. It provides scoped timers, c… | 67 | 1590 | active |
| nfrechette/acl A production-ready C++11 header-only library for compressing skeletal animation clips with high compression ratios, fast decompression, and… | 47 | 1589 | active |
| tinylibs/tinypool Tinypool is a minimal, dependency-free Node.js worker thread pool library, a slimmed-down fork of Piscina built primarily for Vitest. It su… | 91 | 1586 | active |
| facebook/CacheLib CacheLib is a C++ library providing a pluggable, thread-safe in-process caching engine with transparent DRAM and SSD tiering. It includes C… | 99 | 1585 | active |
| containerd/stargz-snapshotter Stargz Snapshotter is a containerd snapshotter plugin that enables lazy pulling of container images, allowing containers to start before th… | 88 | 1585 | active |
| FDio/vpp FD.io's Vector Packet Processing (VPP) is an extensible, high-performance packet-processing framework providing production-quality switch a… | 77 | 1577 | stable |
| calibreapp/image-actions A GitHub Action that automatically compresses JPEG, PNG, WebP, and AVIF images added or changed in Pull Requests, committing optimized vers… | 93 | 1574 | active |