Showing 164 open source projects for "performance"

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  • 1
    Zerocopy

    Zerocopy

    Zerocopy makes zero-cost memory manipulation effortless

    Zerocopy is a Rust library designed to make zero-cost memory manipulation both safe and effortless. It allows developers to reinterpret or convert raw byte sequences into structured types—and vice versa—without writing unsafe code directly. The crate provides safe abstractions for transmuting data while preserving Rust’s strict safety guarantees, removing the need for manual memory manipulation. Zerocopy introduces a suite of conversion traits such as TryFromBytes, FromBytes, IntoBytes, and...
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  • 2
    RSpec Rails

    RSpec Rails

    RSpec for Rails 5+

    RSpec Rails brings the RSpec testing framework to Ruby on Rails as a drop-in alternative to its default testing framework, Minitest. In RSpec, tests are not just scripts that verify your application code. They’re also specifications (or specs, for short): detailed explanations of how the application is supposed to behave, expressed in plain English. RSpec follows semantic versioning, which means that “major version” upgrades (e.g., 2.x → 3.x) come with breaking changes. If you’re upgrading...
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  • 3
    Cucumber

    Cucumber

    Cucumber for Ruby

    It’s simple. Whether open source or commercial, our collaboration tools will boost your engineering team's performance by employing Behavior-Driven Development (BDD). And with our world-class training, take it to places it’s never been. Cucumber is a tool for running automated tests written in plain language. Because they're written in plain language, they can be read by anyone on your team. Because they can be read by anyone, you can use them to help improve communication, collaboration and trust on your team. ...
    Downloads: 2 This Week
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  • 4
    Puppeteer

    Puppeteer

    Headless Chrome Node.js API

    Puppeteer is a headless Node library that provides a high level API for controlling Chromium or Chrome over the DevTools protocol. It requires zero setup and comes bundled with the Chromium version most suited to it. Puppeteer is headless by default, making it fast to run. However, it can also be set to run full or non-headless Chrome or Chromium, simply set the headless option when launching a browser. Many of the things you can do manually in the browser, you can also do with Puppeteer...
    Downloads: 2 This Week
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    VK-GL-CTS

    VK-GL-CTS

    Khronos Vulkan, OpenGL, and OpenGL ES Conformance Tests

    ...These tests are essential for vendors seeking certification, as they rigorously check the correctness and completeness of driver implementations against standardized behavior. The suite contains thousands of automated tests that assess rendering accuracy, API behavior, memory usage, and performance consistency. It is widely used by GPU vendors and developers to ensure compatibility, stability, and reliability across platforms and hardware.
    Downloads: 1 This Week
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  • 6
    Delightful JavaScript Testing

    Delightful JavaScript Testing

    Delightful JavaScript Testing

    ...Make tests that keep track of large objects with ease. Snapshots live either alongside your tests or embedded inline. Tests are parallelized by running them in their own processes to maximize performance. By ensuring your tests have unique global state, Jest can reliably run tests in parallel. To make things quick, Jest runs previously failed tests first and re-organizes runs based on how long test files take. Jest uses a custom resolver for imports in your tests, making it simple to mock any object outside of your test’s scope. ...
    Downloads: 0 This Week
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  • 7
    Passmark

    Passmark

    The open-source Playwright library for AI browser regression testing

    ...One of its defining features is a cache-first execution model, where AI is used initially to discover how to perform actions, and those actions are then stored and replayed at native speed in future runs. This approach significantly reduces reliance on AI during repeated test executions, improving both performance and cost efficiency. The framework also incorporates multi-model validation, using multiple AI systems to verify assertions and reduce the risk of incorrect results.
    Downloads: 0 This Week
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  • 8
    cocoyaxi

    cocoyaxi

    A go-style coroutine library in C++11 and more

    ...It contains a series of high-quality base components, such as a go-style coroutine, coroutine-based network programming framework, command line, and config file parser, high-performance log library, unit testing framework, JSON library, etc. co has implemented a go-style coroutine, which has the following features. Multi-thread scheduling, the default number of threads is the number of system CPU cores. Shared stack, coroutines in the same thread share several stacks (the default size is 1MB), and the memory usage is low. ...
    Downloads: 0 This Week
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  • 9
    Jest Puppeteer

    Jest Puppeteer

    Run your tests using Jest & Puppeteer

    ...A fix to this is to run your test serially when in a CI environment. Users have discovered that running test serially in such environments can render up to 50% of performance gains. Writing integration test can be done using Puppeteer API but it can be complicated and hard because API is not designed for testing. Debugging tests can be hard sometimes and it is very useful to be able to pause tests in order to inspect the browser. Jest Puppeteer exposes a method jestPuppeteer.debug() that suspends test execution and gives you the opportunity to see what's going on in the browser.
    Downloads: 0 This Week
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  • 10
    Gatling Studio

    Gatling Studio

    Desktop app that helps you craft Gatling load-testing simulations

    ...The output is a ready-to-run Gatling project (Java/Maven) that can be executed locally or uploaded to Gatling Enterprise to run at scale. Gatling Studio targets performance engineers and QA teams who want a low-code path from “record what a user does in the browser” to “run a realistic load test.”
    Downloads: 0 This Week
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  • 11
    Prime95

    Prime95

    Precision CPU stress testing and benchmarking

    ...This rigorous testing helps users gauge system stability and detect potential issues, particularly useful for overclockers, hardware testers, and enthusiasts aiming for optimal CPU performance.
    Downloads: 67 This Week
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  • 12
    Magic 7

    Magic 7

    7 Generic TSQL Scripts to Troubleshoot SQL Performance Problems

    "It's not a tool, which fixes a problem, but the fool using it!" (Jörg Stryk) The M7 bunch of scripts should help the EXPERIENCED Troubleshooter to quickly identify bottlenecks and to develop/implement appropriate solutions. "With great power comes great responsibility" (Uncle Ben)
    Downloads: 0 This Week
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  • 13
    Jailer

    Jailer

    Database Subsetter and Relational Data Browser

    Database Subsetting and Relational Data Browsing Tool. Navigate bidirectionally through the database by following foreign-key-based or user-defined relationships. Exports consistent, referentially intact row-sets from relational databases. Removes data w/o violating integrity. Generates topologically sorted SQL-DML, hierarchically structured XML. and DbUnit datasets.
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    Downloads: 136 This Week
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  • 14
    LazyLoad

    LazyLoad

    LazyLoad is a lightweight, flexible script that speeds up your website

    LazyLoad is a fast, lightweight and flexible script that speeds up your web application by loading images only as they enter the viewport. LazyLoad supports responsive images. LazyLoad is a lightweight (2.4 kB) and flexible script that speeds up your web application by deferring the loading of your below-the-fold images, animated SVGs, videos and iframes to when they will enter the viewport. It’s written in plain “vanilla” JavaScript, it leverages the IntersectionObserver API, it supports...
    Downloads: 0 This Week
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  • 15

    Text File Generator

    Generate large text files for various testing purposes

    Generate large text files with dummy data (i.e. for performance testing an app that needs to read a file). This is a console app. It allows to generate large files (you can specify the size in megabytes). There is a template which you can set to define how a single line should look like, e.g. you can make a CSV file from it. This can contain random words, random numbers and sequential numbers.
    Downloads: 1 This Week
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  • 16
    Bundlesize

    Bundlesize

    Keep your bundle size in check

    Add it to your scripts in package.json. Or you can use it with npx from NPM 5.2+. bundlesize accepts an array of files to check. You can give a different file by using the --config flag. If the names of your build files are not predictable, you can use the glob pattern to specify files. This is common if you append a hash to the name or use a tool like create-react-app/nextjs. It will match multiple files if necessary and create a new row for each file. By default, bundlesize gzips your...
    Downloads: 0 This Week
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  • 17
    Apache JMeter

    Apache JMeter

    Load testing tool for analyzing and measuring performance of services

    The Apache JMeter™ application is open-source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions. Apache JMeter may be used to test performance both on static and dynamic resources, Web dynamic applications. It can be used to simulate a heavy load on a server, group of servers, network or object to test its strength or to analyze overall performance under different load types.
    Downloads: 39 This Week
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  • 18
    Clinic.js

    Clinic.js

    Clinic.js diagnoses your Node.js performance issues

    Node Clinic is a suite of diagnostic tools for Node.js applications, designed to help developers identify and resolve performance issues, memory leaks, and other common problems in their code.
    Downloads: 0 This Week
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  • 19
    Matrix

    Matrix

    Plugin style, non-invasive APM system developed by WeChat

    Matrix is an APM (Application Performance Manage) used in Wechat to monitor, locate and analyse performance problems. It is a plugin style, non-invasive solution and is currently available on iOS, macOS and Android. The monitoring scope of the current tool includes: crash, lag, and out-of-memory, which includes the following two plugins, WCCrashBlockMonitorPlugin, which is based on KSCrash framework and features cutting-edge lag stack capture capabilities with crash capture, and WCMemoryStatPlugin, which is a performance-optimized out-of-memory monitoring tool that captures memory allocation and the callstack of an application's out-of-memory event. ...
    Downloads: 0 This Week
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  • 20

    Render 4 Monitoring

    Render Web Services for Viewing/Monitoring and Test Web Applications

    Renders and aggregates other web services into static HTML monitoring output. Also implements simple and dynamic testing of web based applications using mechanize. Includes Basic authentication, and ADFS authentication for web service testing. Custom authentications can be implemented very easily with python programming. Implements PhantomJS rendering for Javascript/HTML5 dynamic web pages. Requires python3
    Downloads: 0 This Week
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  • 21
    Phoronix Test Suite

    Phoronix Test Suite

    Open-Source, Automated Benchmarking

    The Phoronix Test Suite is the most comprehensive testing and benchmarking platform available that provides an extensible framework for which new tests can be easily added. The Phoronix Test Suite is designed to effectively carry out both benchmarks in a clean, reproducible, and easy-to-use manner.
    Downloads: 3 This Week
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  • 22
    SerialToIP is a simple Terminal Server software providing transparent pipe either in TCP server or TCP client socket mode from TCP/IP to a pre-configured serial port. Implemented in C# for .NET 2.0 so the command line version could work in Mono-runtime as well.
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    Downloads: 20 This Week
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  • 23
    UVU

    UVU

    UVU is an extremely fast and lightweight test runner for Node.js

    ...It also supports running in browser environments, which makes it versatile for frontend and backend alike. The repository includes benchmarking showing how it stacks against other test runners in terms of speed, underscoring its performance orientation. uvu’s API is intentionally minimal and familiar, so developers coming from other test frameworks will feel at home, but the internal design is optimized for speed and simplicity rather than feature bloat.
    Downloads: 0 This Week
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  • 24
    CAT

    CAT

    CAT is the basic component of the server project

    CAT is a distributed application performance monitoring and alerting system that specializes in tracking request flows, exceptions, and metrics across microservice ecosystems. It offers real-time dashboards showing throughput, response times, error rates, and service dependency graphs to help operations and development collaborate on reliability issues. In addition to metrics, it enables tracing—propagating context across RPC boundaries so problems like latency spikes or failed calls can be traced end-to-end. ...
    Downloads: 0 This Week
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  • 25
    tabtoy

    tabtoy

    High performance tabular data exporter

    High-performance tabular data export tool. Support Xlsx/CSV as mixed input of tabular data. Support JSON/Golang/C#/Java/Lua/binary source, data, and type output. Automatic cell data format checking, accurate to cell errors. Support predefined enumeration can use Chinese enumeration type. Support table splitting, support multi-person collaboration.
    Downloads: 0 This Week
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