# amireh/happypack

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4,244 stars · 127 forks · JavaScript · MIT · archived

## Links

- GitHub: https://github.com/amireh/happypack
- awesome-repositories: https://awesome-repositories.com/repository/amireh-happypack.md

## Topics

`build-tool` `performance` `webpack`

## Description

Happypack is a build optimizer for Webpack that reduces compilation times by caching module outputs and parallelizing loader execution. It functions as a parallel loader and thread pool manager that distributes file transformations across multiple worker threads to utilize available CPU cores.

The project utilizes a persistent storage mechanism for processed module results to avoid redundant computations during subsequent build cycles. It manages a shared set of worker processes to allocate resources efficiently across transformation pipelines.

The system covers build result caching and parallelization of loader execution, alongside the generation of source maps.

## Tags

### Development Tools & Productivity

- [Webpack Build Pipelines](https://awesome-repositories.com/f/development-tools-productivity/webpack-build-pipelines.md) — Provides a comprehensive system to optimize the Webpack build pipeline through parallelization and caching.
- [Build Caching](https://awesome-repositories.com/f/development-tools-productivity/asset-compilation-pipelines/webpack-build-plugins/build-caching.md) — Stores results of expensive module computations to speed up subsequent compilation cycles.
- [Webpack Loaders](https://awesome-repositories.com/f/development-tools-productivity/asset-compilation-pipelines/webpack-loaders.md) — Distributes file transformations across multiple worker threads to maximize CPU utilization.
- [Loader Pipelines](https://awesome-repositories.com/f/development-tools-productivity/build-tooling/asset-file-management/asset-processing-pipelines/loader-and-middleware-chains/loader-pipelines.md) — Distributes the Webpack loader chain into discrete stages that can be executed independently.

### Data & Databases

- [Module Transformation Pipelines](https://awesome-repositories.com/f/data-databases/parallel-data-transformation/module-transformation-pipelines.md) — Uses multiple CPU cores to process files through Webpack loaders in parallel.

### Operating Systems & Systems Programming

- [CPU-Bound Parallel Execution](https://awesome-repositories.com/f/operating-systems-systems-programming/cpu-bound-parallel-execution.md) — Distributes CPU-bound file processing across multiple worker pools to reduce total build duration. ([source](https://github.com/amireh/happypack#readme))

### Programming Languages & Runtimes

- [Build Output Caches](https://awesome-repositories.com/f/programming-languages-runtimes/compiler-interpreter-internals/compiler-infrastructure/compiler-optimizations/build-output-caches.md) — Provides a persistent disk cache for processed module results to accelerate subsequent build cycles.
- [Centralized Thread Pool Managers](https://awesome-repositories.com/f/programming-languages-runtimes/language-features-paradigms/concurrency-models/concurrency/task-orchestration-frameworks/thread-pools/centralized-thread-pool-managers.md) — Manages a centralized set of worker processes to efficiently allocate resources across transformation pipelines.

### Software Engineering & Architecture

- [Build Result Caching](https://awesome-repositories.com/f/software-engineering-architecture/build-result-caching.md) — Implements a persistent storage mechanism for processed module results to avoid redundant computations.
- [Worker Thread Patterns](https://awesome-repositories.com/f/software-engineering-architecture/worker-thread-patterns.md) — Distributes module transformation tasks across multiple CPU cores to reduce total compilation time.

### System Administration & Monitoring

- [Transformation Thread Pools](https://awesome-repositories.com/f/system-administration-monitoring/alert-thresholds/thread-pool/configurable-worker-thread-pools/transformation-thread-pools.md) — Allocates a shared set of worker threads across transformation pipelines to maximize efficiency. ([source](https://github.com/amireh/happypack#readme))

### Web Development

- [Frontend Performance Optimizers](https://awesome-repositories.com/f/web-development/frontend-performance-optimizers.md) — Optimizes frontend asset bundling and source map generation to improve the developer experience.