Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber
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+88
STARS · LAST 30 DAYS
3
PER DAY
#88
MOST-STARRED Ruby
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +21 | +88 | +270 |
| Per day | 3 | 3 | 3 |
| Forks gained | +3 | +10 | +26 |
parallel_tests gained 88 stars in the last 30 days, about 3 a day, and now has 3.5K. It is about 17 years old and has averaged roughly 207 stars a year. It ranks #88 among Ruby repositories and #2,024 across all languages on GitHubRepo.
Trending Record
5
DAYS ON TRENDING
#2321
BEST RANK
Sep 29, 2026
FIRST APPEARANCE
Active
STATUS TODAY
parallel_tests has maintained a continuous presence across global trending indexes, peaking at #2321. Below is the 30-day activity profile:
💡 Overview
parallel_tests is an open-source project written in Ruby: Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber.
Engineered for speed, consistency, and developer ease, it solves common hurdles in Ruby. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Ruby for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/grosser/parallel_tests.git
cd parallel_tests⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Ruby >= 3.1 with Bundler
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
parallel_tests coordinates its core functionality through a modular Ruby pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Production System Integration
Embed parallel_tests into Ruby backend services to handle core application logic.
CI/CD Automated Pipelines
Run automated validation, builds, and integration suites during deployments.
Developer Tooling & Workflows
Accelerate developer onboarding with pre-configured project utilities.
Open Source Extension
Fork and customize internal modules under the repository's open MIT license.
🚀 Getting Started
Install parallel_tests using your package manager: `git clone https://github.com/grosser/parallel_tests.git`
Initialize your project workspace or configuration file for parallel_tests.
Import parallel_tests into your codebase or invoke it directly from your terminal.
Execute your test suite or run `parallel_tests --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Ruby, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
grosser/parallel_tests is currently ranked #2,024 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #2,019 | spring-cloud/spring-cloud-kubernetes | Java | ★ 3.5K | Compare ↗ |
| #2,020 | mne-tools/mne-python | Python | ★ 3.5K | Compare ↗ |
| #2,021 | lingdojo/kana-dojo | TypeScript | ★ 3.5K | Compare ↗ |
| #2,022 | danog/MadelineProto | PHP | ★ 3.5K | Compare ↗ |
| #2,023 | Farama-Foundation/PettingZoo | Python | ★ 3.5K | Compare ↗ |
| #2,024 | grosser/parallel_tests This Project | Ruby | ★ 3.5K | |
| #2,025 | kubernetes/sample-controller | Go | ★ 3.5K | Compare ↗ |
| #2,026 | grafana/mcp-grafana | Go | ★ 3.5K | Compare ↗ |
| #2,027 | Kotlin/kotlin-lsp | Kotlin | ★ 3.5K | Compare ↗ |
| #2,028 | CopilotKit/openmuse | TypeScript | ★ 3.5K | Compare ↗ |
| #2,029 | HeapsIO/heaps | Haxe | ★ 3.5K | Compare ↗ |
Frequently Asked Questions
What does parallel_tests do? +
Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber
What language is parallel_tests written in? +
The primary language is Ruby. Topics include: software.
Is parallel_tests actively maintained? +
Yes, the last recorded push was on Sep 15, 2026 with 123 open issues being tracked.
How many stars does parallel_tests have? +
parallel_tests has 3,523 stars and 512 forks on GitHub.
How does parallel_tests rank among GitHub repositories? +
With 3,523 stars, grosser/parallel_tests is ranked #2,024 globally across all repositories tracked on GitHubRepo and #88 among Ruby projects.
What license is parallel_tests distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
