Caliper is an instrumentation and performance profiling library
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+11
STARS · LAST 30 DAYS
1
PER DAY
#593
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +11 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
Caliper gained 11 stars in the last 30 days, about 1 a day, and now has 421. It is about 11 years old and has averaged roughly 38 stars a year. It ranks #593 among C++ repositories and #7,907 across all languages on GitHubRepo.
Trending Record
3
DAYS ON TRENDING
#7720
BEST RANK
Oct 8, 2026
FIRST APPEARANCE
Active
STATUS TODAY
Caliper has maintained a continuous presence across global trending indexes, peaking at #7720. Below is the 30-day activity profile:
💡 Overview
Caliper is an open-source project written in C++: Caliper is an instrumentation and performance profiling library.
Engineered for speed, consistency, and developer ease, it solves common hurdles in annotation-apis, caliper, cpp. 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 C++ 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/llnl/Caliper.git
cd Caliper⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C++20 compliant compiler (GCC 11+, Clang 13+, MSVC)
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
Caliper coordinates its core functionality through a modular C++ 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 Caliper into C++ 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 BSD-3-Clause license.
🚀 Getting Started
Install Caliper using your package manager: `git clone https://github.com/llnl/Caliper.git`
Initialize your project workspace or configuration file for Caliper.
Import Caliper into your codebase or invoke it directly from your terminal.
Execute your test suite or run `Caliper --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with C++, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
llnl/Caliper is currently ranked #7,907 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #7,900 | sideeffect-io/AsyncExtensions | Swift | ★ 422 | Compare ↗ |
| #7,900 | gen2brain/iup-go | Go | ★ 422 | Compare ↗ |
| #7,900 | relaticle/flowforge | PHP | ★ 422 | Compare ↗ |
| #7,900 | nvbangg/awesome-morphe | TypeScript | ★ 422 | Compare ↗ |
| #7,900 | carloslfu/slotstream | Swift | ★ 422 | Compare ↗ |
| #7,907 | llnl/Caliper This Project | C++ | ★ 421 | |
| #7,907 | ku1ik/racksh | Ruby | ★ 421 | Compare ↗ |
| #7,907 | yiisoft/yii2-elasticsearch | PHP | ★ 421 | Compare ↗ |
| #7,907 | LoopKit/LoopKit | Swift | ★ 421 | Compare ↗ |
| #7,907 | jackc/puddle | Go | ★ 421 | Compare ↗ |
| #7,907 | temporalio/sdk-php | PHP | ★ 421 | Compare ↗ |
Frequently Asked Questions
What does Caliper do? +
Caliper is an instrumentation and performance profiling library
What language is Caliper written in? +
The primary language is C++. Topics include: annotation-apis, caliper, cpp, hpc, instrumentation.
Is Caliper actively maintained? +
Yes, the last recorded push was on Oct 7, 2026 with 39 open issues being tracked.
How many stars does Caliper have? +
Caliper has 421 stars and 81 forks on GitHub.
How does Caliper rank among GitHub repositories? +
With 421 stars, llnl/Caliper is ranked #7,907 globally across all repositories tracked on GitHubRepo and #593 among C++ projects.
What license is Caliper distributed under? +
The repository reports a BSD-3-Clause license. Always verify the repository LICENSE file for legal terms.
