chipsalliance/UHDM
Universal Hardware Data Model. A complete modeling of the IEEE SystemVerilog Object Model with VPI Interface, Elaborator, Serialization, Visitor and Listener. Used as a compiled interchange format in between SystemVerilog tools. Compiles on Linux gcc, Windows msys2-gcc & msvc, OsX
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+10
STARS · LAST 30 DAYS
1
PER DAY
#553
MOST-STARRED C++
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +10 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
UHDM gained 10 stars in the last 30 days, about 1 a day, and now has 269. It is about 7 years old and has averaged roughly 38 stars a year. It ranks #553 among C++ repositories and #7,553 across all languages on GitHubRepo.
Trending Record
2
DAYS ON TRENDING
#7051
BEST RANK
Oct 2, 2026
FIRST APPEARANCE
Active
STATUS TODAY
UHDM has maintained a continuous presence across global trending indexes, peaking at #7051. Below is the 30-day activity profile:
💡 Overview
UHDM is an open-source project written in C++: Universal Hardware Data Model. A complete modeling of the IEEE SystemVerilog Object Model with VPI Interface, Elaborator, Serialization, Visitor and Listener. Used as a compiled interchange format in between SystemVerilog tools. Compiles on Linux gcc, Windows msys2-gcc & msvc, OsX.
Engineered for speed, consistency, and developer ease, it solves common hurdles in ieee-standard, listener, serialization. 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/chipsalliance/UHDM.git
cd UHDM⚙ 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
UHDM 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 UHDM 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 Apache-2.0 license.
🚀 Getting Started
Install UHDM using your package manager: `git clone https://github.com/chipsalliance/UHDM.git`
Initialize your project workspace or configuration file for UHDM.
Import UHDM into your codebase or invoke it directly from your terminal.
Execute your test suite or run `UHDM --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
chipsalliance/UHDM is currently ranked #7,553 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #7,540 | googleapis/gax-php | PHP | ★ 270 | Compare ↗ |
| #7,540 | richardlehane/siegfried | Go | ★ 270 | Compare ↗ |
| #7,540 | didww/credit_card_validations | Ruby | ★ 270 | Compare ↗ |
| #7,540 | Drakonis96/nodus | TypeScript | ★ 270 | Compare ↗ |
| #7,540 | vishalsachdev/canvas-mcp | Python | ★ 270 | Compare ↗ |
| #7,553 | chipsalliance/UHDM This Project | C++ | ★ 269 | |
| #7,553 | monotykamary/pi-fabric | TypeScript | ★ 269 | Compare ↗ |
| #7,553 | tuffy/python-audio-tools | C | ★ 269 | Compare ↗ |
| #7,553 | latex3/unicode-math | TeX | ★ 269 | Compare ↗ |
| #7,553 | adamsalter/sitemap_generator | Ruby | ★ 269 | Compare ↗ |
| #7,553 | freefair/gradle-plugins | Java | ★ 269 | Compare ↗ |
Frequently Asked Questions
What does UHDM do? +
Universal Hardware Data Model. A complete modeling of the IEEE SystemVerilog Object Model with VPI Interface, Elaborator, Serialization, Visitor and Listener. Used as a compiled interchange format in between SystemVerilog tools. Compiles on Linux gcc, Windows msys2-gcc & msvc, OsX
What language is UHDM written in? +
The primary language is C++. Topics include: ieee-standard, listener, serialization, systemverilog, vpi-api.
Is UHDM actively maintained? +
Yes, the last recorded push was on Oct 2, 2026 with 14 open issues being tracked.
How many stars does UHDM have? +
UHDM has 269 stars and 49 forks on GitHub.
How does UHDM rank among GitHub repositories? +
With 269 stars, chipsalliance/UHDM is ranked #7,553 globally across all repositories tracked on GitHubRepo and #553 among C++ projects.
What license is UHDM distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
