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Top 9 C Benchmarking Projects
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systeminformer
A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Brought to you by Winsider Seminars & Solutions, Inc. @ http://www.windows-internals.com
For advanced end users? why would they ditch: https://systeminformer.sourceforge.io/ ?
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InfluxDB
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MangoHud
A Vulkan and OpenGL overlay for monitoring FPS, temperatures, CPU/GPU load and more. Discord: https://discordapp.com/invite/Gj5YmBb
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Project mention: How to Run DeepSeek R1 671B Locally on a $2000 EPYC Server | news.ycombinator.com | 2025-02-01
Another idea: AFAICS there have been a few memory-bw zen-related bugs reported to likwid and, in particular, https://github.com/RRZE-HPC/likwid/issues/535 may suggest that you could be hitting a similar bug but with another CPU series.
The bug report used AMDuProf to confirm that the bandwidth is actually ~2x than what likwid reported. You could try the same.
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( https://github.com/facebook/zstd/releases/tag/v1.5.6 )
In my opinion, it is better to check the original repository: https://github.com/inikep/lzbench
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cauldron
A collection of single-file C libraries. (generic containers, random number generation, argument parsing and other functionalities) (by camel-cdr)
That page ends with "This is the first efficient algorithm for generating random uniform floating-point numbers that can access the entire range of floating point outputs with correct probabilities". I am very skeptical.
The same basic idea is described here [1] (though without any pretty pictures, but with a link to working code), and I know others have implemented the same insight [2].
This seems like the kind of thing that is reinvented every time some who cares about random numbers learns how IEEE 754 works.
[1] http://mumble.net/~campbell/2014/04/28/uniform-random-float
[2] https://github.com/camel-cdr/cauldron/blob/a673553dd7925b0f1...
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LibSee
Link to this library and it will log all the LibC functions you are calling and how much time you are spending in them!
Project mention: Consistently Making Wrong Decisions Whilst Writing Recreational C | news.ycombinator.com | 2024-08-24Very cool! I've started a similar project around `LD_PRELOAD` a few months ago to profile the time different programs spend on LibC calls. Provoking failures was the next step :)
Logging nicely was also an issue. I decided to avoid linking to any other symbols and implemented it with inline Assembly for x86/64 and aarch64: https://github.com/ashvardanian/LibSee/blob/fdae92e71c449c91...
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2025
Index
What are some of the best open-source Benchmarking projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | systeminformer | 12,099 |
| 2 | MangoHud | 7,249 |
| 3 | likwid | 1,782 |
| 4 | lzbench | 964 |
| 5 | cauldron | 132 |
| 6 | jotai-benchmarks | 43 |
| 7 | wasm-score | 32 |
| 8 | LibSee | 18 |
| 9 | sort-test | 0 |
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