Top 4 wg21 Open-Source Projects

std-simd

9 544 1.1 C++

std::experimental::simd for GCC [ISO/IEC TS 19570:2018]

Project mention: A proposal for the next version of C [pdf] | news.ycombinator.com | 2024-01-20

neither proposing nor taking a position on this possible addition)
> ... For completeness we would also like to add that a serious issue is that C still lacks vector operations.
Those are good points. The authors don't take a stance on it, but I do think that syntax for packed structs should be standardized. IMO, so should syntax for inline assembly (both as optional features). These are already common extensions; this is exactly what they should standardize. The additions of "typeof" and #embed are also good examples of this (they had been talking about adding #embed since 1995 [1]).
As for vector instructions, I'm unsure how it could be implemented in a standard way, but I'm not against it. Maybe something like this [2], but with the syntax changed for C instead of C++.
[1]: https://groups.google.com/g/comp.std.c/c/zWFEXDvyTwM
[2]: https://github.com/VcDevel/std-simd

wg21

1 114 5.8 Python

Framework for Writing C++ Committee Papers
InfluxDB

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clang-p2996

1 34 3.5

Experimental clang support for WG21 P2996 (Reflection).

Project mention: Experimental Clang support for WG21 P2996 (Reflection) | news.ycombinator.com | 2024-03-15

WG21

1 5 0.0 Makefile

My proposals for the C++ standard (by neargye-wg21)

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).