notes | musl | |
---|---|---|
7 | 1 | |
81 | 0 | |
- | - | |
0.0 | 0.0 | |
4 months ago | almost 5 years ago | |
C | C | |
- | GNU General Public License v3.0 or later |
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notes
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Looking for interesting performance engineering examples for class
https://github.com/apankrat/notes/tree/master/fast-case-conversion
- Fast character case conversion (or how to compress sparse arrays)
- Fast character case conversion
- Fast case conversion or how to compress sparse arrays
- Fast case conversion or how to really compress sparse arrays
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Using a std::list to manage a time-sorted list of resources in C++, is there a better way?
Alternatively, you can switch to using "intrusive" containers as these require no heap operations for their manipulation (link).
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C Template Library
Nice, very nice. All of it. Long live C.
Being stuck with C++ I did something in reverse - ported C-style ("intrusive") containers to ++, making them a bit safer to use, but keeping the syntax nearly the same.
https://github.com/apankrat/notes/tree/master/intrusive-cont...
musl
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Fast case conversion or how to compress sparse arrays
I did a much better optimization for musl/freebsd, about 10x smaller, with binary search into a single table of ranges and single exceptions, for both cases, lower and upper. A few ifs are better than wasting lots of cache.
https://github.com/rurban/musl/commit/7bcdc7e6e1ed2c4424d706...
But I'm also trying the automatic data optimization route, because Unicode I'd changing every year. Case napping is easy, but the changing normalization tables cause minor data structure hickups every year. Working in that here: https://github.com/rurban/optdata
What are some alternatives?
frr - The FRRouting Protocol Suite
rust-encoding - Character encoding support for Rust
pottery - Pottery - A container and algorithm template library in C
ctl - The C Template Library
nusort - Japanese direct-to-kanji input system with 2-key codes
ctl - C Template Library
nlutils - Nitrogen Logic C Utility Library
crcany - Compute any CRC, a bit at a time, a byte at a time, and a word at a time.
ryzomcore - Ryzom Core is the open-source project related to the Ryzom game. This community repository is synchronized with the Ryzom Forge repository, based on the Core branch.
src - Read-only git conversion of OpenBSD's official CVS src repository. Pull requests not accepted - send diffs to the tech@ mailing list.
ctl - My variant of the C Template Library
sort - Sorting routine implementations in "template" C