This decades old Linux function is now 4 times faster

memchr() is a function that searches in a memory block for a character, this has been recently improved in the latest linux patch and we can learn something from this improvement I think, lets discuss.

https://www.phoronix.com/scan.php?page=news_item&px=Linux-Kernel-Faster-memchr
https://github.com/torvalds/linux/blob/master/lib/string.c
https://man7.org/linux/man-pages/man3/memchr.3.html

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