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Making a StringBuffer in C, and questioning my sanity

(briandouglas.ie)
40 points coneonthefloor | 1 comments | 15 Jul 25 10:48 UTC | HN request time: 0.209s | source
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WalterBright ◴[19 Jul 25 00:25 UTC] No.44611357[source]▶

    new_capacity *= 2;
A better value is to increase size by 1.5:

https://stackoverflow.com/questions/1100311/what-is-the-idea...

replies(3): >>44611645 #>>44612459 #>>44613415 #
1. burnt-resistor ◴[19 Jul 25 03:56 UTC] No.44612459[source]▶
Yep. And probably use tcmalloc or jemalloc (deprecated?) too. Most OS sbrk/libc malloc implementations are better than they used to be, but certain profiled programs can increased performance by tuning one of the nonstandard allocators. YMMV. Test, profile, and experiment.