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Optimizing a bubble sort implementation in C for an x86-64 architecture

Posted by Marvee Amasi
3:46 am
21/11/2024

Hello , I’m working on optimizing a bubble sort implementation in `C` for an `x86-64` architecture specifically targeting an Intel Core i7 processor using `GCC 11.2` . I noticed that the `-O3` flag resulted in slower performance compared to `-O2` when sorting large arrays of integers 1 million elements in this case.

Here are the timings, average of multiple runs: