Nathan Bossart <nathandboss...@gmail.com> writes: > My current philosophy with this stuff is to favor simplicity, > maintainability, portability, etc. over extracting the absolute maximum > amount of performance gain, so I think we should proceed with the simd.h > approach. But I'm curious how others feel about this.
+1. The maintainability aspect is critical over the long run. Also, there's a very real danger of optimizing for the specific hardware and test case you are working with, leading to actually worse performance with future hardware. regards, tom lane