On Sun, Apr 27, 2014 at 1:32 PM, Paul Eggert <[email protected]> wrote: > Anyway, an 18% speedup is still a speedup, so I looked into it. GCC 4.9.0 > misses a non-obvious opportunity for function inlining. I installed a tweak > (attached) that should make the inlining opportunity obvious to compilers > nowadays. On my platform this gave a 28% speedup, i.e., a bit better than > the macro-using patch would have.
Very nice. I measured a 34% improvement on an i7-3615QM with -O2 and gcc built from git (4.10.0 20140424)
