On Thu, Dec 13, 2012 at 12:40 PM, Jan Hubicka <hubi...@ucw.cz> wrote: >> > Here we speak about memcpy/memset only. I never got around to modernize >> > strlen and friends, unfortunately... >> > >> > memcmp and friends are different beats. They realy need some TLC... >> >> memcpy and memset in glibc are also extremely fast. > > The default strategy now is to inline only when the block is known to be small > (either constant or via profile feedback, we do not really use the info on > upper bound of size of the copied object that would be useful but not readilly > available at expansion time). > > You can try the test_stringop script I attached and send me the results. For
Areg, can you give it a try? Thanks. > me libc starts to be win only for rather large blocks (i.e. >8KB) > Which glibc are you using? -- H.J.
