Comment # 21
on bug 83436
from smoki
(In reply to comment #20) > (In reply to comment #19) > > (In reply to comment #18) > > > Just tried oibaf's radeonsi_dri.so to copy here on Debian (just to be sure > > > :D) and it suffers from the same problem with -march=generic ;) > > > > I mean -mtune=generic of course :). > > > > Now to bisect where that SSE4.1 code start to compile this slow (4 > > minututes on Kabini just for that) :D Issue also not present on 64bit ;) > > I haven't seen the perf issue on my pure 64 bit setup, but have noticed that > the compile sits on sse4.1 for a while recently - just using one core, like > it's blocking the other threads of a make -j5 till it's done. Oh i bisected that ine, it takes 200X more time to compile on 32bit :D , actually compile libmesa_gallium i think this is the commit: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d55f77b503ab7b59ecdd8f31c4f7dc498710e75b
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