[maemo-developers] Performance of floating point instructions
From: Eero Tamminen eero.tamminen at nokia.comDate: Fri Oct 29 12:14:36 EEST 2010
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Hi, (I resurrected this old thread because there was on meego-dev mailing list a comment about possibility for RunFast float mode being enabled by default on MeeGo...) ext Alberto Mardegan wrote: > Eero Tamminen wrote: >> Hamalainen Kimmo (Nokia-D/Helsinki) wrote: >>> On Wed, 2010-03-10 at 12:57 +0100, ext Alberto Mardegan wrote: >> Not the libosso osso_fpu_set_mode() function? > > I can't find this in libosso.h. :-( It's defined in osso-fpu.h (since summer 2009): http://maemo.gitorious.org/fremantle-hildon-desktop/libosso/blobs/master/src/osso-fpu.h If somebody's using a lot of floats (RunFast mode affects only floats) and they're a bottleneck, it would be interesting to know how much this (setting the RunFast mode at program start) helps. - Eero
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