On Monday 16 March 2009 13:33:58 Mario. wrote: > how do SSE2 SSE3 SSE4 and such instructions affect latency in terms of > context switching? > is there any noticeable difference?
I think they should not affect context switching in any way. And the code that crashes with -msse2 is inside of the kernel. So it's not affected by context switching anyway. I don't think that linux context switches should affect EMC latency in any case, because the realtime tasks run inside of rtai. Latencytest shows a latency of <10us with and without -msse2 -- Greetings, Michael. ------------------------------------------------------------------------------ Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are powering Web 2.0 with engaging, cross-platform capabilities. Quickly and easily build your RIAs with Flex Builder, the Eclipse(TM)based development software that enables intelligent coding and step-through debugging. Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
