2013/10/25 Jon Elson <el...@pico-systems.com> > Dave Cole wrote: > > I noticed on Intels website that the new Atom chipsets that are > > replacing the Cedarview chipsets do not support hyperthreading. > > > Hyperthreading was a really dumb way to get around some MicroSoft OS's > really BAD task scheduler. it would let one process monopolize the system > badly. Hyperthreading was pretty easy to do, mostly add an extra register > set, but it had a lot of bad side effects, like twice the instructions > stream > loading the cache, and diluting the cache benefits for a single > process. MUCH > better to let a single process run for a few ms and then task switch. > Hyperthreading > just splits the one CPU in half, so to speak. > > Now, of course, everything is going to multiple REAL CPUs (rather than > virtual CPUs by hyperthreading) but the cache sizes are becoming huge. > memory buses are also getting faster. > > Jon > >
Another thing that increases performance is to not use the closed source graphics drivers, they causes really bad hick ups. /S ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60135991&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
