On Fri, Oct 16, 2009 at 10:03 AM, Sam Watkins <s...@nipl.net> wrote: > So it would only be a problem supposing that a significant part of the program > is unparallelizable. I can think of many many tasks where "Amdahl's law" is > not going to be a problem at all, for a properly designed system. > > For example if I had a thousand processors I might raytrace complex scenes for > an animated game at 100 fps, or do complex dsp over a 2 hour audio track in > one > millisecond.
Yes, if you had that few processors, it might seem easy. It gets somewhat harder when you have, say, 128,000. Insignificant bits of code that were not even visible suddenly dominate the time. ron
