On Thu, Dec 29, 2005 at 10:36:37PM +0100, Tomasz Zielonka wrote: > On Thu, Dec 29, 2005 at 03:34:10PM -0500, Cale Gibbard wrote: > > The issue with it taking too long seems to basically be as Joel said, > > only one of the threads can take that MVar at a time. Even if the time > > that it's taken is fairly short, if one is running faster than the > > others, it tries to take the MVar more often, which means that it runs > > a higher risk of being blocked and slowed down, letting other threads > > take its place. It essentially just forces the scheduler to be more > > fair. > > I get results that confirm scheduler unfairness.
I am taking it back. It seems that these results were caused by threads starting at different moments. I made every thread wail till all threads are created, and now I can't reproduce it anymore. Best regards Tomasz -- I am searching for a programmer who is good at least in some of [Haskell, ML, C++, Linux, FreeBSD, math] for work in Warsaw, Poland _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
