Tried running the program with +RTS -Nn where n = 2 or more? that should use more OS threads
On Sun, Dec 21, 2008 at 10:43 PM, Günther Schmidt <red...@fedoms.com> wrote: > Hi, > > in an application of mine I start a long-running operation in a thread via > forkIO so that the UI process doesn't get blocked. > It just so happens, that the long-running process also takes the CPU to > nearly 100% while it runs. > > During that time the run-time system does *not* switch back and forth > between the UI-process and the long-running task, it seems that the UI > process only gets woken up *after* the high CPU thread finishes completely. > > To the effect of course that it makes no difference at all to the UIs > responsiveness whether I use forkIO or not. > > The long running process is pretty atomic, it's a single query to the > database which takes up to a minute to complete so I don't see a chance to > squeeze a "mainIteration" in there. > > What can I do? > > Günther > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe >
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