Messages in this thread |  | | | Subject | Re: [Bugme-new] [Bug 12562] New: High overhead while switching or synchronizing threads on different cores | | From | Valdis.Kletnieks@vt ... | | Date | Mon, 02 Feb 2009 22:56:49 -0500 |
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On Mon, 02 Feb 2009 08:43:55 +0100, Thomas Pilarski said: > Am Freitag, den 30.01.2009, 08:57 +0100 schrieb Mike Galbraith: > > One of those "don't _ever_ do that" things? > > I did not known random() uses a system call. It's rather unrealistic to > have five million system calls in a second. By adding a small loop with > some calculations near the random, the problem disappears too. > It is a unlucky chosen data generator.
Am I the only one that's scared by the concept of anything that beats on random numbers enough to need 5 million of them a second, but is still using the relatively sucky one that's in most glibc's? :)
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