Le dimanche 04 janvier 2009 à 23:45 +0100, Samuel Thibault a écrit : > > It’s already the case in HPC environments, and CPU pinning is certainly > > going to be used more widely as the number of cores increases. > > And that's a shame. Linux shouldn't be so happy to move tasks between > CPUs... Actually it doesn’t. Since CPU affinity was included (IIRC in 2.6.16) it is much less prone to move tasks, and the performance impact of not using CPU pinning is small. Still, it is better to use CPU pinning since you often want finer control than that, and that’s especially true in multi-user environments where resources can be sub-host. -- .''`. : :' : We are debian.org. Lower your prices, surrender your code. `. `' We will add your hardware and software distinctiveness to `- our own. Resistance is futile.
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