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On Wed, 13 Aug 2008 12:44:45 +0200 Ingo Molnar <mingo@elte.hu> wrote: > There are various other options to solve the (severe!) performance > breakdown: > > 1- glibc could start not using MAP_32BIT for 64-bit thread stacks > (the boxes where context-switching is slow probably do not matter all > that much anymore - they were very slow at everything 64-bit anyway) > > Pros: easiest solution. > Cons: slows down the affected machines and needs a new glibc. > > > i'd go for 1) or 2). I would go for 1) clearly; it's the cleanest thing going forward for sure. -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org | ||||||||||||
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