The article only showed that 64 USERSPACE is faster!!! You gain absolutely nothing with 32 bit userspace!
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Ubuntu 11.04: i686 vs. i686 PAE vs. x86_64
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Originally posted by Kano View PostThe article only showed that 64 USERSPACE is faster!!! You gain absolutely nothing with 32 bit userspace!
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Ubuntu is not a performance oriented distro. It is a distro that is supposed to be user friendly for people that don't know how to maintain/use a linux system or don't want to be bothered by doing so. Right now the friendliest and most trouble free version of linux on x86 is 32 bit. Canonical isn't likely to change their recommendation to use the 32 bit version any time soon no matter what the performance numbers look like.
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Originally posted by eikenberry View PostMy original post was how I'd like to see some benchmarks that would actually test what the effect of the PAE vs 64 bit kernel was. All the article shows is as you say, that 64 bit kernel + 64 bit userland is faster. This isn't news. I was curious about whether the 64 bit kernel was any faster than a 32 bit kernel w/ PAE while keeping everything else the same (i.e., no userland changes).
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Originally posted by Awesomeness View PostSo you are the one person using Adobe Reader on Linux!
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As anybody can see, on average there is actually slight improvment in terms of performance on PAE-enabled systems. But I would attribute this to the fact that system have then a bigger filesystem cache. To really show how it affects perfrormance, one would need to perform tests on 2GB system. Anyway, nice it works good, especially, as I use PAE because of Xen.
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I know ubuntu targets newbies but people who are likely going to try ubuntu aren?t going to be xenophobes. Their going to have some understanding as to what 32 and 64 bit are and assume that if ubuntu is recommending 32 bit its going to suffer 64 bit issue on the scale windows did.
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