Linked by Thom Holwerda on Tue 28th Oct 2008 10:51 UTC
Ubuntu, Kubuntu, Xubuntu With the release of Ubuntu 8.10 only a few days away, Phoronix decided to take a look at the performance figures over the past releases - from Ubuntu 7.04 to Ubuntu 8.10. Phoronix used its own extensive test suite on fresh installations, with the same parameters, on the identical hardware. The results are rather surprising. Update: I've added some more information about this, gathered from the Ubuntu mailing list. You can find it in the 'read more'.
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The problem here is not obvious
by google_ninja on Tue 28th Oct 2008 15:41 UTC
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The more features you add to software, the slower it is going to get. Over time, hardware speeds increase, so you end up with more or less the same speeds, but software that does much, much more then it used to.

That is not the problem. The problem is that cannonical did not know this. An automated performance test suite should be part of any half-way serious development process. You need to know the impact that your changes are having on things, even if you choose not to act on that information, it is vital to have. With it you can say "introducing feature X did not impact performance as much as we expected it to", or "we have a huge performance hit on this release that we were not expecting, we got to figure out what is causing it".

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