[pypy-dev] recent speed results
fijall at gmail.com
Thu May 6 23:51:59 CEST 2010
I looked at svn log, and the only coincidence I can find is upgrade of ubuntu.
On Thu, May 6, 2010 at 7:51 AM, <exarkun at twistedmatrix.com> wrote:
> On 11:05 am, arigo at tunes.org wrote:
>> On Tue, May 04, 2010 at 07:59:17PM -0600, Maciej Fijalkowski wrote:
>>> Anyone has any clue where recent noise comes from? I could not
>>> pinpoint any single revision.
>> That really looks like some external factor, e.g. the machine is
>> overloaded. Maybe we should move benchmarking to tannit. It would mean
>> that the results cannot be followed across the move, but at least tannit
>> is a non-virtual machine on which we can ensure some consistent total
>> The drawback of picking tannit is that it's unclear what will occur to
>> it after the end of the current funding period. Other choices have
>> other drawbacks -- e.g. wyvern is old (and not representative of today's
>> performance) and might die unexpectedly any year now.
> What else is on the machine that's causing it to be overloaded now?
> I'd suggest temporarily disabling or moving all of that first, getting a few
> benchmark runs that show there hasn't been a performance regression, and
> then considering moving the benchmarks to a new machine. Otherwise if there
> has been a performance regression, the move will just hide it.
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