Neels Hofmeyr wrote on Tue, Apr 02, 2013 at 15:12:54 +0200: > On Tue, 2 Apr 2013 02:45:17 +0300 > Daniel Shahaf <danie...@elego.de> wrote: > > > Daniel Shahaf wrote on Tue, Apr 02, 2013 at 02:42:52 +0300: > > > Neels Hofmeyr wrote on Tue, Apr 02, 2013 at 01:29:09 +0200: > > > > Somewhere between r1454789 and r1457253 on trunk, that's three to > > > > four weeks ago, 'commit', 'copy' and 'merge' got dramatically > > > > faster: as much as 80%, and more! Amazing. > > > > > > Ahem, you should probably correlate that with whenever our VM was > > > moved to the shiny new VMs host. > > Hmm, would have been nice to know about this in advance :)
You should talk to Tony/Gavin (via infrastructure@). Note that even if infra moves a VM other than ours between hosts, that might affect the load on our current host, which in turn might affect the benchmarks. > Then again, I'd probably have to read *all* mails coming in to be sure > that I wasn't notified, even those that don't contain my name. :P > Just the mails from infra folks :-) > > > Probably the easiest way to do this is by re-running the benchmark > > against r1454789? > > This would be a good time to blow the entire collected benchmark data > into the wind and start afresh. This is close to embarrassing. But can > happen. That's why I keep including one-too-many disclaimers... > Well yes it's unfortunate, but at least we know the real reason for the unexplained greening of the results. > Do we have another host or two that could run benchmarks periodically? > Then I'd only call results consistent if all three benchmarkers show > similar change. > Ask on infra@?