Re: [swift-dev] Mysterious memory improvement and regression

2017-04-25 Thread Pavol Vaskovic via swift-dev
Greg! Thanks for the explanation and sorry for the report. I’m putting the attachment to dropbox, to work around the mailing list size cap. > On 25 Apr 2017, at 08:36, Greg Parker (mailto:gpar...@apple.com)> wrote: > > > On Apr 24, 2017, at 8:52 PM, Pavol Vaskovic > (mailto:p...@pali.sk)>

Re: [swift-dev] Mysterious memory improvement and regression

2017-04-24 Thread Greg Parker via swift-dev
> On Apr 24, 2017, at 8:52 PM, Pavol Vaskovic wrote: > >> On 25 Apr 2017, at 01:28, Greg Parker wrote: >> >> The value of MAX_RSS depends on OS behavior. Other activity on the same >> machine may change MAX_RSS of the benchmark. > > Can you please describe the mechanism of how “other activit

Re: [swift-dev] Mysterious memory improvement and regression

2017-04-24 Thread Pavol Vaskovic via swift-dev
> On 25 Apr 2017, at 01:28, Greg Parker wrote: > > The value of MAX_RSS depends on OS behavior. Other activity on the same > machine may change MAX_RSS of the benchmark. Can you please describe the mechanism of how “other activity on the same machine may change MAX_RSS of the benchmark”.? >

Re: [swift-dev] Mysterious memory improvement and regression

2017-04-24 Thread Greg Parker via swift-dev
> On Apr 21, 2017, at 3:57 AM, Pavol Vaskovic via swift-dev > wrote: > > Hi swift-dev! > > I was working over the Easter holiday weekend on script that reports the > benchmark results comparison. I wasn’t always up-to-date with the master, but > I have noticed a mysterious change in MAX_R

Re: [swift-dev] Mysterious memory improvement and regression

2017-04-21 Thread Pavol Vaskovic via swift-dev
On Fri, Apr 21, 2017 at 7:55 PM, Michael Gottesman wrote: > > I can't think of anything. But what I can say is that this makes me want > to track MAX_RSS over time ; ). > SR-4591 Performance monitoring: History of benchmark results https://bugs.swift.org/browse/SR-4591 _

Re: [swift-dev] Mysterious memory improvement and regression

2017-04-21 Thread Michael Gottesman via swift-dev
> On Apr 21, 2017, at 3:57 AM, Pavol Vaskovic via swift-dev > wrote: > > Hi swift-dev! > > I was working over the Easter holiday weekend on script that reports the > benchmark results comparison. I wasn’t always up-to-date with the master, but > I have noticed a mysterious change in MAX_RS

[swift-dev] Mysterious memory improvement and regression

2017-04-21 Thread Pavol Vaskovic via swift-dev
Hi swift-dev! I was working over the Easter holiday weekend on script that reports the benchmark results comparison. I wasn’t always up-to-date with the master, but I have noticed a mysterious change in MAX_RSS value reported from benchmarks. The change went away again in later builds. For e