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 example the AngryPhonebook benchmark usually reports MAX_RSS of 10 543 104 - so around 10 MB. But my local builds from 2017-04-15 had all similar tests drop to around 3 MB (AngryPhonebook reported 3 506 176). That seems like a significant and positive change, but later builds returned to previous values. I have tried to look through the commits around that time, but nothing there strikes me as obvious cause. Forgive my cluelessness, I lack proper visibility into the projects current development, but is there some work going on in this area, that got merged and reverted? Best regards Pavol Vaskovic
Benchmark_O-20170415181132.log
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