All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=601790

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6LCopQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqN2MogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6JKksgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6L6bogsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6MbJsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqM3hoQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqP6EuQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6PmTvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6O-ipQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmIr2pwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqMuxsgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6IHfrQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqIuPtAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6IavtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6IaaswkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6LT7qAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6KPmsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6O2_vQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6NmMrAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqNXxnQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6NCKvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqIKuqwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqPeEqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6MHEvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6OLrvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqKuApwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6IHhuAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6J3SswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6MGSowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6NT-sgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6OK_owoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqN2QvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqKuApwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6Ni7vQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqKvuvgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6J3OqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6LnxvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6OKRtAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6MGOsgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6J2kogkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqLfVvwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6MHEvAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6KbgpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6JLOugoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqPenvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqOvIuQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqI_QowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6NDAtwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6PTKtQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6IGcsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6PnetAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6Ma4rgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqLOMuQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqOejpwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6N73qAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6Mm1vwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6MmroQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6KDWpwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqMSVsgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqOX4rAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqP7prAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqIe4pAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6M3bsgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6O6l-AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqNPH8QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6M3bsgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqK39owoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6K3ypwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6MLbqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6KKUpgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqNO9oAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6JnioAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6K3utgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqNektQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6K25rwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6JnioAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6JDmswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6MmroQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqOejpwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6OSwswsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6N73qAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqM2rqQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqNfZogkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6NqytAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6JTisAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6NqytAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6IKPpAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqJfruQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqO3BtgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6Jm2sQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqO3BtgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqL_koAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6KDJ9ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6IbQvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6P7ZtwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqLe6twoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgqLehrgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6P7ZtwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6NKftQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6PDXoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6Pv6rAsM,ag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Bot(s) for this bug's original alert(s):

chromium-rel-win10
chromium-rel-win7-dual
chromium-rel-win7-gpu-ati
chromium-rel-win7-gpu-intel
chromium-rel-win7-gpu-nvidia
chromium-rel-win7-single
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
win-zenbook

Woo, this is a fun one :)

wez, this is almost certainly your DCHECK build. No action for you since it was just an experiment and has already been reverted.

I saw the post on chromium-dev, but in the future it may be a good idea to give perf-sheriffs@chromium.org a heads up too so we definitely know what goes on.

I'm sure there are more regressions to be found sitting in my queue, I'll keep associating them with this bug. However, not sure if you'll be able to view them for a bit: https://github.com/catapult-project/catapult/issues/2231