1282137 - cart summary pgo slope creep on uplift of Firefox 49 to Aurora

Status: RESOLVED WONTFIX

(Testing :: Talos, defect)

Description

[Robert Wood [:rwood]]

The uplift of v49 to aurora exposed a slope creep in cart summary pgo.

windows8-64 pgo (6.73%):

https://treeherder.mozilla.org/perf.html#/graphs?timerange=5184000&series=%5Bmozilla-inbound,117111ac5ed445b296c29ef3080d0dbb254e2fc4,1,1%5D&series=%5Bmozilla-aurora,117111ac5ed445b296c29ef3080d0dbb254e2fc4,1,1%5D&zoom=1462245080657.4802,1466774424000,22,25.820289501245473

windows7-32 pgo (6.04%):

https://treeherder.mozilla.org/perf.html#/graphs?timerange=7776000&series=%5Bmozilla-inbound,4a9c09b5bcaed8fbc3401e2ecba5d6447c5a6073,1,1%5D&series=%5Bmozilla-aurora,4a9c09b5bcaed8fbc3401e2ecba5d6447c5a6073,1,1%5D&zoom=1461291030850.3938,1466774424000,22,26.923791708113093

windowsxp pgo (2.31%):

https://treeherder.mozilla.org/perf.html#/graphs?timerange=5184000&series=%5Bmozilla-aurora,898b13577b15bcc31f2ea1bccc3ba5ed4533db14,1,1%5D&series=%5Bmozilla-inbound,898b13577b15bcc31f2ea1bccc3ba5ed4533db14,1,1%5D&zoom=1462157066511.811,1465318805437.0078,26.978259984997734,32.19565128934556

Comment 1

[Joel Maher ( :jmaher ) (UTC -8)]

win8 -e10s:
https://treeherder.mozilla.org/perf.html#/graphs?timerange=7776000&series=%5Bmozilla-aurora,ff6c4d8ae50dfc1db3befd00aa77f88a8de2da11,1,1%5D&series=%5Bmozilla-inbound,ff6c4d8ae50dfc1db3befd00aa77f88a8de2da11,1,1%5D&zoom=1461544598652.443,1465407078858.9126,22.428748261972874,27.35439881959369

Comment 2

[Joel Maher ( :jmaher ) (UTC -8)]

we have shipped this and didn't see this in v.50.