915241 - [1.2] Regression in Gallery Scroll FPS (compared to [1.1])

Status: RESOLVED FIXED

(Firefox OS Graveyard :: Gaia::Gallery, defect, P1)

Description

[Mandyam Vikram]

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36

Steps to reproduce:

Based on high speed camera measurements (on a QRD 7x27 device), there seems to be a degradation in UX scroll performance of the Gallery App.


Actual results:

Measurements on 1.2:
51 FPS 
Measurements on 1.1:
58 FPS

Comment 2

[Mike Lee [:mlee]]

Per Sandip in bug 915239: Minimum Expected Benchmark for Gallery App Scrolling is 55 FPS.

Comment 3

[Milan Sreckovic [:milan] (needinfo for best results)]

Recent preliminary QA testing on Leo was showing 42-56fps, so we may be in range, and we need to do it on the right device and with the same methodology to be sure.

Comment 4

[Jon Hylands [:jhylands]]

Milan, do we have a definitive answer on this? The dependent bugs have been marked resolved.

Comment 5

[Milan Sreckovic [:milan] (needinfo for best results)]

We are waiting for QC to confirm.  They are currently the ones that can measure using the same methodology as for 1.1, so we need them to come back with the latest results.

Comment 6

[Jon Hylands [:jhylands]]

Per Qualcomm's report, scroll performance has increased from 51 to 57 FPS, which is in line with 1.1 numbers, so I am closing this bug as fixed.