Description

The loading time from 4.12 to 4.13 on mobile devices seems to have increased quite a bit.

My results:
4.12.5
Windows 7 - Launch On:
Loading Level 2 - .51
Loading Level 3 - .74
Loading Level 1 - .73
Windows 7 - Packaged:
Loading Level 2 - .468
Loading Level 3 - 2.901
Loading Level 1 - .100

4.13.1
Windows 7 - Launch On:
Loading Level 2 - .53
Loading Level 3 - .75
Loading Level 1 - .70
Windows 7 - Packaged:
Loading Level 2 - .308
Loading Level 3 - 1.860
Loading Level 1 - .92

4.12.5
Android Nexus 9 - Launch On:
Loading Level 2 - .466
Loading Level 3 - .633
Loading Level 1 - .865
Android Nexus 9 - Packaged:
Loading Level 2 - .600
Loading Level 3 - 5.77
Loading Level 1 - .332

4.13.1
Android Nexus 9 - Launch On:
Loading Level 2 - .833
Loading Level 3 - 1.138
Loading Level 1 - 1.273
Android Nexus 9 - Packaged:
Loading Level 2 - 1.862
Loading Level 3 - 11.365
Loading Level 1 - .805

4.12.5
iOS 5s - Launch On:
Loading Level 2 - .506
Loading Level 3 - .579
Loading Level 1 - .544
iOS 5s - Packaged:
Loading Level 2 - .629
Loading Level 3 - 4.804
Loading Level 1 - .330

4.13.1
iOS 5s - Launch On:
Loading Level 2 - .446
Loading Level 3 - .554
Loading Level 1 - .510
iOS 5s - Packaged:
Loading Level 2 - 2.841
Loading Level 3 - 17.544
Loading Level 1 - .550

Steps to Reproduce

1. Download: https://udn.unrealengine.com/storage/attachments/278519-maploadtimetest4125.zip
2. Test the project in 4.12.5 on Android, iOS and Windows
3. Collect the time data from each load
4. Create a copy of the project for 4.13.1
5. Test the project in 4.13.1 on Android, iOS and Windows
6. Collect the time data from each load and compare

Results: The loading time from 4.12 to 4.13 seems to have increased in iOS and Android
Expected Results: Loading time should not have increased by almost double for mobile devices

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-36835 in the post.

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Fixed
ComponentPlatform - Mobile
Affects Versions4.13.1
Target Fix4.14
Fix Commit3171165
Release Commit3171165
CreatedOct 4, 2016
ResolvedOct 21, 2016
UpdatedSep 16, 2019