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It seems that Particle CPU cost highly increase at second "show" of a streaming level.
The Licensee's team sent a sample to reproduce this problem.
So I put the project and wrote how to reproduce on this thread.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-27330 in the post.
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Component | UE - Graphics Features |
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Affects Versions | 4.9, 4.10, 4.12 |
Created | Feb 24, 2016 |
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Resolved | Feb 15, 2017 |
Updated | Apr 27, 2018 |