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Is there a Blueprint performance control and warnings check tool?

Hi, I would be glad to know better what tools can be used to control what's consuming CPU and GPU resources ingame beyond simply seeing the frame rate.

In UDK I would use the log and the Gameplay Profiler. The profiler, I've read, is not there anymore. The log (I mean the external .txt file) doesn't give enough information to know, for example, what's causing a worsening in the performance (from 120fps to barely 30fps) after changing and adding some blueprints (and it's not really evident, as the Tick events involved have been checked and are not the cause).

I mean, I would be expecting performance warnings, but where can I find them? I only get notified if errors are involved when playing. I've seen a pretty nice log when cooking for Launch, but is there an alternative place to check out performance in the sense of seeing all the warnings, of level and blueprint-derived work?

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asked Apr 02 '14 at 05:19 PM in Everything Else

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Albert Espín
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avatar image Albert Espín Apr 03 '14 at 03:18 PM

Any ideas?

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In the command bar in the top-right corner type profilegpu

Also stat unit might be useful to check whether it's the game thread or rendering thread that takes most time

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answered Apr 03 '14 at 03:30 PM

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phoboz
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avatar image Albert Espín Apr 03 '14 at 07:46 PM

Thanks for the info. I've also found out that Frontend, which can be openen from the Window menu, has profiling capabilities, and that it can open and analyze files in a way that reminds the old profiler in UDK. Those files can be generated calling the command "stat startfile" and stopped with "stat stopfile".

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