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-   -   HDX CPU Spikes (http://duc.avid.com/showthread.php?t=414006)

Drywsef 02-09-2021 10:03 AM

HDX CPU Spikes
Hello all,
Since switching from an HD Native system to HDX, I’ve noticed significantly more CPU spikes when bouncing a mix. This doesn’t make a lot of sense as my System Usage shows a finished mix usage around 20-30%. I have done the Avid recommeneded optimizations and set core affinity to reserve CPU 0 for OS processes. My DPC latency reliably tests under 200us with PT not running. Can anyone help me out with some insights or troubleshooting ideas?

Drywsef 02-13-2021 01:37 PM

Re: HDX CPU Spikes
I’ll add that this only seems to happen consistently during bounce to disk. Normal playback and mixing seems ok.

JFreak 02-13-2021 02:56 PM

Re: HDX CPU Spikes
Surely you can realtime bounce if you can realtime playback without problems

Drywsef 02-21-2021 02:23 PM

Re: HDX CPU Spikes
This seems not to be the case. While I can play back ok, I have to freeze just about every track in the session to get it to bounce properly.

JFreak 02-21-2021 02:32 PM

Re: HDX CPU Spikes
Do you have the ignore errors during playback checked in playback preferences? Untick that and you know if you can playback you can also bounce

Drywsef 02-21-2021 05:38 PM

Re: HDX CPU Spikes
I have tried both ways. It seems to make no difference.

Drywsef 02-21-2021 05:39 PM

Re: HDX CPU Spikes
It even happens when my cpu is at 5%.

JFreak 02-21-2021 05:40 PM

Re: HDX CPU Spikes
Hard to guess what is the problem but you can always "print to track" id playback works and bounce fails

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chrisdee 02-21-2021 10:38 PM

Re: HDX CPU Spikes
Have you tried deleting PT preference.
If that doesn’t help I would try to remove all the plugins from the plugin folder and intoduce back one at a time.

Drywsef 03-01-2021 10:11 AM

Re: HDX CPU Spikes
Thanks, Chris. I will try that and report back.

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