Windows: SSL VST plugins lagging Renoise on pretty heavy pc

Hi,

When i run a Renoise song, with some plugins, not many. Everything always starts to lag. When I tab to a different track, or try to type a note, it takes a second or so… I run it on a pretty heavy machine, with not much more on it then Renoise, and Renoise is the only active program. Renoise reports 15% processor use.

I only use samples, or round robin instruments with samples and some effect plugins, and 1 plugin to drive my midi card. But it also lags without that midi plugin.

Windows 11
Proc: i7 13700k
Ram: 64Gb
Audio interface: MOTU M4

I had the same problems with a different audio interface, ssl2.

Changing the buffersize on my card doesn’t help. It’s on 256, but 512 doesn’t help.

It really takes out the vibe when I try to make music, I hope someone has some advice, thanks!

can you make an example song file where the lagging always happens, if needed, preferably with native dsp and/or freeware vst only?

Thanks for your quick reply, I can’t get it to lag with Renoise Native devices.

This afternoon I realized only the graphics lag but audio just runs fine. Since changing buffersize doesn’t change anything, I thought well maybe it’s an graphics thing then.

I’ve tested some more with only 1 sample and opened some plugins: The problems appear after opening SSL Flexverb or SSL Channel Strip 2. After opening and closing the GUI, the lagging begins. It’s just these 2 plugins in the project and 1 rimshot.

Opening Fabfilter ProQ2 doesn’t induce the lagging, so it seems.

I’ve updated my Intel Graphics drivers, but that didn’t help.

So you’ve found the culprit yourself, it’s the SSL plugins (seemingly in general). Of course they haven’t been tested in Renoise. In the end all you can do is to make sure you’re running the latest versions, and if nothing helps you should report the issue to SSL.

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Finding the culprit doesn’t mean it’s solved.

SSL told me to reinstall the plugins, which ofcourse didn’t help.

Is there maybe performance related ligging that I can check?

Thanks

Updated my bios and all motherboard related drivers, that wasn’t the solution.

Borrowed and installed a NVIDIA 2GB GPU, really thought that this would fix the problem, but it didn’t.

For a more positive note, SSL tells me today that they’ve contacted Renoise, pretty cool :slight_smile:

That’s the only way to react appropriately, because only SSL can fix it. You could update everything you can imagine and nothing would change, because your computer isn’t the culprit. Except your SSL stuff everything else works as expected, right? Did you read the link? You’re not the only one having troubles with SSL. Personally I would generally avoid using software made by Waves, SSL, NI and Arturia…