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Posted on Fri, Jul 12 2019 19:01
by Velcro
Joined on Wed, Aug 15 2018, Posts 3

Hello VSL forum — been browsing here awhile and picking up lots of helpful tips — thanks!

My questions is this: if anyone is successfully running Dimension Strings (original version) as 32 individual VIP instances through 32 MIR channels in the host sequencer... what kind of setup are you using?


I've got a single computer; 2017 iMac with i7 4.2Ghz (Kaby Lake 7700k) with 64gb RAM.

So far I've tried:

VIP in Cubase
VIP in VEP with Cubase
VIP in Bidule in Cubase
VIP in Reaper
VIP in VEP with Reaper

In every scenario, I can't get more than one or two sections going before crackling begins. I've tried all the preload, voice, core allocation settings. All helpful, but not enough to get the performance I'm looking for. I'd prefer to stay at 512 or less on the buffer, on one machine, with MIR in the host for ease of mixing with other VIs.

Is this asking too much from this one computer?
What kind of system would one need to get this working?

Many thanks!

Posted on Fri, Jul 12 2019 21:03
by stephen limbaugh
Joined on Tue, Feb 23 2016, Los Angeles, Posts 208

My system, details in my signature, handles all 32 VIpro 2 Dimension Strings in unison playing rapid scales with the Pref-trill_leg articulation LIVE, and at 256 buffer, in the MIR Pro Konzerthaus GosserSaal.

Slave CPU peaks at about 65% CPU in the task manager.  MacBookPro CPU needle doesn't even move.  I *might* get one or two minor pops when I'm doing impossible runs that real strings can't do.. but 99% of actual music I'd write wouldn't cause any pops.  Other articulations that aren't as polyphony-heavy, no pops at all.

When playing back at 512 buffer, not live, zero pops no matter what MIDI was recorded.

2019 MacBook Pro, 8 core i9, 32gb RAM. Heavy Digital Audio PC slave, 6 core Xeon E5-1650, 128gb RAM. Logic 10.4.5. Mojave & Windows 10.
Posted on Fri, Jul 12 2019 23:22
by Velcro
Joined on Wed, Aug 15 2018, Posts 3

Thank you, that's very helpful!

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