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Sorry, more questions - My CPU meter is going nuts!
Last post Fri, Nov 05 2004 by james_b, 8 replies.
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Posted on Fri, Oct 29 2004 01:20
by Ben Johnson
Joined on Tue, Dec 23 2003, Chicago, Illinois, Posts 126
And I'm not even doing anything! It's jumping from 35% to 75% within fractions of a second, and it peaks at 100% every couple minutes for a brief moment. Once, again this is when the program (GS3) is sitting idle. The ram is sitting comfortably at 4%.

I have but five instruments loaded, each with Gigapulse, on my Xeon 3.06gHz BEAST with 2gb ram.

Is gigapulse THAT taxing on the cpu?
Posted on Fri, Oct 29 2004 06:56
by Przemek K.
Joined on Wed, Jan 28 2004, Vienna, Posts 79
Yes, Gigapulse is a CPU hog, especially if you have more than one of them loaded.

I also have cpu spikes sometimes but only when rewired to my sequencer.

I guess Tascam could optimize the Gs3 engine ( including Gigapulse ), but I think they will try to fix the major bugs at first, which is good.
best regards

Przemyslaw K.
Posted on Fri, Oct 29 2004 14:35
by gugliel
Joined on Wed, Aug 25 2004, Posts 383
Yes, 5 gigapulses seems to be a lot -- the Groups in GS3 are useful to combine paths and use fewer gigapulses. Do you really need 5 different reverb environments?
Musical examples at www.soundclick.com/guglielmo
Posted on Fri, Oct 29 2004 15:40
by Existence
Joined on Mon, Sep 20 2004, Seattle, WA, Posts 30
Have you updated Gigastudio with the latest patch? I at first had the wild CPU meter fluttering that you describe, but after updating with version 3.01 it was fixed.

5 instances of Gigapulse! Wow. I feel comfortable with a max. of about three, but my comp is much less of a firebreather than yours. GP is by nature a 'real time' number cruncher, so as you send streams of data to be processed when you play your samples, you will see CPU usage change dramatically.

- David
Posted on Mon, Nov 01 2004 18:17
by David Govett
Joined on Mon, Jul 29 2002, Austin Texas USA, Posts 1046
They have got the impulses pretty efficient at this point. For the most part unless you use an impulse with room longer than 3 seconds decay time, you are not even getting into the tail modeling so its all full time DSP processing most of the time. Similar quality impulses have been known to use up a whole computer with just one instance(and nothing else running) in the past.
A good 2.8Ghz machine can usually handle a max of 4 "surround" instances at this point. More with stereo.
I can't wait to see what happens in the future when we get 64 bit and multiple processors going.

Cheers

Dave
Posted on Thu, Nov 04 2004 10:25
by drew buchan
Joined on Sun, Nov 27 2005, Posts 243
Try blocking as many of your VST fx that you are unlikely to use (i.e. remove them from your list of available plug-ins).
I've found each plug-in, even if it is not being used, has a significant memory impact.

I've even blocked the native GS3 effects, since I never use them.
Posted on Fri, Nov 05 2004 07:19
by David Govett
Joined on Mon, Jul 29 2002, Austin Texas USA, Posts 1046
"I've found each plug-in, even if it is not being used, has a significant memory impact.

I've even blocked the native GS3 effects, since I never use them."

Thank you! Thats a new one for me. That will help alot of people.
Dave
Posted on Fri, Nov 05 2004 08:05
by james_b
Joined on Wed, Jun 04 2003, Posts 164
David Govett wrote:
"I've found each plug-in, even if it is not being used, has a significant memory impact.

I've even blocked the native GS3 effects, since I never use them."

Thank you! Thats a new one for me. That will help alot of people.
Dave
Strange. This almost sounds like a bug to me. It seems as though simply being available for use shouldn't require a huge amount of memory.

David, maybe you should ask the engineers about this?
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