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  #1  
Old 04-29-2007, 01:53 PM
bortraws bortraws is offline
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Default Mono DVerb plugin test on 8-Core Mac Pro

Well here it is then, per request.

The Mono DVerb plugin test on the 8-Core Mac Pro in Pro Tools LE 7.3.1.

First the specs:

Mac Pro 8-Core 3 GHz
4 GB RAM
Mac OS X 10.4.9
H/W Buffer Size: 1024
RTAS Processors: 8
CPU Usage Limit: 85%
24-bit, 48 KHz session

I created 48 mono audio tracks and inserted DVerbs on all inserts ... but hold on, there's more ...
because i couldn't create more audio tracks i created Aux inputs and after 9 Aux inputs it gave me the well known Buffer Size error.

So in total i had a whopping 248 DVerbs inserted and playing back audio on all tracks and routing signals from sends to the other 9 aux tracks. The last aux track only had 4 plugins inserted.

So there you have it, 248 DVerbs in total !!

Any other requests for tests i can perform?
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Old 04-29-2007, 05:13 PM
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LoZion LoZion is offline
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Default Re: Mono DVerb plugin test on 8-Core Mac Pro

Can you try various buffer sizes? (And are we talking 44.1k/24?)
thanks,
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  #3  
Old 04-29-2007, 05:50 PM
Phil Jeffers Phil Jeffers is offline
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Default Re: Mono DVerb plugin test on 8-Core Mac Pro

Great stuff!!!

Can you set the hardware buffer to minimum and drop into record on 24/32/48 channels... then do the same with d-Verbs.

Ta, Phil
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Old 04-29-2007, 05:57 PM
Phil Jeffers Phil Jeffers is offline
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Default Re: Mono DVerb plugin test on 8-Core Mac Pro

P.S. please set CPU usage to 95 or 99% (all 8 cores).
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Old 04-29-2007, 06:01 PM
Phil Jeffers Phil Jeffers is offline
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Default Re: Mono DVerb plugin test on 8-Core Mac Pro

P.P.S. please have the CPU uage window open also... check for spikes and gauge level (one third, half, three quarters etc.)

Thanks man, legend!
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Old 04-30-2007, 04:48 AM
bortraws bortraws is offline
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Default Re: Mono DVerb plugin test on 8-Core Mac Pro

Woa, that's a lot of requests. I will change the playback buffer size to 128, 512 plus 1024 again and set the cpu usage to 99% to see what it does then. Although that is really really pushing it. But hey, that's what you want isn't it?

I already have recorded at different tracks with the current session without a problem. Oke, it becomes a little bit slower in response, but still very very usable. The spikes in the current session were almost none. With my DP 1.8 G5 the cpu usage meter was always very nervous. With this machine the little line stays close to the green bar without jumping nervously. I'll see what it does with the other settings.

I'll be back soon with the results.
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Old 04-30-2007, 05:32 AM
bortraws bortraws is offline
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Default Re: Mono DVerb plugin test on 8-Core Mac Pro

Okay, here it is. The results of even heavier mono DVerb tests on the 8 Core Mac Pro

All these settings below allowed me to comfortably record multiple tracks and of course play them all back.


Hardware Buffer Size: 1024 samples
CPU Usage Limit: 99%
audio settings: 48KHz, 24-bit
48 audio tracks and 17 aux input tracks with a total of 323 DVerbs


Hardware Buffer Size: 512 samples
CPU Usage Limit: 99%
audio settings: 48KHz, 24-bit
48 audio tracks and 1 aux input tracks with a total of 241 DVerbs


Hardware Buffer Size: 128 samples
CPU Usage Limit: 99%
audio settings: 48KHz, 24-bit
30 audio tracks with a total of 150 DVerbs


By the way, i have the X1900XT graphics card with 512MB Video RAM. This really made a difference. The Meters all kept visualizing the signals smoothly. So it's recommendable to buy a better graphics card.

Any other requests ?
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Old 04-30-2007, 06:35 AM
GORILLA GORILLA is offline
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Default Re: Mono DVerb plugin test on 8-Core Mac Pro

Quote:
Okay, here it is. The results of even heavier mono DVerb tests on the 8 Core Mac Pro


Hardware Buffer Size: 1024 samples
CPU Usage Limit: 99%
48 audio tracks and 17 aux input tracks with a total of 323 DVerbs

Impressive! What can a $7,995.00 H.D. 1 system do?

GORILLA
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Old 04-30-2007, 06:40 AM
Phil Jeffers Phil Jeffers is offline
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Default Re: Mono DVerb plugin test on 8-Core Mac Pro

Quote:

Hardware Buffer Size: 1024 samples
CPU Usage Limit: 99%
48 audio tracks and 17 aux input tracks with a total of 323 DVerbs
Wow!!! Awesome... thanks again dude.

Cheers, Phil J.
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  #10  
Old 04-30-2007, 07:12 AM
bortraws bortraws is offline
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Default Re: Mono DVerb plugin test on 8-Core Mac Pro


Quote:

Impressive! What can a $7,995.00 H.D. 1 system do?

GORILLA

Well, maybe someone else is willing to do that test. I have access to an HD system, but i am not at that location very often.

Now that computers become more and more powerful. I wonder how they measure up against an HD system. Purely processor vs dsp of course. The other positive elements that speak for an HD system are obvious.

Anyone??
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