#1681917 - 06/13/05 06:17 PM
DIsable Hyper Thread, how to do that?
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Robman2
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Registered: 02/19/04
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OK,
(I'm not spending the extra grand for a MAC)
My new PC's a Hyperthreading P4, on an INTEL 875 MOBO...parts I've accumulated for the last year, so it's been bargains at Fry's Electronics and PC Club.
I've heard it said that that turing off HT function, actually improves the chipset and RME 9632 performance... etc.
Is that your take Mr. Phil?
Two Raptor HD's but some of the what should be lightning fast screen changes I expected are a bit slow.
Samplitude V8.2, XP Pro Service Pack 2, and the latest RME and Samplitude updates...
Is there some backgorund XP stuff to disable or remove? No MS Office etc.
I'm not at all on the internet, using the laptop and burning upgrades to media for upgrades, I don't want to get this machine near an inbound phone, cable or DSL line.
I figure I can hire a mule and ride out to Riverside from Santa Monica and ask you for any upgrades at the studio.
Thanks,
Rob
Rob
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Label on the reverb, inside 1973 Ampeg G-212: "Folded Line Reverberation Unit" Manufactured by beautiful girls in Milton WIS. under controlled atmosphere conditions.
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#1681918 - 06/13/05 07:30 PM
Re: DIsable Hyper Thread, how to do that?
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Philip O'Keefe
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Well Rob, I'm not the expert on the Intel boxes... I use an AMD Athlon 64, so hyperthreading is a non-issue for me. I have heard that it is problematic with some software - PT comes to mind - and it may be an issue for some programs and not for others. I HAVE seen reports of people being able to use it even with PT, but seeing better performance with it disabled in BIOS. I don't know if that applies across the board to all DAW software or not... but you should be able to test it and see for yourself. Create a session in Samplitude and fill each track, one at a time, with a series of standard plug ins. IOW, create the song, add one track with an EQ, comp, delay etc. Then create a second track with the exact same plug ins on it. Keep going until you run out of CPU power. The do the same thing, but this time, with Hyperthreading turned off in BIOS. Compare the results and go with what 1) gives you the most CPU popwer (in terms of maximum plug in count) and 2) whatever seems to operate in the most stable manner.
I hadn't heard that hyperthreading had an effect on the RME interfaces, but I suppose that's possible... but usually, AFAIK, it's a software optimization / conflict issue.
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#1681919 - 06/14/05 11:32 AM
Re: DIsable Hyper Thread, how to do that?
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Robman2
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Registered: 02/19/04
Posts: 1994
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Phil, you da mon'.
It may simply be me and perceptives or as I like to say, pilot error...
I bought this processor just as the AMD's were hitting the market so I'll have to live with it for the time being.
R
_________________________
Label on the reverb, inside 1973 Ampeg G-212: "Folded Line Reverberation Unit" Manufactured by beautiful girls in Milton WIS. under controlled atmosphere conditions.
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#1681920 - 06/14/05 01:56 PM
Re: DIsable Hyper Thread, how to do that?
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theblue1
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Registered: 02/06/04
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Info on tweaking XP for music:
http://musicxp.net/
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#1681921 - 06/14/05 03:14 PM
Re: DIsable Hyper Thread, how to do that?
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Robman2
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Z'blu..gracias.
R
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Label on the reverb, inside 1973 Ampeg G-212: "Folded Line Reverberation Unit" Manufactured by beautiful girls in Milton WIS. under controlled atmosphere conditions.
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#1681922 - 06/14/05 04:24 PM
Re: DIsable Hyper Thread, how to do that?
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Robman2
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Registered: 02/19/04
Posts: 1994
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The BLue Uno...
I used and entire tree just to grab all of this data and print it, now punched and bound for manual reference.
Thanks so much for the link.
Rob
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Label on the reverb, inside 1973 Ampeg G-212: "Folded Line Reverberation Unit" Manufactured by beautiful girls in Milton WIS. under controlled atmosphere conditions.
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#1681923 - 06/14/05 08:38 PM
Re: DIsable Hyper Thread, how to do that?
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DanS
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If you're going to be running Gigastudio3, definitely turn off HT. They don't play nice.
I'm in the same boat as Phil with an Athlon64.
Running Cubase, Giga & Acid all Rewired together.
The odd hic-up, but it's rare. 
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#1681924 - 06/14/05 11:13 PM
Re: DIsable Hyper Thread, how to do that?
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FoxTick
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I have an RME 9636, I run Nuendo 3 and HT is turned off. They don't play nice either....(even though the manual says that nuendo takes advantage of HT)
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#1681925 - 06/15/05 12:15 AM
Re: DIsable Hyper Thread, how to do that?
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Filch
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Registered: 04/27/05
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I had to turn it off as well because rewiring Reason into Cubase SX caused all kinds of glitching. Fortunately, I can shut of "dual processing" inside Cubase, so I don't have to mess with the BIOS
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#1681926 - 06/15/05 11:04 AM
Re: DIsable Hyper Thread, how to do that?
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Robman2
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I'll ask Tom Sailor about Samplitude and HT.
Thanks a bunch.
I did the retooled XP stuff as suggested on the site listed above last evening, to shut of extraneous MS dittiness.
It scrolls more quickly now but I somehow turned off the entre' screen from start up and have to tell it to boot, using the CTTRL-F-10 key.
A small annoyance but once I figured it out, NBD.
Thanks folks.
R
_________________________
Label on the reverb, inside 1973 Ampeg G-212: "Folded Line Reverberation Unit" Manufactured by beautiful girls in Milton WIS. under controlled atmosphere conditions.
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#1681927 - 06/16/05 01:49 PM
Re: DIsable Hyper Thread, how to do that?
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Robman2
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Do any of you good folks know how that would be done, I guess I can hacksaw the processor in half, but that's more of a roadie fix isn't it Phil...
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Label on the reverb, inside 1973 Ampeg G-212: "Folded Line Reverberation Unit" Manufactured by beautiful girls in Milton WIS. under controlled atmosphere conditions.
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#1681928 - 06/17/05 01:42 AM
Re: DIsable Hyper Thread, how to do that?
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Filch
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Registered: 04/27/05
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Here's another trick you can do. Launch the audio programs you're going to be using. Bring up the Task Manager. Do this for each app :
- rt click your app and select "Go To Process"
- The process that is your app should be highlighted, rt click on that and select "Select Affinity"
you should see a selection for using either "CPU" or both. Uncheck the 2nd one so that you are now logically only using CPU 1. You are now basically no longer using HT for that application.
Do this for each of your audio apps. The only caveat for this is that you will need to do this each time you reboot or reload the application. But it beats turning it off for everything and messing in the BIOS.
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#1681929 - 06/17/05 01:50 AM
Re: DIsable Hyper Thread, how to do that?
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Philip O'Keefe
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Rob, hyperthreading can be disabled in BIOS. At startup (cold boot), you usually hit the "Escape" key, which opens the BIOS editor. Again, I'm not using an Intel, but I would imagine it's going to be under a "Chipset features" or "Advanced" menu. Which specific mobo do you have? Chances are better than good the instructions are available on the mobo manufacturer's website. 
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#1681930 - 06/17/05 10:42 AM
Re: DIsable Hyper Thread, how to do that?
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Robman2
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Posts: 1994
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Cool...
Thanks Mon' Friends....
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Label on the reverb, inside 1973 Ampeg G-212: "Folded Line Reverberation Unit" Manufactured by beautiful girls in Milton WIS. under controlled atmosphere conditions.
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#1681931 - 06/17/05 03:15 PM
Re: DIsable Hyper Thread, how to do that?
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Philip O'Keefe
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Any time Rob.
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