Re: [ccp4bb] slow graphic in mac 10.6

- Protein crystallography

Main steps:

- Protein purification
- Crystallisation

Special:

- Programs for crystallography
- X-ray detectors

Basic tutorials:

   - Chemistry
   - Protein
   - Peptide
   - Amino Acids

Xtal community:

- CCP4BB

CCP4bb navigation

CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999

Previous message:
Subject: Re: slow graphic in mac 10.6
From: Serge Cohen s {- dot -} cohen {- at -} NKI {- dot -} NL
Date: 2010-02-15

Next message:
Subject: publBio
From: Klaus Piontek klaus {- dot -} piontek {- at -} OCBC {- dot -} UNI-FREIBURG {- dot -} DE
Date: 2010-02-15

Subject: Re: slow graphic in mac 10.6
From: Andreas_Förster docandreas {- at -} GMAIL {- dot -} COM
Date: 2010-02-15

Serge,

this might indeed be the problem for some, but my MacBook is of an older
vintage and only has one GPU.

Andreas

On 15/02/2010 10:10, Serge Cohen wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> For what it is worth (I'm fairly confident that indeed this is not the cause of the problem you are seeing, but better checking than missing the point):
>
> The current MacBook Pro also have two GPU, one integrated in the chipset and a more powerful dedicated one.
>
> By default only the chipset integrated one is on (to save on power consumption), so if you're doing graphics it is worth going in "system preference" -> "energy saver" and at the top preference window check that "Graphics" is set to "Higher performance"...
> A bummer is that it is currently necessary to restart one's session to go from one setting to the other, and I'm not 100% sure that this setting is preserved upon reboot of the machine...
>
> Cheers,
>
> Serge.
>
>
> Le 15 févr. 2010 à 10:44, Andreas Förster a écrit :
>
>> Hey Rui,
>>
>> for what it's worth, I had a very similar problem. I upgraded a MacBook
>> Pro to OSX SP6 and got extra-slow graphics and a wildly flickering PyMOL
>> window - only on the laptop screen, though. On the external screen,
>> PyMOL looked ok. Ray-tracing was painfully slow in either window.
>>
>> When I cloned the screen instead of extending it, the flicker
>> disappeared and didn't return when I went back to the original setup of
>> two contiguous screens. All is good now.
>>
>> While this is by no means an answer to your question or useful advice,
>> it means at the very least that you might be able to overcome your
>> problems by fiddling around.
>>
>> Good luck.
>>
>> Andreas
>>
>> On 13/02/2010 5:10, rui wrote:
>>> HI,Dear All,
>>>
>>> sorry for this non-crystallgraphic question, but I think people here may
>>> know how to fix this problem. Several days ago, I posted a question
>>> about slow coot in my mac and people suggested me change some settings
>>> in coot which does help. However, I still feel something is wrong. I
>>> noticed the slow speed when I installed x11,( I switched from ppc to
>>> macpro and need to reinstall x11 and coot etc ). Since then, I noticed
>>> that when I open a terminal , it's very slow and if I type glxgears, it
>>> only shows about 1400 FPS. If I open pymol, I can actually see the
>>> images are flashing. Does anyone know why? Thanks a bunch.
>>>
>>> Rui
>>
>
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.10 (Darwin)
>
> iEYEARECAAYFAkt5HZQACgkQlz6UVQtc2uz5KgCgoPbmgHSgzgl3wRBxh4IEIj31
> a8QAnRxkW/Ks6KmXwCJ/Gpl1tYTy3fjb
> =oLb0
> -----END PGP SIGNATURE-----
>

--
Andreas Förster, Research Associate
Paul Freemont & Xiaodong Zhang Labs
Department of Biochemistry, Imperial College London
http://www.msf.bio.ic.ac.uk

CCP4bb navigation

CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999

Previous message:
Subject: Re: slow graphic in mac 10.6
From: Serge Cohen s {- dot -} cohen {- at -} NKI {- dot -} NL
Date: 2010-02-15

Next message:
Subject: publBio
From: Klaus Piontek klaus {- dot -} piontek {- at -} OCBC {- dot -} UNI-FREIBURG {- dot -} DE
Date: 2010-02-15