[Chimera-users] chimera performance

Bala subramanian bala.biophysics at gmail.com
Thu May 7 03:08:34 PDT 2009


Dear Greg,
You are right. Previously it was normal but now it is slow. I havent updated
the kernel. I checked and noticed that i dnt have any memory intensive
background jobs also.

I did benchmarks with two chimera versions 1.3 (attached file chim_test) and
chimera 1.4 (attached chim_test1).
My graphics card is nVIDIA GETFORCE 9300MG, VRAM: 256 MB. I dnt know how to
compare and judge what is going wrong. I wud appreciate your help on the
same.

Thanks,
Bala

So it was formerly fast on the same computer?  This could happen on a Linux
> computer if you updated the kernel and forgot to reinstall the graphics
> driver (from ATI or NVidia, the open source 3D drivers still need work, but
> are improving).  Another possibility, on all operatings sytems, is that
> there is a background process that is using a lot of CPU or memory, so
> chimera doesn't have the resources it used to.
>
> If you just want to check the graphics performance, then you can use the
> Benchmark tool in Tool / Utilities to guage the current performance.  And
> then you can compare to the reported scores to see if your graphics
> performance is reasonable (the Show button in the Benchmark tool brings up
> the web page).
>
>        - Greg
>
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