Sorry I didn't mention the operating system. It's WinXPpro. The
computers are a Xeon 2.8GHz (1GB RAM, Nvidia Quadro4 900XGL) and a P4
1.4GHz (768MB RAM, Nvidia GeForce2 GTS). Both run pymol 0.89.

Now there is a twist to the story. We also run linux (redhat with 2.4.18
kernel) on a 2 CPU 930MHz (1GB RAM, Nvidia GeForce2 GTS) PIII. Working
speed is much slower but no crashes when ray-tracing from the exact same
pml script.

The linux computer runs pymol 0.88. When I was using pymol 0.88 on
either of the WinBoxes they were crashing just like now with pymol 0.89.

Can it be that linux makes better use of its physical memory or that the
2GB of swap make the difference?

Andreas


On Wed, 2003-06-25 at 09:40, Nat Echols wrote:
> > Is there a limitation to the number of atoms or subunits pymol can handle?
> > I reset max_triangles from 10^6 to 10^7. Didn't change a thing.
> 
> Exactly how much memory does your computer have?  And what OS are you
> running?  I've definitely crashed PyMOL before on a Linux system when I
> tried to do things with huge structures like bacterial chaperonin.  It's
> not that hard to run out of physical memory, or even to hit the
> addressible memory limit.
> 
> ----------------------------------------------------------------------------
> Nathaniel Echols                                                  Programmer
> n...@bioinfo.mbb.yale.edu                                        Gerstein Lab
> 203-589-6765                                                 Yale University
> ----------------------------------------------------------------------------

-- 
                    Andreas Förster
Dept of Biochem, Univ of Utah, 20N 1900E, #2460 Eccles Bldg.
Salt Lake City, UT 84132, phone: 001.801.585.3919
home: 1736 Kensington, SLC, UT 84108, 001.801.463.3607
        http://www.biochem.utah.edu/~andreas


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