From: Axel Kohlmeyer (
Date: Mon Mar 30 2020 - 12:12:32 CDT

The VMD windows binary is 32bit and thus memory is limited. To use more RAM
you would need to run on a different OS for which a 64bit binary is

Dr. Axel Kohlmeyer
College of Science & Technology, Temple University, Philadelphia PA, USA
International Centre for Theoretical Physics, Trieste, Italy
On Mon, Mar 30, 2020, 12:39 Chris Broomell <> wrote:
> Hi,
> I am comparing structures of larger VLPs and have been running into issues
> when analyzing large files.  Typical errors include "failed to increase
> display list memory pool size, system out of memory."  I'm working with
> surface maps (both the shipped flavor as well as MSMS)...mostly cryo and
> Xray structures of larger VLPs.
> Is it possible to change the amount of memory that is allocated for VMD
> processes?
> If not - are there any recommendations for how to optimize my system to
> mitigate this?
> My system is:
> Win10
> 16GB RAM
> NVIDIA RTX 2070 super (6GB DDR6)
> Thanks in advance for any help that you could offer.
> Chris