VMD-L Mailing List

From: Fernando Vallejos-Burgos (nandobike_at_gmail.com)
Date: Sun Apr 29 2018 - 18:37:16 CDT

It is not a problem, it is a limitation of the 32-bit application you are running:
https://blogs.msdn.microsoft.com/tom/2008/04/10/chat-question-memory-limits-for-32-bit-and-64-bit-processes/

Even if your system is running 64-bit windows, a 32-bit application can just use up to 4 GB of *system* RAM.

> On Apr 30, 2018, at 6:45 AM, McGuire, Kelly <mcg05004_at_byui.edu> wrote:
>
> I ran a 20 ns simulation, saving every 2000 frames, so I have 10,000 frames. When I try to load the dcd, it crashes. I've some of the other responses to this problem. I am using using the VMD 1.9.3 Windows 32-bit, so I know there is a limit on memory for this version of VMD. What's interesting though is the winvmd console says I have 4095MB (100%) of free system memory and my GPU has 4.0GB. Neither one of those is true. My desktop has 32 GB of memory and my
> GTX 1080 Ti has 11 GB of memory. Is there a way to force this version of VMD to recognize all of my memory? Is this just a problem with VMD being the 32-bit version? Thanks!
>
> Kelly L. McGuire
>
> PhD Scholar
>
> Department of Physiology and Developmental Biology
>
> Brigham Young University
>
> LSB 3050
>
> Provo, UT 84602
>
>