[gmx-users] Dynamic Load Balancing Crash
mark.j.abraham at gmail.com
Thu Nov 9 03:36:33 CET 2017
That's definitely a bug and we would like to fix it. Can you please open an
issue at https://redmine.gromacs.org and provide enough information to
reproduce the issue (e.g. tpr files, preferably for a small part of your
On Sun, Nov 5, 2017 at 8:14 AM Daniel Kozuch <dan.kozuch at gmail.com> wrote:
> I recently started experiencing a error with GROMACS 2016.3 during a
> replica exchange simulation with 80 replicas, 480 cpus, and 40 GPUs:
> Assertion failed:
> Condition: comm->cycl_n[ddCyclStep] > 0
> When we turned on DLB, we should have measured cycles
> The simulation then crashes. I turned off DLB with the flag "-dlb no" and
> the error did not resurface so I have to assume it really is the DLB
> causing the issue.
> Does anyone know what might be causing this?
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