RE: long simulation and error "integer value too large"

From: Vermaas, Joshua (
Date: Sat Apr 21 2018 - 08:45:51 CDT

Run 10 simulations that are only a billion steps each. You are running into the limitations of 32 bit integers, which can't represent numbers larger than 2^32 (around 2 billion). Just as a warning, at around a ms per step, this will take you 115 days.

On 2018-04-20 22:31:30-06:00 wrote:

Hi all
        I am trying to do a really long simulation on NAMD but its showing following error.
how can I fix this problem?
FATAL ERROR: integer value too large to represent as non-long integer
    while executing
"run 10000000000 "

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