On 7/31/25 03:53, Jalil Khan wrote:
*Without using restart*
1. The programme runs fine with both single core and multi core.
*When I enable the restart*
1. The programme *runs fine* with *single core*. Pickts ecactly where
checkpointing is done and write correct output.
2. Stalls infinitely when multiple cores are used, It picks exactly where
checkpointing is done, but does not write the next expected output.
Jalil,
there's not much we can tell you. We don't know what your program does, nor
how the checkpoint was written. All we know is that your program does not work
as you expect.
I think you need to figure out more where exactly the program hangs and why.
This is probably best done using a debugger, or by adding print statements to
figure out in which line of the program things hang. Separately, I'm not clear
what single core/multiple cores actually means -- are you using MPI? Or in
which specific way do you select how many cores are running?
Best
W.
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