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self-checkpoint's Issues

Issues on reproducing your artifact

Hello,

I will list here a brief review of this artifact, so you could fix it in the future.

A cluster of 8 nodes x (2 CPUs Intel Xeon L5420, 4 cores/CPU, 16GB RAM, 298GB HDD) is deployed

  • IntelMPI (4.1.1.036) and MKL is used as described in the tutorial file.

  • HPL is successfully built as well as SKT.

  • HPL is well run using these 8 nodes, you can see the attached file (running hpl.gpg)
    The job size is modified as explained in the artifact (regarding the aggregated memory,
    here we have 128 GB of mem.).

  • The modified version of HPL benchmark (SKT) does not run on our cluster due to several reseans:

1 - It is not sufficiently explained how to run this modified benchmark (command does not exist), (this also concerns the parent banchmark but I found how to run HPL on the internet)

2- There is a dependency mismatch inside the added scripts and nothing is said about that in the tutorial and the paper.

So, the error is about:
./hpl-daemon.sh: line 41: srun: command not found

Hope yopu fix your artifact and its description ASAP, so it can be reproducible.

running hpl

checkpoint restore on fresh node

Hi guys,

Thanks a lot for sharing this great idea along with the code.

I am pretty new I this area, got one question: After one node failed (for example power off), we have a fresh node as a replacement, other nodes all quickly resume their states from ckpt stored in SHM, but how the fresh node get its ckpt? Is there any implications for example the ckpt on different are same so the fresh node can get it from any of other nodes?

Apologies if this is a really naive question. I did not get the accurate answer but maybe I missed something.

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