fixes problem with MPI_Comm_Split in openmpi when hash is negative #25
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Regression testing (via rt.sh) of ufs-weather-model develop branch successfully passed on Hera. I will also follow up with regression testing of ufs-weather-model public release branch. |
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Regression testing of ufs-weather-model ufs_public_release branch successfully passed on Hera. |
MinsukJi-NOAA
approved these changes
Feb 6, 2020
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Yes, I agree. Do you want me to change that and re-submit the pull request?
M
On 2/6/20 10:11 AM, MinsukJi-NOAA wrote:
***@***.**** approved this pull request.
Seems the two lines are redundant since hash is assigned a value
filtered by abs(). What do you think?
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Mark A. Potts, Ph.D.
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RedLine Performance Solutions, LLC
Phone 202-744-9469
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Okay. I think if you push the change to openmpi-fix branch, the PR will automatically update. |
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Done.
On 2/6/20 10:50 AM, MinsukJi-NOAA wrote:
Okay. I think if you push the change to openmpi-fix branch, the PR
will automatically update.
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Mark A. Potts, Ph.D.
Sr. HPC Software Developer
RedLine Performance Solutions, LLC
Phone 202-744-9469
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mpotts@redlineperf.com
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Mark/Minsuk, Would you please create a pull request in ufs-weather-model so that this change can be tested and we can update the ufs-weather-model release branch? |
MinsukJi-NOAA
approved these changes
Feb 6, 2020
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Mark, |
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No problem.
Thanks,
-M
On 2/14/20 9:55 AM, MinsukJi-NOAA wrote:
Mark,
I am going to delete the openmpi-fix branch since it's been
successfully merged. Let me know if you have objections.
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RedLine Performance Solutions, LLC
Phone 202-744-9469
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mpotts@redlineperf.com
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This was referenced Feb 28, 2020
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This fixes a problem when using openmpi. When the MPI_Comm_Split hash is negative, openmpi fails. This adds an abs() call to the hash that is created for the split.