Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Remove reliance on MPI_Comm_rank #56

Merged
merged 2 commits into from
Jun 20, 2022
Merged

Remove reliance on MPI_Comm_rank #56

merged 2 commits into from
Jun 20, 2022

Conversation

jrmadsen
Copy link
Collaborator

@jrmadsen jrmadsen commented Jun 20, 2022 •
edited
Loading

  • read /proc/<PID>/tasks/<PID>/children of parent process to deduce the rank
  • Old format relied on user calling MPI_Comm_rank(MPI_COMM_WORLD, ...)
  • if MPI_Comm_rank called with subcommunicators only, multiple ranks would write to same file

@jrmadsen
Remove reliance on MPI_Comm_rank
b82ed62 
- read /proc/<PID>/tasks/<PID>/children of parent process to deduce the rank
- Old format relied on user calling MPI_Comm_rank(MPI_COMM_WORLD, ...)
- if MPI_Comm_rank called with subcommunicators only, multiple ranks would write to same file
@jrmadsen jrmadsen added the libomnitrace Involves omnitrace library label Jun 20, 2022
@jrmadsen jrmadsen merged commit 8eff363 into ROCm:main Jun 20, 2022
@jrmadsen jrmadsen deleted the improve-mpi-rank-resolution branch June 20, 2022 05:50
@jrmadsen jrmadsen mentioned this pull request Jun 21, 2022
Merged
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Reviewers
No reviews
Assignees
No one assigned
Labels
libomnitrace Involves omnitrace library
Projects
None yet
Milestone
No milestone
Development

Successfully merging this pull request may close these issues.
1 participant
@jrmadsen