Hui Zhou comments

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                                            Hui Zhou

Update generic.json to Modify the bcast algorithm selection

test:mpich/authorship test:mpich/warnings

Update generic.json to Modify the bcast algorithm selection

test:mpich/authorship

mpi_t: Callback in events

This is due to lack of progress before posting the `MPI_Irecv`. The progress is polled after posting `MPI_Irecv`, at which time the arrived message matches a posted queue, thus no...

coll: add coll_attr and comm subgroups

test:mpich/ch3/most test:mpich/ch4/most

Errors when `make`

Did you configure on a login node and make on a compute node? This is type of error usually is due to configure detected environment changed from the actual make...

Errors when `make`

I see. Could you try to configure and make it on a compute node instead? Sometimes the login node has the header files but not the actual libraries or library...

See if you have an existing libfabric installed. If there is, you can configure MPICH to use the external libfabric by adding configure option `--with-libfabric=[path-to-libfabric]`. Alternatively, you can try build...

hydra: add tree-launch ability

test:mpich/pmi

mpich=4.1.1 is slower than mpich=4.0.1

Also, please share the measurement results. If you have a reproducer in Python with Modin and unidist, please share them as well.

mpich=4.1.1 is slower than mpich=4.0.1

@YarShev Is the test multi-threaded (i.e. using MPI_THREAD_MULTIPLE)?