Hui Zhou

## Pull Request Description The is a WIP PR working toward * Reuse the proxy to launch processes from spawn, rather than launch separate proxies each time * Support proxy...

hydra: import libpmi

1

## Pull Request Description This is a split from https://github.com/pmodels/mpich/pull/5860 Import libpmi to hydra to prepare for refactoring hydra with the pmi wire utilities. * Modify build to embed pmi...

hydra: refactor pmi message handling

3

## Pull Request Description Goals of this PR: * Making the code logic that deals with wire protocols and semantic protocols orthogonal * Making the protocol logic (wire or semantic)...

stream: implement stream_workq

3

## Pull Request Description Add workq based stream enqueue implementation. ## Caveat The wait kernel will block allocation and free of GPU registered host buffer, resulting in a potential deadlock...

maint/gen_coll: allow custom restrictions

3

## Pull Request Description Allow literal restriction conditions to be specified. When the restriction contains any non alphabet, comma, hyphen, or underscore, assume it is a literal condition string. Usually...

MPI Sessions has been implemented and we expect all correct programs should work as expected. However, there are a few remaining items to fully meet the semantics. * Update `ref_count`...

ch4/win: skip symm_heap for MPI_Win_allocate_shared

1

## Pull Request Description There is no need to try symmetric heap allocation if there is only one node. The symmetric heap trial can easily fail if the segment size...

ulfm: support recv on failed process

2

## Pull Request Description A key ingredient in the ULFM proposal is an `MPI_Recv` should return `MPI_ERR_PROC_FAILED` when the process it tries to receive from has failed. In ch3, this...

ch4/ofi: add MPIDI_OFI_ENABLE_DATA back

2

## Pull Request Description In PR #2985 we merged MPIDI_OFI_ENABLE_DATA and MPIDI_OFI_ENABLE_TAG, thus making support of cq_data a requirement. This unnecessarily restricts our support to some legacy providers, `gni` being...

test: convert testsuite to be function based

7

## Pull Request Description The current testsuite consists of thousands of individual mpi test programs. Running the entire testsuite involves invoking process manager to spawn mpi processes and each process...