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@@ -1,3 +1,83 @@
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-------------------------------------------------------------------
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Mon Aug 12 10:30:53 UTC 2024 - Nicolas Morey <nicolas.morey@suse.com>
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- Update to 4.2.2
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- Update embedded libfabric to v1.20.1 and fix compilation with GCC 14.
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- Fix dataloop support for MPIX_Type_iov routines
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- Fix crash in Hydra when system has many local ip addresses
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- Fix RMA fallback check in ch4:ofi netmod
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- Fix MPI_UNDEFINED handling in mpi_f08 module
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- Fix Slurm environment variable inheritance in Hydra
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- Fix multiple issues with large count support in ROMIO
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- Fix potential hang in init using PMIx client and nonstandard keys
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- Fix crash if PMIx client cannot get appnum from server during init
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- Fix other build errors and warnings
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- Disable flat_namespace to build libmpifort on macOS by default
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- Prefix warning messages with "MPICH"
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- Add --disable-doc configure option
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- Fix support for building MPICH Fortran support with Xcode 15 on macOS
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- Fix bug in MPI_WIN_SHARED_QUERY when window is not shared
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- Fix bug in ch4/ofi gpu pipelining
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- Fixes for Intel GPU support
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- Fix memory leak in ch4/shm collectives
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- Fix bug in MPI_COMM_SPLIT with intercommunicators and non-zero root
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- Fix bug in DAOS ROMIO driver
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- Fix bug in cycling error code array
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- Return an error if there is failure to create a datatype in mpi_f08
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module for noncontiguous user data
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- Return an error when shared memory segment creation fails
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- Complete support MPI 4.1 specification
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- Experimental thread communicator feature (e.g. MPIX_Threadcomm_init).
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See paper "Frustrated With MPI+Threads? Try MPIxThreads!",
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https://doi.org/10.1145/3615318.3615320.
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- Experimental datatype functions MPIX_Type_iov_len and MPIX_Type_Iov
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- Experimental op MPIX_EQUAL for MPI_Reduce and MPI_Allreduce (intra
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communicator only)
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- Use --with-{pmi,pmi2,pmix]=[path] to configure external PMI library.
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Convenience options for Slurm and cray deprecated. Use --with-pmi=oldcray
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for older Cray environment.
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- Error checking default changed to runtime (used to be all).
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- Use the error handler bound to MPI_COMM_SELF as the default error handler.
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- Use ierror instead of ierr in "use mpi" Fortran interface. This affects
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user code if they call with explicit keyword, e.g. call MPI_Init(ierr=arg).
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"ierror" is the correct name specified in the MPI specification. We only
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added subroutine interface in "mpi.mod" since 4.1.
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- Handle conversion functions, such as MPI_Comm_c2f, MPI_Comm_f2c, etc., are
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no longer macros. MPI-4.1 require these to be actual functions.
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- Yaksa updated to auto detect the GPU architecture and only build for
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the detected arch. This applies to CUDA and HIP support.
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- MPI_Win_shared_query can be used on windows created by MPI_Win_create,
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MPI_Win_allocate, in addition to windows created by MPI_Win_allocate_shared.
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MPI_Win_allocate will create shared memory whenever feasible, including between
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spawned processes on the same node.
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- Fortran mpi.mod support Type(c_ptr) buffer output for MPI_Alloc_mem,
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MPI_Win_allocate, and MPI_Win_allocate_shared.
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- New functions added in MPI-4.1: MPI_Remove_error_string, MPI_Remove_error_code,
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and MPI_Remove_error_class
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- New functions added in MPI-4.1: MPI_Request_get_status_all,
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MPI_Request_get_status_any, and MPI_Request_get_status_some.
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- New function added in MPI-4.1: MPI_Type_get_value_index.
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- New functions added in MPI-4.1: MPI_Comm_attach_buffer, MPI_Session_attach_buffer,
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MPI_Comm_detach_buffer, MPI_Session_detach_buffer,
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MPI_Buffer_flush, MPI_Comm_flush_buffer, MPI_Session_flush_buffer,
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MPI_Buffer_iflush, MPI_Comm_iflush_buffer, and MPI_Session_iflush_buffer.
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Also added constant MPI_BUFFER_AUTOMATIC to allow automatic buffers.
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- Support for "mpi_memory_alloc_kinds" info key. Memory allocation kind
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requests can be made via argument to mpiexec, or as info during
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session creation. Kinds supported are "mpi" (with standard defined
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restrictors) and "system". Queries for supported kinds can be made on
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MPI objects such as sessions, comms, windows, or files. MPI 4.1 states
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that supported kinds can also be found in MPI_INFO_ENV, but it was
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decided at the October 2023 meeting that this was a mistake and will
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be removed in an erratum.
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- Fix potential crash in GPU memory hooks
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-------------------------------------------------------------------
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Tue Jun 25 13:15:12 UTC 2024 - Nicolas Morey <nicolas.morey@suse.com>
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- Remove unneeded sysfsutil dependency
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- Do no build hpc flavours on 32b systems
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-------------------------------------------------------------------
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Wed May 22 11:59:42 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
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