v0.20.2

MPI v0.20.2

Diff since v0.20.1

Merged pull requests:

• Update buildkite to use latest Julia version (#647) (@simonbyrne)
• [MPIPreferences] add functions to check (and error) if the MPI implementation has changed (#670) (@simonbyrne)
• Add note on breaking changes in v0.20 (#671) (@sloede)
• AMDGPU does not work on Julia 1.8, so test on nightly (#672) (@simonbyrne)

v0.20.1

MPI v0.20.1

Diff since v0.20.0

Merged pull requests:

• Skip flaky test on Windows (#665) (@giordano)
• [gh-pages] Delete previews of closed pull requests (#666) (@giordano)
• switch MPICH and MSMPI consts to signed ints (#668) (@simonbyrne)
• Bump version to 0.20.1 (#669) (@simonbyrne)

v0.20.0

MPI v0.20.0

Diff since v0.19.2

Closed issues:

• CI failing for OpenMPI+MacOS on Travis (#262)
• Travis CI: MPI installation failure on Linux (#290)
• Would be nice to fix the warnings in the tests (#387)
• Switch GPU CI to buildkite (#437)
• Remove dlopen in __init__ (#447)
• STATUS_EMPTY doesn't work (#501)
• New MPI implementation: MPItrampoline (#502)
• Bool handling (#506)
• Silent crashes with system OpenMPI (#519)
• Warning message on screen from all MPI tasks when using a Julia system image (#523)
• Using MPI with native threads causes large slowdown (#525)
• MPI.Cart_create does not accept Bool arguments for periodic. (#533)
• Switch to Preferences.jl, remove Pkg.build step (#535)
• Unknown MPI ABI when using Fujitsu MPI on Fugaku, and segmentation faults when running the tests with this implementation (#539)
• Reorganise interface of MPI.mpiexec (#543)
• MPIPreferences segfaults (#560)
• MPI test do not select the correct (system) MPI implementation (#561)
• InitError: could not load library with current master on macOS/M1 (#567)
• MPI_Comm_split_type type argument (#579)
• Switching system binaries fails due to undefined symbols (#581)
• Trouble using MPI on Julia v1.7 and on a MacBook Pro M1 (#583)
• Add link to docs to GitHub's "About" section (#585)
• libmpi already loaded before call to MPI.jl's __init__ function (#587)
• Should MPIPreferences.libmpi be the absolute path of the library? (#593)
• Add transition guide for sysadmins to docs before v0.20 is tagged (#599)
• Handle PROC_NULL in a consistent way (#611)
• Null pointer returned when deriving custom datatypes on OpenMPI (#612)
• cray-mpich toolchain not recognized by MPIPreferences (#613)
• UCX error (#617)
• MPI.Init on ACHER2 either segfaults or hangs most of the time on multi-node jobs (#623)
• Wrap MPI_Get_processor_name (#624)
• Add warning if JULIA_MPI_BINARY is set, and differs from MPIPreferences.binary (#640)
• versioning MPIPreferences metadata (#642)
• MPIPreferences persists through pre-compilation cache. (#646)
• Add automatic docstrings to functions in API module (#651)
• Switching to default JLL-provided binary (#661)

Merged pull requests:

• Support MPItrampoline as MPI provider (#513) (@eschnett)
• Add bool datatype handling (#522) (@simonbyrne)
• fix MPICH version string capture (#526) (@simonbyrne)
• fix typo in initialization error message (#527) (@musoke)
• Run CI only when relevant directories are modified (#530) (@giordano)
• clean up Cartesian topology functions (#536) (@simonbyrne)
• Add CUDA-aware MPI hints to known issues documentation. (#537) (@luraess)
• Set EditURL for generated examples. (#538) (@fredrikekre)
• Silence warning about deprecated function when running tests (#540) (@giordano)
• Add MPIPreferences subpackage to select binary (#541) (@simonbyrne)
• Do not hard fail in test_errorhandler.jl with unknown implementations (#542) (@giordano)
• Make mpiexecjl more visible (#544) (@vchuravy)
• Fix two minor typos in configuration docs (#546) (@glwagner)
• Rename ABI from MPIwrapper to MPItrampoline (#549) (@vchuravy)
• add tag_ub function (#551) (@simonbyrne)
• Add buildkite CI (#552) (@vchuravy)
• Add RMA examples to docs (#553) (@carstenbauer)
• CompatHelper: add new compat entry for "MPIPreferences" at version "0.1" (#554) (@github-actions[bot])
• Add adjust_PATH and adjust_LIBPATH to System mpiexec (#556) (@simonbyrne)
• Enable GPU CI (#557) (@vchuravy)
• Add docs for MPIPreferences (#558) (@vchuravy)
• Don't launch arbitrary number of processes (#559) (@vchuravy)
• openmpi needs to be opened with RTLD_GLOBAL (#565) (@vchuravy)
• Rewrite configuration docs for MPIPreferences (#566) (@vchuravy)
• [docs] Mention more supported implementations and remove references to Pkg.build (#568) (@giordano)
• [docs] Fix broken links and remove references to non-existing docstrings (#569) (@giordano)
• [MPIPreferences] Always set ZES_ENABLE_SYSMAN=1 when dlopening libmpi (#571) (@giordano)
• Add ROCm support (AMDGPU) (#572) (@luraess)
• Remove unused files (#573) (@vchuravy)
• build UCX as well on CI (#577) (@vchuravy)
• Improve CI by caching depot and using ccache (#578) (@vchuravy)
• Add ABI support for HPE's MPT and HMPT implementations (#580) (@sloede)
• add SplitType (#584) (@simonbyrne)
• Cleanup .gitignore (#586) (@giordano)
• Update link to mpi4py project (#589) (@giordano)
• Call constant init via invokelatest (#592) (@simonbyrne)
• revamp MPIPreferences docs (#594) (@simonbyrne)
• Base MPI.identify_implementation on helper function in MPIPreferences (#595) (@giordano)
• Use MPIWrapper 2.8.1 in CI (#596) (@giordano)
• MPI Distributed Graph API (#597) (@termi-official)
• Support MPI_WEIGHTS_EMPTY for MPItrampoline (#598) (@eschnett)
• CompatHelper: bump compat for "DocStringExtensions" to "0.9" (#601) (@github-actions[bot])
• add version errors (#602) (@simonbyrne)
• MPIPreferences: warn showing wrong value (#604) (@simonbyrne)
• add link to docs (#605) (@simonbyrne)
• Use corresponding aliases for C types in OpenMPI ABI file (#606) (@sloede)
• buildkite: get CUDA working again (#607) (@simonbyrne)
• bump MPIPreferences (#608) (@simonbyrne)
• Update README badge link (#609) (@simonbyrne)
• [MPIPreferences] Add libmpi_cray to default names and improve error message (#614) (@giordano)
• fix typos in docs (#618) (@ranocha)
• docs: add note on how to write MPI tests (#620) (@t-bltg)
• Add Invalidations.yml [ci skip] [skip tests] (#622) (@ranocha)
• Fix indentation of Comm_remote_group docstring (#625) (@giordano)
• Fix AMDGPU synchronize in tests & update doc (#628) (@luraess)
• Add TOML to test dependencies (#629) (@giordano)
• Wrap MPI_Get_processor_name function (#630) (@giordano)
• Release v0.1.4 of MPIPreferences (#631) (@giordano)
• Remove outdated references to {send,recv}{type,count} in Sendrecv! docstring (#633) (@giordano)
• Move Get_processor_name to new Misc section, and fix test (#634) (@giordano)
• add create_hvector (support MPI_Type_create_hvector) (#635) (@t-bltg)
• no need for mutable struct with container fields (#636) (@t-bltg)
• add warning if JULIA_MPI_BINARY is inconsistent with MPIPreferences (#641) (@simonbyrne)
• Generate MPI API bindings using Clang.jl (#644) (@t-bltg)
• add _format key to MPIPreferences (#648) (@simonbyrne)
• combine Consts and API modules (#650) (@simonbyrne)
• add auto-generated doc links (#652) (@t-bltg)
• [CI] Cancel old jobs if there are new commits on same branch (#653) (@giordano)
• [docs] Elaborate on the difference between high- and low-level API (#654) (@giordano)
• add PROC_NULL, ANY_SOURCE, ANY_TAG as globals (#655) (@simonbyrne)
• Improve low-level API documentation (#656) (@t-bltg)
• [docs] Minor fixes to configuration instructions (#657) (@giordano)
• bump versions (#658) (@simonbyrne)
• [CI] Limit running invalidations to PRs which touch source code (#659) (@giordano)
• Better detection of Intel oneAPI MPI version number (#660) (@giordano)
• Transition guide from v0.19 and earlier to v0.20+ (#662) (@sloede)
• add some docs and tests for RequestSet (#663) (@simonbyrne)
• check if MPI tests select correct implementation (#664) (@simonbyrne)

v0.19.2

MPI v0.19.2

Diff since v0.19.1

Closed issues:

• Support the MPI Group interface (#277)
• Default and/or keyword args (#423)
• Don't redefine MPI_UNDEFINED to 0 (#499)
• Deadlock with MPI.jl + OpenMPI on a cluster (#517)
• MPI.jl + PackageCompiler (#518)

Merged pull requests:

• Add methods for keyword integer arguments (#510) (@simonbyrne)
• add citation (#516) (@simonbyrne)
• Various fixes to documentation (#520) (@giordano)
• Add group functions (v2.0) (#521) (@carlocastoldi)

v0.19.1

MPI v0.19.1

Diff since v0.19.0

Closed issues:

• Is that possible to send/receive a number instead of array? (#308)
• MPI_Gather (#348)
• gethostbyname error on macos 10.15 (github actions vm) (#407)
• Homebrew MPICH giving incorrect result on MPI.File.get_position_shared (#413)
• mpirun instead of mpiexecjl works fine as well (#448)
• Use with Extrae (#454)
• Using Arrow.Table with MPI.jl (#461)
• Accessing underlying MPI_Comm from CxxWrap (#487)
• building MPI.jl fails (#488)
• Error installing against system MPI (#489)
• show on an MPI Datatype can fail if MPI is not initialized. (#490)
• Install MPI.jl on HPC (#505)

Merged pull requests:

• simplify test/wait (#479) (@simonbyrne)
• Make show on Datatype functional before MPI has been initialized (#491) (@simonbyrne)
• Add comment to top of auto-generated deps.jl file (#493) (@eschnett)
• fix Scatterv! function signature in docstring (#494) (@carstenbauer)
• Fix typo in create_resized (#495) (@carstenbauer)
• update one sided API (#496) (@simonbyrne)
• fix runtests (#507) (@simonbyrne)
• fix SentinelPtr conversion error (#509) (@simonbyrne)
• Fix job schedule example in documentation (#511) (@giordano)
• Added interface to MPI Ibarrier collective (#512) (@mikegros)

v0.19.0

MPI v0.19.0

Diff since v0.18.2

Closed issues:

• More user-friendly MPI.Init (#484)

Merged pull requests:

• Remove MacOS workarounds (#477) (@simonbyrne)
• add nice init function (#485) (@simonbyrne)

v0.18.2

MPI v0.18.2

Diff since v0.18.1

Closed issues:

• mpiexecjl test fails when it can't find julia on the path (#476)
• Error in Irecv! due to missing strides method (#478)

Merged pull requests:

• Remove Pkg from test environment (#480) (@giordano)
• [mpiexecjl] Accept JULIA_BINDIR as environment variable (#481) (@giordano)
• use unsafe_convert instead of cconvert to ensure handles aren't GCed during ccall (#482) (@simonbyrne)

v0.18.1

MPI v0.18.1

Diff since v0.18.0

Merged pull requests:

• Run CI on aarch64 with Drone (#472) (@giordano)
• Throw an error when using custom reductions on non-Intel platforms (#473) (@giordano)
• Add a bunch of barriers to io_shared tests (#474) (@simonbyrne)
• Update TagBot setup and reduce frequency of CompatHelper to once per day (#475) (@giordano)

v0.18.0

MPI v0.18.0

Diff since v0.17.2

Closed issues:

• Count arguments of Scatterv etc. should be Int, not Cint (#153)
• MPI.Gatherv! should only require counts for root (#362)
• MPI.Datatype() creates new instance on every MPI.Put() (#462)
• An example that uses Scatterv (#468)
• An example on how to Scatterv! and Gatherv! a two-dimensional array? (#469)

Merged pull requests:

• add basic error handler functionality (#457) (@simonbyrne)
• use Buffers with one-sided ops (#464) (@simonbyrne)
• Fix one-argument in-place Alltoall! (#465) (@mtsch)
• docstrings for one-sided operations (#466) (@joachimbrand)
• loosen type restrictions on one-sided buffers (#467) (@simonbyrne)
• Add Scatterv example based on #469 (#470) (@simonbyrne)
• Improve Datatype handling (#471) (@simonbyrne)

v0.17.2

MPI v0.17.2

Diff since v0.17.1

Closed issues:

• Sending and receiving custom types causes memory leaks (#459)

Merged pull requests:

• Add finalizer to create_struct (#460) (@mtsch)