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Open MPI: Git main nightly snapshot tarballs

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These are not stable releases of software packages!

Users looking for stable releases should look here.

Note that snapshots are only generated when there has been a commit to the corresponding branch in the Git repository. This may be less than once a day!

Tarballs are made from the Git main nightly at approximately 9pm US Indiana time.

Latest snapshot version: main-202601090241-37e0aa7

Release File names Size Date Checksums (GNU md5sum and sha1sum v5.2.1)
Jan 09, 2026 Nightly Tarball openmpi-main-202601090241-37e0aa7.tar.bz2 29.72 MiB Jan 09, 2026 MD5: cf3bc7326c2c523a92620969a27df58a
SHA1: 8f99fdbf6f9d19052a9d1ce1c756efe3c080856a
SHA256: 1efc9f5e3357b45a5bc90504e15cf11635947292f284ee586d1deace5c6cafd8
openmpi-main-202601090241-37e0aa7.tar.gz 42.75 MiB Jan 09, 2026 MD5: 08e87b8cb68079bf672af87c9a982949
SHA1: 2f28d20424aab99a69df798f42a3d2857b5a2454
SHA256: 9036a3f47ad721ba2ddb5f29b53bcc9eed6347cb5e2d9a04b4e0e8fe931a1a6e
Jan 08, 2026 Nightly Tarball openmpi-main-202601080241-41960bc.tar.bz2 29.72 MiB Jan 08, 2026 MD5: 08fca146625c06e96584ea0ef99e6e09
SHA1: 794f54f31d3130ecbfc6c3162821f2e7eda83842
SHA256: 287c6c5a31a8ae264600e399b3094c9b3e1aaa5ee508dfedfd36c426a1d8ac58
openmpi-main-202601080241-41960bc.tar.gz 42.75 MiB Jan 08, 2026 MD5: 19186f002d27c5324107c3e17403ee4b
SHA1: 6ec1598f17f366bd8993853479d7b01ae1411fd1
SHA256: 5bb3858796736ca59ff4b8ade3b796c5b8170e9faf18c24a7ad3bd556e79d560
Jan 07, 2026 Nightly Tarball openmpi-main-202601070241-af855d5.tar.bz2 29.71 MiB Jan 07, 2026 MD5: 89c4297be1572a690b1a1dd9c22652ad
SHA1: 2ae464d5926ecec47b1fdc9e0e4d5fc733386922
SHA256: 3c3d682daf68d2cf584e2a356df8e862dae7bac9dbba1e8210aece2b50ab5a0a
openmpi-main-202601070241-af855d5.tar.gz 42.77 MiB Jan 07, 2026 MD5: 8454b1e7fe0bfb49e627d2bf3f12c558
SHA1: fce8e3acbb34aef904885673e6436a2bd7db2a81
SHA256: c8cc8c3e005cf91a3fee526ca663dd442b0f69f797de7cfad70516db5737f8b7
Jan 06, 2026 Nightly Tarball openmpi-main-202601060241-4ffcba8.tar.bz2 29.71 MiB Jan 06, 2026 MD5: bd3f586fabbdd31382c6d5f814b3d8a1
SHA1: ef55aa86e34c4986fb3d246ce498975635f151da
SHA256: 7fcb423e13fbe1144be8d9087cb37ecd6e53c88672ccf3d521bd111863de8ef8
openmpi-main-202601060241-4ffcba8.tar.gz 42.74 MiB Jan 06, 2026 MD5: 2cb0ab232df7a065c5439159743c7c4c
SHA1: 4db36f9b012e8201562c015b142358577969dd8b
SHA256: 987b602de1d86c8a85ffd9e053013d026d388b371a15fcfdf8b7db8e87799cc4
Jan 01, 2026 Nightly Tarball openmpi-main-202601010241-52d8b48.tar.bz2 29.73 MiB Jan 01, 2026 MD5: eaac35975a4faa1c0c1c9b894fad2a0e
SHA1: df3d736bf613ef692d52f46c001b608d87a4f509
SHA256: 3486bea0edede29f1acd71ef0b4c02a2158869e762dc6e02ab9b990c7774fd43
openmpi-main-202601010241-52d8b48.tar.gz 42.71 MiB Jan 01, 2026 MD5: b558435faa0d8d29fc76928eec3be709
SHA1: 2f11b85bd494eceb35aa780304449d0434b3bf15
SHA256: 266fa786e669ede21a3adb78ceb1b218447eff767ca46aad9a5458d93ee9ce99
Dec 31, 2025 Nightly Tarball openmpi-main-202512310241-05e66a6.tar.bz2 29.72 MiB Dec 31, 2025 MD5: c301e0cb422366d8b590a793453722fd
SHA1: 9dc04d380f873f3a23187f213f0e6a5cd926b790
SHA256: 9461ad9bb6f54fb361158a36bc216d9d0ce0b651f570207ae7cce5e32eceff20
openmpi-main-202512310241-05e66a6.tar.gz 42.71 MiB Dec 31, 2025 MD5: 27608a043983b9a7a8776fa63a41f754
SHA1: 121ab9214f37199145bd80b14b296fd48b679688
SHA256: 9dbcb1a0a745a08fec7e447ab40822cd85d237267a62d019f4de41bb1cbda0ab
Dec 28, 2025 Nightly Tarball openmpi-main-202512280241-6ba7207.tar.bz2 29.72 MiB Dec 28, 2025 MD5: 0c255c7ad7a91a8022d7630624024a82
SHA1: 2128fa2f3eef2299283b1ff7047e73c51b7175fd
SHA256: 453bde0365a757e309d7b8529b5202bd21d12835847db6d5aa73d86be2b21857
openmpi-main-202512280241-6ba7207.tar.gz 42.71 MiB Dec 28, 2025 MD5: 649f71576f783115fb3d57f416421997
SHA1: 8e20397c210bc8d13f8fbd00659bfdcfef5f9f68
SHA256: f89a0a71f7ca8bf332e457643c02cfa67ceb65c42724bb763d6a6ca0cae9e682