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Open MPI: v4.1.x 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 v4.1.x branch in the Git ompi repository. This may be less than once a day!

Tarballs are made from the Git v4.1.x branch nightly at approximately 9pm US Eastern time.

Latest snapshot version: v4.1.x-202609110407-a69dbc0

Release File names Size Date Checksums (GNU md5sum and sha1sum v5.2.1)
Sep 11, 2026 Nightly Tarball openmpi-v4.1.x-202609110407-a69dbc0.tar.bz2 9.99 MiB Sep 11, 2026 MD5: b76fee8748a559f6470baff2cf77e0bb
SHA1: ac316bc8b443312ee34b4bcf0d4a51cc7ec5e558
SHA256: 0a3571e03eb1655944fc254ec4e43c4bd9393ccfc0ba0bfd979e14daae8446fb
openmpi-v4.1.x-202609110407-a69dbc0.tar.gz 17.7 MiB Sep 11, 2026 MD5: 1e39b3d16c82544448b6157b83a00207
SHA1: 9ffee067bf5e86e2aa456a0cea04f16e9e541966
SHA256: 222d2d2cfcc2b22b3ff582e6ba69e9f37a0ad5f4c9388c5cb8a9ee9f72b2ee54
Aug 05, 2026 Nightly Tarball openmpi-v4.1.x-202608050455-dadb5bf.tar.bz2 9.99 MiB Aug 05, 2026 MD5: b56341a552719ac5e578dc1109a4ec3e
SHA1: fe05438d148d8740295b66c67a7935791ee4beb1
SHA256: 4649f5fa4d431aa7001df5c3c094184763267e0e1d5fcc11d06f90c309cace03
openmpi-v4.1.x-202608050455-dadb5bf.tar.gz 17.7 MiB Aug 05, 2026 MD5: ce4623391089c3c724414e4a38e41b80
SHA1: ea3b9a60a3ef1116e521ad238f2f19924fc7f2a8
SHA256: 97a1437455c91a8c29c8788b65d2622fe5d8bcc48b6811856e0b73aa145d8e76
May 22, 2026 Nightly Tarball openmpi-v4.1.x-202605220254-fc1b4c5.tar.bz2 9.99 MiB May 22, 2026 MD5: 1656c342b5028efac20c9f939fb41a14
SHA1: 337bf9cc1098d210f5f8aca8e1fdb6319c75efab
SHA256: 4b0d953da5d283070b3f21b54ecca0bc12a36eb0be678f58c729c15ad3f76744
openmpi-v4.1.x-202605220254-fc1b4c5.tar.gz 17.7 MiB May 22, 2026 MD5: 73fa8da5f76dad407703b16be9520883
SHA1: 16c781e76e8c36ea131b970c70c7e6dc86b6afd5
SHA256: 92f28f17d9f3484d2a9aa62e37a197967f45425ad744dd5b6f764fb462fb20ac
May 08, 2026 Nightly Tarball openmpi-v4.1.x-202605080322-4844e0c.tar.bz2 9.99 MiB May 08, 2026 MD5: 98214b0554973b1f1cc2aa4e468c0677
SHA1: 3f13c75ceccd8cb8c4e569b8a7981e5eac77b593
SHA256: 01650cdc7c25882c7b4e38de151bc45cdb685e5613c6f6fdc3d8437384b54126
openmpi-v4.1.x-202605080322-4844e0c.tar.gz 17.7 MiB May 08, 2026 MD5: 21b4c060993d930104095a77b06490c6
SHA1: d08e5e0c6dd420b25488bf6a10f42f8aede0093c
SHA256: 938d042e820aa4c414729bb6a3a39c955afefeab0d90c2762b86e91f1588625e
Mar 10, 2026 Nightly Tarball openmpi-v4.1.x-202603100255-b0f043e.tar.bz2 9.99 MiB Mar 10, 2026 MD5: 50c9bf78ab1680bfc81d3487500161a5
SHA1: 63e1ba62af6e8ce16f2d469b97e3b05ebbc209a8
SHA256: 6b5a6a217a2c9afc0a942dc7b0672f8c70560f71d460db719fd81cbb54c09ac8
openmpi-v4.1.x-202603100255-b0f043e.tar.gz 17.7 MiB Mar 10, 2026 MD5: 85b60a4648d975caec7cf41342a35864
SHA1: 74b5ec5cad21a073b83b86cb01e43d02465c89d7
SHA256: 8af182a5836200406c7e4831ef70820b2698d602e05adf2e524b0835cf9e4a7b
Feb 09, 2026 Nightly Tarball openmpi-v4.1.x-202602090254-e813935.tar.bz2 9.99 MiB Feb 09, 2026 MD5: 623a040476b46b716c9bc6e6eabc8175
SHA1: 794bdec65f9de20380b00ad83cf662e9271f0a14
SHA256: 066a1dbcd2cbdbe60c78e2570270f04ea3c46a9f3aca582fd6b657d92219fe7c
openmpi-v4.1.x-202602090254-e813935.tar.gz 17.7 MiB Feb 09, 2026 MD5: b0df6f41dcb917a19e9084f8a8c4f9e9
SHA1: 1486915b0929f1e8afee91cde753db32248bab60
SHA256: 993bcfb5e55f50699c7dced68140c160724c710ca2b3b7c3c028db35782e7b10
Jan 29, 2026 Nightly Tarball openmpi-v4.1.x-202601290323-9567d38.tar.bz2 9.99 MiB Jan 29, 2026 MD5: 07f9405af7bb1a9479c6956f459796b7
SHA1: 4490c9015f558381352b988a21974a339cc6a415
SHA256: cec6845f6e93bfd61f279736a2406b703e9d40d023831fde3bd99b88e0d51eda
openmpi-v4.1.x-202601290323-9567d38.tar.gz 17.7 MiB Jan 29, 2026 MD5: ef8afb79d9f871f15d57fb31908a9588
SHA1: c94de9c5d39bf2d5bfe1758385192eb7711f4416
SHA256: 16dc2c3290793a293ebedc804d26e9419b5c67142908003ffb0047117b824e44