Open MPI logo

Open MPI: v4.1.x nightly snapshot tarballs

  |   Home   |   Support   |   FAQ   |  

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-202512050355-142c0f6

Release File names Size Date Checksums (GNU md5sum and sha1sum v5.2.1)
Dec 05, 2025 Nightly Tarball openmpi-v4.1.x-202512050355-142c0f6.tar.bz2 9.99 MiB Dec 05, 2025 MD5: 00fedfa37fd48f2e71a582f169d2a941
SHA1: af296c8220a3cacd4469a84c726470c2a7f5fb42
SHA256: 8c1be57054c671c4e4d173cb6e17a3c8b09f3c8e3dcdac27d04888e49dacd7c4
openmpi-v4.1.x-202512050355-142c0f6.tar.gz 17.7 MiB Dec 05, 2025 MD5: 2c37bac314f7e2ed6cd14137af93ec6e
SHA1: 6c5eb57d6d3fcfac235ad5a42a6c9df94ae1a1cf
SHA256: 3259c85d0ba82ec87ca7281d8bfd87374a3dc7b05a36a47933af7c7eec7bf26b
Oct 16, 2025 Nightly Tarball openmpi-v4.1.x-202510160428-0e6449f.tar.bz2 9.99 MiB Oct 16, 2025 MD5: dadbbd6abd06ff519201ab55bf2c5959
SHA1: 6abaa7c2c56111a22984b33961e0af5c8adeef55
SHA256: f7ae635ade4c414527679ae5a23c284b03d2c053f0350510be6b344a864af03a
openmpi-v4.1.x-202510160428-0e6449f.tar.gz 17.7 MiB Oct 16, 2025 MD5: 979f53933f39bc1ea5c44a61c1897afd
SHA1: 661cf1d29bc9b7cab3f2e6155194278f64a53702
SHA256: e6d391c73c306dd754498c4990b3f9d8cfbb7144ba2b547144c14e6c679cf2cd
Sep 30, 2025 Nightly Tarball openmpi-v4.1.x-202509300311-67de921.tar.bz2 9.99 MiB Sep 30, 2025 MD5: 63e504446cb6d857555214980d15081e
SHA1: 0c3b0e388623f2bd41d680effb46f3536ac376c0
SHA256: ddc9353ad060d83e28986c9fd12040d2846d98310a6d0ded3c501084902e95af
openmpi-v4.1.x-202509300311-67de921.tar.gz 17.7 MiB Sep 30, 2025 MD5: 0dd3b54da22ac8cbad16273e467c4b19
SHA1: c22bce8f142a631292071bd5a77c83810f197d9b
SHA256: ea8638010234a83638a18f056cc391782844206122bd38a0c4d1056a6829faa1
Sep 26, 2025 Nightly Tarball openmpi-v4.1.x-202509260355-ed90ff5.tar.bz2 9.98 MiB Sep 26, 2025 MD5: 4a1bbb3643c1f4eb95e0eecdc0d35c9f
SHA1: 2c27d2d52c9ff3b9edb2185767f606638e3e3704
SHA256: 03429a6f76c8c74320e2c28888a4bb2d1c880867ad05afff72cb0bac5b729b13
openmpi-v4.1.x-202509260355-ed90ff5.tar.gz 17.7 MiB Sep 26, 2025 MD5: 18ddedff757ad17f656401114464e2bb
SHA1: 0b220985e70e50cd32f1f35b6c6ecbe60f766813
SHA256: 6d2f80271269cf2ffbb7474dbaaeb2117c4579e7cfcdda39dffc868ca79e87eb
May 20, 2025 Nightly Tarball openmpi-v4.1.x-202505200337-37e1204.tar.bz2 9.99 MiB May 20, 2025 MD5: d982abd18ac138f9d4fd5dc1b9d754d6
SHA1: 232f339a267959652dbbc08e2fce8d0fc2dab6ea
SHA256: 24f1b5d21ed979682f08743f64e39f5c011717395251d84d48bfdb4f722b749a
openmpi-v4.1.x-202505200337-37e1204.tar.gz 17.7 MiB May 20, 2025 MD5: 34f56cb20e1cd7d2942798003ec1dac5
SHA1: 7e909128fea0cc33e6705a6ae3b5c3250de57f16
SHA256: 7804e2b98b4e4af947a344432e35e07c3f4830f77fd4794c19e1383ba61b8560
May 06, 2025 Nightly Tarball openmpi-v4.1.x-202505060406-e6d2cb8.tar.bz2 9.98 MiB May 06, 2025 MD5: 73da8281055975e5c4f8bbfab12b4bf5
SHA1: 59cae7c906846ffdb72b13abf71813e2e415bbd9
SHA256: 59d079abdc21ffb185c0874439e7ecc6051e9db057c34deec8b81a6f5a9c065f
openmpi-v4.1.x-202505060406-e6d2cb8.tar.gz 17.7 MiB May 06, 2025 MD5: 831e56a7ba1a90af5089c7d46624cd3d
SHA1: 195d42db6d18277dbade72ed8053774dc5bb184c
SHA256: 4b85ad837b45b339177f653a27838abdd6d7ef1b9104768ac9a5683fdcf442c6
Apr 30, 2025 Nightly Tarball openmpi-v4.1.x-202504300354-bc03222.tar.bz2 9.98 MiB Apr 30, 2025 MD5: 27bdf2f43bf3ae47f1206bd9671228c6
SHA1: d931cab3d8dcab3e155ed01c9256b4d1621bae71
SHA256: fb6c36bcacd028712553d63a8e85a0d0ee7aa4daa25857f3096c723fc44c76df
openmpi-v4.1.x-202504300354-bc03222.tar.gz 17.7 MiB Apr 30, 2025 MD5: a239c21eec2dd8599ebc29ad25303a84
SHA1: 6e3298a8f7f077e1a772558e51fca102407e1f22
SHA256: da2ce1de7487d35f05e2759b8c69172aefc7dad092562c9089b9febb6ea37141