Hi, Am 29.10.2010 um 18:27 schrieb Jeff Squyres:
> I'd have to go check 1.4.3 and 1.4.1 to be sure, but I would generally *NOT* > assume that different versions like this are compatible. I'm getting confused, as these versions are exactly fitting "x.(y+1).*" which you mention below. So they should work together by design. -- Reuti > Open MPI makes an ABI promise (that started with version 1.3.2) that all the > releases in a given feature series and its corresponding super-stable series > (i.e., x.y.* and x.(y+1).*, where y is odd) are ABI compatible. But we make > no guarantees about wire protocols being compatible, or other things like > that. > > So in general, it's "pleasantly surprising" if the different releases work > together, but I wouldn't rely on it *at all*. :-) > > > On Oct 29, 2010, at 12:12 PM, guillaume ranquet wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Hi list, >> I'm sorry to bother you with a stupid question. >> >> we intend to have for a short period of time, some nodes with 1.4.3 and >> others with 1.4.1 (before upgrading everyone to 1.4.3). >> >> I made various test and found both versions to be running together quite >> well with a mixed set of nodes. >> >> my tests were quite simple, I compiled and ran mpi hello_worlds with >> both versions. >> It wouldn't be serious for me to assume both versions fully compatible >> after these tests -and I must admit I lack the time and technical >> knowledge to run further testing. >> >> has anyone any insight on what have changed that would break compatibility? >> I guess nothing, since they are the same major.minor :) >> >> >> regards, >> Guillaume Ranquet. >> -----BEGIN PGP SIGNATURE----- >> Version: GnuPG v2.0.16 (GNU/Linux) >> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ >> >> iQEcBAEBAgAGBQJMyvJTAAoJEEzIl7PMEAliT4kH/RY4WXhEO5R8H3DNIWW7Y91z >> 6q4BrymLrBSl7rnnEgALBMiPGK9lQgqEtv9k3xCFbfOfWXIFreIHH8ZFDzt1BjQI >> TZ58SwVE9CIMmESoJ1P52R+WCbKYur3U2eda//1cfnZ28ZYjnKN/xYlT/wv8hqg3 >> GsW+seMR8X+1nNFkH1UQHIBVO2cXaK24BtSe4cvDFaMaUbe0Qlmxg55BbCSYB4ED >> VBbplp/ty0tojmZdJLqSsp7nZ84oCfvAfZf16fJTDHNYhUSvNz/fldnxWrm7WTUb >> VzM94yJf0IHfNAB/YvpXECGFL9cPWeG/F6Bm+r6GSMRvd0MeLbp1HWJTbVYlCwo= >> =NwEP >> -----END PGP SIGNATURE----- >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users > > > -- > Jeff Squyres > jsquy...@cisco.com > For corporate legal information go to: > http://www.cisco.com/web/about/doing_business/legal/cri/ > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
