Hi Stefan, great work! As Martin said, the copyright is the actual issue. Have you tried to contact the authors? The fact that they seem to be working at a university rather than a company is at least promising.
Cheers Andre On 11.11.2015 19:47, Martin Braun wrote: > Stefan, > > ******THIS IS NOT LEGAL ADVICE ETC.******** > > the license isn't the issue, but the copyright. Code that goes into GNU > Radio is copyrighted by the FSF (that's why you signed that CLA). This > is becoming a more and more common thing, btw, see the recent > discussions on the LLVM project. > > Since you're not the copyright holder of the original code, you have no > way of transferring said copyright to the FSF. > > I'm not sure what the correct way to do this is. An out-of-tree approach > will definitely work, since the licenses are compatible according to > lists provided by e.g. the FSF. > If the authors would agree to a copyright transfer of this copy of the > code, that'll also work but it's annoying to get that. > > On a different note, this is really great work, Stefan! > > Cheers, > Martin > > On 11.11.2015 05:57, Stefan Wunsch wrote: >> Hi! >> >> I have implemented a SIMD accelerated Mersenne-Twister as a VOLK kernel. >> The performance is pretty good with up to 350% performance increase >> compared to a conventional Mersenne-Twister (used is the boost.random >> implementation with O3 compiler flag). >> >> Now the problem: The code isn't completely mine. It is done by the >> author of this [0]. The code says that it is published under the >> 3-clause BSD licence [1]. >> >> Is it possible to contribute this to VOLK? Or do I violate the BSD >> licence (or the GPL)? >> >> Greetings >> Stefan >> >> [0] http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/SFMT/ >> [1] >> /* >> * Copyright (C) 2006, 2007 Mutsuo Saito, Makoto Matsumoto and Hiroshima >> * University. >> * Copyright (C) 2012 Mutsuo Saito, Makoto Matsumoto, Hiroshima >> * University and The University of Tokyo. >> * Copyright (C) 2013 Mutsuo Saito, Makoto Matsumoto and Hiroshima >> * University. >> * All rights reserved. >> * >> * The 3-clause BSD License is applied to this software, see >> * LICENSE.txt >> */ >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> [email protected] >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
