Date: Fri, 4 Apr 2014 19:17:54 +0500 From: Jordan Hubbard <jkh@ixsystems.com> To: David Chisnall <theraven@FreeBSD.org> Cc: svn-src-head@freebsd.org, Baptiste Daroussin <bapt@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org Subject: Re: svn commit: r264042 - in head: include lib/libc/gen lib/libc/include lib/libc/stdlib Message-ID: <6418BE83-BE78-473B-9311-C849507FA885@ixsystems.com> In-Reply-To: <8E3BD3C1-A441-48C5-97BC-45EF67513096@FreeBSD.org> References: <201404021607.s32G7mhw051355@svn.freebsd.org> <20140404115256.GA85137@ivaldir.etoilebsd.net> <F2A33EA8-14F2-4D62-9021-9023A1751E48@FreeBSD.org> <8D6AF193-A5A3-4A28-A230-97A543395ACA@ixsystems.com> <2E0EC8CB-B3EE-4DB8-A33D-58FD2107F14D@FreeBSD.org> <6A02504F-5543-4F91-92F6-7B4FB9A34DC4@ixsystems.com> <152D73EE-DF9E-4757-B547-F1F22B12C824@FreeBSD.org> <B06E1588-8828-485F-A407-3F19231F8EA5@ixsystems.com> <8E3BD3C1-A441-48C5-97BC-45EF67513096@FreeBSD.org>
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On Apr 4, 2014, at 7:03 PM, David Chisnall <theraven@FreeBSD.org> wrote: > That said, I think we're increasingly going to be using LLVM for = things that are beyond just simple AOT compilation, so platforms with no = LLVM back end are likely to be left behind. Amen, and a topic worth an entire discussion in its own right, but I=92ll = spare us that and leave the topic with just one quick anecdote: When we = ported MacRuby to LLVM, thus creating in effect a ruby JIT compiler, we = were pretty amazed at how quickly the work progressed and how good the = performance of the resulting code was. MacRuby later died for other = reasons, but its JIT/AOT compilation abilities were amazing enough that = we were left wondered why the Python and Perl folks weren=92t stampeding = over themselves to follow suit. I think the answer there was that they=92d already rolled their own = bytecode systems, as ultimately did Ruby, and had too much invested in = those technologies, but I=92m still holding out hope that the =93everyone = but C/C++=94 world of languages will eventually converge on LLVM, as = seems to be slowly happening with projects like Rubinius and Numba. Not = relevant to FreeBSD right now, but who knows the future? - Jordan
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