[cfe-dev] Cilk Plus extensions in LLVM/Clang

[Hal Finkel]

----- Original Message -----
> From: "Hal Finkel" <hfinkel at anl.gov>
> To: "Ben Langmuir" <ben.langmuir at intel.com>
> Cc: "Clang Developer's Mailing List" <cfe-dev at cs.uiuc.edu>
> Sent: Thursday, February 28, 2013 5:06:00 PM
> Subject: Re: [cfe-dev] Cilk Plus extensions in LLVM/Clang
> 
> ----- Original Message -----
> > From: "Ben Langmuir" <ben.langmuir at intel.com>
> > To: "Hal Finkel <hfinkel at anl.gov> (hfinkel at anl.gov)"
> > <hfinkel at anl.gov>
> > Cc: "Wei Pan" <wei.pan at intel.com>, "Andy Zhang"
> > <andy.zhang at intel.com>, "Stefanus Du Toit"
> > <stefanus.du.toit at intel.com>, "Douglas Gregor" <dgregor at apple.com>,
> > "Clang Developer's Mailing List"
> > <cfe-dev at cs.uiuc.edu>
> > Sent: Thursday, February 28, 2013 2:52:24 PM
> > Subject: RE: Cilk Plus extensions in LLVM/Clang
> > 
> > Hi Hal,
> > 
> > A porting guide is a great idea, and I would love to see Cilk Plus
> > used on more platforms.  I think we can start by describing at a
> > high-level what the architecture-specific parts of the compiler and
> > runtime are.  This could live on a wiki page so anyone interested
> > in
> > porting Cilk Plus can contribute. Does that seem like a reasonable
> > first step?
> 
> Yes, sounds great!

Also, (and perhaps this is really just a git question), is there an easy way to generate a patch against the upstream sources from a clone of the git repository?

Thanks again,
Hal

> 
>  -Hal
> 
> > 
> > Ben
> > 
> > -----Original Message-----
> > From: Hal Finkel [mailto:hfinkel at anl.gov]
> > Sent: Wednesday, February 27, 2013 11:14 PM
> > To: Langmuir, Ben
> > Cc: Pan, Wei; Zhang, Andy; Du Toit, Stefanus; Douglas Gregor; Clang
> > Developer's Mailing List
> > Subject: Re: Cilk Plus extensions in LLVM/Clang
> > 
> > Ben,
> > 
> > This is great news! Thanks for making sure this ended up in the
> > open.
> > 
> > Now what I'd like is some kind of (perhaps informal) "porting
> > guide"
> > for the compiler and the runtime. I'll want to get this working on
> > other architectures, operating systems, etc.
> > 
> >  -Hal
> > 
> > ----- Original Message -----
> > > From: "Ben Langmuir" <ben.langmuir at intel.com>
> > > To: "Clang Developer's Mailing List" <cfe-dev at cs.uiuc.edu>
> > > Cc: "Wei Pan" <wei.pan at intel.com>, "Andy Zhang"
> > > <andy.zhang at intel.com>, "Stefanus Du Toit"
> > > <stefanus.du.toit at intel.com>, "Hal Finkel" <hfinkel at anl.gov>,
> > > "Douglas
> > > Gregor" <dgregor at apple.com>
> > > Sent: Wednesday, February 27, 2013 11:06:35 AM
> > > Subject: Cilk Plus extensions in LLVM/Clang
> > > 
> > > 
> > > 
> > > 
> > > Hi all,
> > > 
> > > 
> > > 
> > > The Cilk Plus developers at Intel are pleased to announce that
> > > our
> > > in-progress implementation of the Cilk Plus C/C++ language
> > > extensions
> > > in Clang/LLVM is now available on Github:
> > > 
> > > 
> > > 
> > > http://cilkplus.github.com/
> > > 
> > > 
> > > 
> > > You may recall that Cilk Plus in Clang was previously discussed
> > > here:
> > > http://lists.cs.uiuc.edu/pipermail/cfe-dev/2012-November/thread.html#2
> > > 5495 , including the reasons for hosting it out of tree. We are
> > > committed to continuing development in the open, and we would
> > > appreciate any feedback from the community on the design or
> > > implementation!
> > > 
> > > 
> > > 
> > > Repository Info
> > > 
> > > ===============
> > > 
> > > 
> > > 
> > > The code is available in the "cilkplus" branch of each of the
> > > following git repositories:
> > > 
> > > 
> > > 
> > > http://github.com/cilkplus/clang - This repo contains the C/C++
> > > core
> > > language extensions (i.e. the tasking keywords).
> > > 
> > > http://github.com/cilkplus/compiler-rt - This repo contains a
> > > copy
> > > of
> > > the Cilk Plus runtime library distributed under a BSD 3-clause
> > > license.
> > > 
> > > http://github.com/cilkplus/llvm - Mostly used to keep our Clang
> > > branch
> > > synced to a reasonable LLVM revision; it also contains a small
> > > Cilk-specific optimization pass.
> > > 
> > > 
> > > 
> > > Our changes are kept in sync with llvm.org's master branch, and
> > > are
> > > typically within two weeks of trunk.
> > > 
> > > 
> > > 
> > > Status
> > > 
> > > ======
> > > 
> > > 
> > > 
> > > This code currently supports the _Cilk_spawn and _Cilk_sync
> > > tasking
> > > keywords, as well as hyperobjects and the runtime library. The
> > > status
> > > is summarized at http://cilkplus.github.com/#status .
> > > 
> > > 
> > > 
> > > The implementation of _Cilk_spawn uses our original
> > > implementation
> > > of
> > > captured statements. We recently proposed this feature to cfe-dev
> > > for
> > > inclusion in trunk, and an improved version of captured
> > > statements
> > > is
> > > currently in review. We hope to continue upstreaming improvements
> > > that
> > > are valuable to the broader Clang community into trunk as they
> > > come
> > > up.
> > > 
> > > 
> > > 
> > > Regards,
> > > 
> > > 
> > > 
> > > Ben Langmuir
> > > 
> > > 
> > > 
> > > Software Developer
> > > 
> > > Intel
> > > 
> > > 
> > 
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