llvm dev - Nov 2015 - [flang-dev] Re: Adapting and open-sourcing PGI's Fortran frontend for LLVM

----- Original Message -----
> From: "Alex Bradbury" <asb at asbradbury.org>
> To: "Hal Finkel" <hfinkel at anl.gov>
> Cc: "LLVM Dev" <llvm-dev at lists.llvm.org>,
"flang-dev" <flang-dev at googlegroups.com>, "Rob
Neely" <neely4 at llnl.gov>,
> "douglas miles (PGI)" <douglas.miles at pgroup.com>
> Sent: Saturday, November 14, 2015 1:41:08 AM
> Subject: Re: [llvm-dev] Adapting and open-sourcing PGI's Fortran
frontend for LLVM
> 
> On 13 November 2015 at 22:22, Hal Finkel via llvm-dev
> <llvm-dev at lists.llvm.org> wrote:
> > Hi everyone,
> >
> > I have some very good news for everyone interested a
> > production-quality Fortran frontend for LLVM:
> >
> > The U.S. Department of Energy’s National Nuclear Security
> > Administration and its three national labs have reached an
> > agreement with NVIDIA's PGI division to adapt and open-source
> > PGI's Fortran frontend, and associated Fortran runtime library,
> > for contribution to the LLVM project. PGI is now working on
> > isolating the necessary frontend components from their existing
> > compiler code base and adapting those components to produce LLVM
> > IR for consumption by our existing infrastructure.
> >
> > We're expecting an initial source-code release from PGI by late
> > 2016, and while that's still far away, PGI's developers will
be
> > working closely with the community to coordinate development
> > efforts by others interested in Fortran support (e.g. on ABI
> > support code for other platforms). Even before source code is
> > available, PGI is going to keep the community updated on their
> > progress. After source code is released, PGI will continue
> > development work in coordination with the community to implement
> > additional Fortran and OpenMP features not currently supported by
> > PGI Fortran. The frontend will use LLVM's infrastructure for
> > regression testing, and PGI will be developing regression tests
> > for these new features in accordance with our existing practice.
> 
> What will happen to flang development efforts?
This is obviously a somewhat-tricky question. There is an existing Flang code
base and a few people have been working on it. Furthermore, it is still the only
one we'll have for the next year. My hope is that, with the participation of
the PGI developers, we'll be able to structure our Flang efforts on pieces
that we'll be able to pick up and move to the code that PGI is releasing
once that happens. Between development on the Driver, ABI support code, and
testing and other infrastructure, the community can make substantial progress in
2016. By the end of 2016, we'll combine these pieces with PGI's code,
and have a production-quality LLVM Fortran compiler representing the totality of
this work.

 -Hal
> 
> Alex
> 
-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory

+1 to Hal's note regarding.  I'm personally in full support of PGI
efforts
(I am not an employee of NVIDIA or PGI).  I believe this is a great step
for the future of Fortran as associated with LLVM.  I hope to start the
discussions with the PGI folks this week at Supercomputing.  It should be
an interesting year in development!

On Sat, Nov 14, 2015 at 2:59 AM, Hal Finkel <hfinkel at anl.gov> wrote:
> ----- Original Message -----
> > From: "Alex Bradbury" <asb at asbradbury.org>
> > To: "Hal Finkel" <hfinkel at anl.gov>
> > Cc: "LLVM Dev" <llvm-dev at lists.llvm.org>,
"flang-dev" <
> flang-dev at googlegroups.com>, "Rob Neely" <neely4 at
llnl.gov>,
> > "douglas miles (PGI)" <douglas.miles at pgroup.com>
> > Sent: Saturday, November 14, 2015 1:41:08 AM
> > Subject: Re: [llvm-dev] Adapting and open-sourcing PGI's Fortran
> frontend for LLVM
> >
> > On 13 November 2015 at 22:22, Hal Finkel via llvm-dev
> > <llvm-dev at lists.llvm.org> wrote:
> > > Hi everyone,
> > >
> > > I have some very good news for everyone interested a
> > > production-quality Fortran frontend for LLVM:
> > >
> > > The U.S. Department of Energy’s National Nuclear Security
> > > Administration and its three national labs have reached an
> > > agreement with NVIDIA's PGI division to adapt and open-source
> > > PGI's Fortran frontend, and associated Fortran runtime
library,
> > > for contribution to the LLVM project. PGI is now working on
> > > isolating the necessary frontend components from their existing
> > > compiler code base and adapting those components to produce LLVM
> > > IR for consumption by our existing infrastructure.
> > >
> > > We're expecting an initial source-code release from PGI by
late
> > > 2016, and while that's still far away, PGI's developers
will be
> > > working closely with the community to coordinate development
> > > efforts by others interested in Fortran support (e.g. on ABI
> > > support code for other platforms). Even before source code is
> > > available, PGI is going to keep the community updated on their
> > > progress. After source code is released, PGI will continue
> > > development work in coordination with the community to implement
> > > additional Fortran and OpenMP features not currently supported by
> > > PGI Fortran. The frontend will use LLVM's infrastructure for
> > > regression testing, and PGI will be developing regression tests
> > > for these new features in accordance with our existing practice.
> >
> > What will happen to flang development efforts?
>
> This is obviously a somewhat-tricky question. There is an existing Flang
> code base and a few people have been working on it. Furthermore, it is
> still the only one we'll have for the next year. My hope is that, with
the
> participation of the PGI developers, we'll be able to structure our
Flang
> efforts on pieces that we'll be able to pick up and move to the code
that
> PGI is releasing once that happens. Between development on the Driver, ABI
> support code, and testing and other infrastructure, the community can make
> substantial progress in 2016. By the end of 2016, we'll combine these
> pieces with PGI's code, and have a production-quality LLVM Fortran
compiler
> representing the totality of this work.
>
>  -Hal
>
> >
> > Alex
> >
>
> --
> Hal Finkel
> Assistant Computational Scientist
> Leadership Computing Facility
> Argonne National Laboratory
>
> --
> You received this message because you are subscribed to the Google Groups
> "flang-dev" group.
> To unsubscribe from this group and stop receiving emails from it, send an
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> To view this discussion on the web visit
>
https://groups.google.com/d/msgid/flang-dev/15147591.1205.1447491564549.JavaMail.javamailuser%40localhost
> .
> For more options, visit https://groups.google.com/d/optout.
>
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Hi

Just wanted to share with everybody my support to PGI efforts in Flang. I
was happy to learn that we are going to fast-forward Flang to PGI's level!

Thanks!

-- Carlo

On 14 November 2015 at 10:08, John Leidel <john.leidel at gmail.com>
wrote:
> +1 to Hal's note regarding.  I'm personally in full support of PGI
efforts
> (I am not an employee of NVIDIA or PGI).  I believe this is a great step
> for the future of Fortran as associated with LLVM.  I hope to start the
> discussions with the PGI folks this week at Supercomputing.  It should be
> an interesting year in development!
>
> On Sat, Nov 14, 2015 at 2:59 AM, Hal Finkel <hfinkel at anl.gov>
wrote:
>
>> ----- Original Message -----
>> > From: "Alex Bradbury" <asb at asbradbury.org>
>> > To: "Hal Finkel" <hfinkel at anl.gov>
>> > Cc: "LLVM Dev" <llvm-dev at lists.llvm.org>,
"flang-dev" <
>> flang-dev at googlegroups.com>, "Rob Neely" <neely4 at
llnl.gov>,
>> > "douglas miles (PGI)" <douglas.miles at
pgroup.com>
>> > Sent: Saturday, November 14, 2015 1:41:08 AM
>> > Subject: Re: [llvm-dev] Adapting and open-sourcing PGI's
Fortran
>> frontend for LLVM
>> >
>> > On 13 November 2015 at 22:22, Hal Finkel via llvm-dev
>> > <llvm-dev at lists.llvm.org> wrote:
>> > > Hi everyone,
>> > >
>> > > I have some very good news for everyone interested a
>> > > production-quality Fortran frontend for LLVM:
>> > >
>> > > The U.S. Department of Energy’s National Nuclear Security
>> > > Administration and its three national labs have reached an
>> > > agreement with NVIDIA's PGI division to adapt and
open-source
>> > > PGI's Fortran frontend, and associated Fortran runtime
library,
>> > > for contribution to the LLVM project. PGI is now working on
>> > > isolating the necessary frontend components from their
existing
>> > > compiler code base and adapting those components to produce
LLVM
>> > > IR for consumption by our existing infrastructure.
>> > >
>> > > We're expecting an initial source-code release from PGI
by late
>> > > 2016, and while that's still far away, PGI's
developers will be
>> > > working closely with the community to coordinate development
>> > > efforts by others interested in Fortran support (e.g. on ABI
>> > > support code for other platforms). Even before source code is
>> > > available, PGI is going to keep the community updated on
their
>> > > progress. After source code is released, PGI will continue
>> > > development work in coordination with the community to
implement
>> > > additional Fortran and OpenMP features not currently
supported by
>> > > PGI Fortran. The frontend will use LLVM's infrastructure
for
>> > > regression testing, and PGI will be developing regression
tests
>> > > for these new features in accordance with our existing
practice.
>> >
>> > What will happen to flang development efforts?
>>
>> This is obviously a somewhat-tricky question. There is an existing
Flang
>> code base and a few people have been working on it. Furthermore, it is
>> still the only one we'll have for the next year. My hope is that,
with the
>> participation of the PGI developers, we'll be able to structure our
Flang
>> efforts on pieces that we'll be able to pick up and move to the
code that
>> PGI is releasing once that happens. Between development on the Driver,
ABI
>> support code, and testing and other infrastructure, the community can
make
>> substantial progress in 2016. By the end of 2016, we'll combine
these
>> pieces with PGI's code, and have a production-quality LLVM Fortran
compiler
>> representing the totality of this work.
>>
>>  -Hal
>>
>> >
>> > Alex
>> >
>>
>> --
>> Hal Finkel
>> Assistant Computational Scientist
>> Leadership Computing Facility
>> Argonne National Laboratory
>>
>> --
>> You received this message because you are subscribed to the Google
Groups
>> "flang-dev" group.
>> To unsubscribe from this group and stop receiving emails from it, send
an
>> email to flang-dev+unsubscribe at googlegroups.com.
>> To post to this group, send email to flang-dev at googlegroups.com.
>> To view this discussion on the web visit
>>
https://groups.google.com/d/msgid/flang-dev/15147591.1205.1447491564549.JavaMail.javamailuser%40localhost
>> .
>> For more options, visit https://groups.google.com/d/optout.
>>
>
> --
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