Reply by e2kcpu September 9, 20082008-09-09
--- In f..., Tommy Thorn wrote:
> I would love a port to Xilinx' ML401 (which I have),
ML401 is OK,

> but with a new baby
> even answer this mail takes precious time. I could use some help :-)

With the baby ? Need a babysitter ?
;-)


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Reply by Tommy Thorn September 3, 20082008-09-03
I would love a port to Xilinx' ML401 (which I have), but with a new baby
even answer this mail takes precious time. I could use some help :-)

Porting to Xilinx shouldn't be much of a problem; we'd need a Xilinx version of the memory module and I'd need support for the Sync SRAM on the ML401. I'm actually trying to get the Sync SRAM on the DE2-70 going these days so hopefully that will be similar.

Tommy

--- On Tue, 9/2/08, e2kcpu wrote:

> From: e2kcpu
> Subject: [fpga-cpu] Re: MMIX on FPGA
> To: f...
> Date: Tuesday, September 2, 2008, 11:46 PM
> --- In f..., Tommy Thorn
> wrote:
>
> > See Section 3 of the following paper (note performance
> is now 40%
> better):
> >
> http://www.vmars.tuwien.ac.at/php/pserver/extern/docdetail.php?DID$31&viewmode=paper&year 08
>
> Any chance for a xilinx port ?
>
>
> To post a message, send it to: f...
> To unsubscribe, send a blank message to:
> f...
Reply by robnotbobuk September 3, 20082008-09-03
Thanks Tommy. I have downloaded the paper and will have a read.

Cheers.

Robert.

--- In f..., Tommy Thorn wrote:
>
> > From: robnotbobuk
> > what is YARI?
>
> See Section 3 of the following paper (note performance is now 40%
better):
> http://www.vmars.tuwien.ac.at/php/pserver/extern/docdetail.php?
DID$31&viewmode=paper&year 08
>
> Tommy
>



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Reply by e2kcpu September 3, 20082008-09-03
--- In f..., Tommy Thorn wrote:

> See Section 3 of the following paper (note performance is now 40%
better):
>
http://www.vmars.tuwien.ac.at/php/pserver/extern/docdetail.php?DID$31&viewmode=paper&year 08

Any chance for a xilinx port ?


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Reply by Tommy Thorn September 2, 20082008-09-02
> From: robnotbobuk
> what is YARI?

See Section 3 of the following paper (note performance is now 40% better):
http://www.vmars.tuwien.ac.at/php/pserver/extern/docdetail.php?DID$31&viewmode=paper&year 08

Tommy



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Reply by robnotbobuk September 2, 20082008-09-02
Thanks got it!

Cheers.

Robert.
--- In f..., "e2kcpu" wrote:
>
> --- In f..., "robnotbobuk"
wrote:
> >
> > Hi Folks.
> >
> > I just back from holiday and picked up on this email trail. Tommy
> > what is YARI?
>
> Try : http://repo.or.cz/w/yari.git
>



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Reply by e2kcpu September 2, 20082008-09-02
--- In f..., "robnotbobuk" wrote:
>
> Hi Folks.
>
> I just back from holiday and picked up on this email trail. Tommy
> what is YARI?

Try : http://repo.or.cz/w/yari.git


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Reply by robnotbobuk September 2, 20082008-09-02
Hi Folks.

I just back from holiday and picked up on this email trail. Tommy
what is YARI?

Cheers.

Robert.

--- In f..., Tommy Thorn wrote:
>
> I made my sources available via git on repo.or.cz/w/fpgammix.git
>
> If you don't do git, there's a "snapshot" link to a tar ball.
>
> Have fun and let me have your questions.
>
> Tommy
> --- On Thu, 8/28/08, Michael_Dorfman wrote:
>
> > From: Michael_Dorfman
> > Subject: [fpga-cpu] Re: MMIX on FPGA
> > To: f...
> > Date: Thursday, August 28, 2008, 8:12 AM
> > --- In f..., Tommy Thorn
> > wrote:
> >
> > > fpgammix runs nearly all of the user-level integer
> > subset of MMIX.
> > Still lacking is handling of stack under- and overflow.
> > >
> > > Note, this is _not_ a slick, well tested, high
> > performance
> > implementation like YARI. I wanted to throw together a
> > quick
> > implementation first so I could understand what it would
> > take to make
> > a faster pipelined implementation.
> > >
> > > Nobody appeared interested and eventually other
> > priorities took
> > over, so I haven't touched it in almost a year.
> > >
> > > If anyone is interested, I can release it under, say,
> > GPL.
> > >
> > > I had some fun writing a demo using audio, bitmapped
> > graphics, PS/2
> > keyboard and mouse.
> > >
> >
> > I just saw this today, via the web-- for some reason it
> > didn't come
> > through to me via the mailing list.
> >
> > In any event: YES! I am definitely interested. It sounds
> > fascinating, and I'd love to see it. I'd also love
> > to help on the
> > underflow/overflow issue, or any other outstanding issues.
> >
> > Thanks!
> >
> >
> >
> >
> > To post a message, send it to: f...
> > To unsubscribe, send a blank message to:
> > fpga-cpu-unsubscribe@...! Groups Links
> >
> >
>


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Reply by Tommy Thorn August 28, 20082008-08-28
--- On Thu, 8/28/08, Michael_Dorfman wrote:
> Too cool!
>
> I'm new to the FPGA game-- what board/kit would you
> recommend for this project (preferably under, say, $1500)?

I'm sure there are as many opinions as there are people, but let
me give you mine and the justification.

Of all the dev kits I've found, I have yet to find one better value
than the DE2-70 from Terasic:

http://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&CategoryNo9&No"6

The FPGA on that board is an Altera Cyclone 2 EP2C70 which at
68,416 LE (LUT + FF) is one of the largest FPGAs with free tool support (the Cyclone 3 EP3C120 is the only larger one). Add to that all the features on the board and you have a winner.

If you're a student or are affiliated with an academic institution, you
can get a significant discount over the $600 stock price.

I haven't ported fpgammix to this board yet, but it shouldn't take
very much effort at all.

There are definitely cheaper boards out there, but IMO none are this
good a value and most are simply too wimpy for MMIX.

Cheers
Tommy



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Reply by Michael_Dorfman August 28, 20082008-08-28
--- In f..., Tommy Thorn wrote:
>
> I made my sources available via git on repo.or.cz/w/fpgammix.git
>
> If you don't do git, there's a "snapshot" link to a tar ball.
>
> Have fun and let me have your questions.
>
> Tommy

Too cool!

I'm new to the FPGA game-- what board/kit would you recommend for this
project (preferably under, say, $1500)?

Michael


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