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jvh
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re: Resurrecting the Cray-1 in a Xilinx FPGA
jvh   11/26/2010 6:38:22 AM
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This is real hard work, Chris. U built every unit, the multiplier, the adder and the rest of alu stuff. These units are the most time consuming and difficult to debug too. Impressive. Whats ur next target.

cheilman
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re: Resurrecting the Cray-1 in a Xilinx FPGA
cheilman   11/26/2010 1:10:09 AM
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Just visited the first Cray-1 (so they tell me) at NCAR in Boulder, CO. I threw a few photos up on a web page if anyone is interested at http://homepage.mac.com/cheilman/NCAR_Cray_1/. I grew up in Eau Claire just south of Chippewa Falls, WI where Cray Research was founded (and almost ended up working there years ago). I recall studying the architecture back in grad school. Thanks for the memories!

dirk.bruere
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re: Resurrecting the Cray-1 in a Xilinx FPGA
dirk.bruere   11/25/2010 12:17:39 PM
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Brilliant! Just shows that the difference between a large team of engineers building the world's most powerful supercomputer and a hobbyist building it for fun is around 30 years (or less).

rpopov
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re: Resurrecting the Cray-1 in a Xilinx FPGA
rpopov   11/25/2010 7:25:58 AM
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Great job, Chris, really impressive! So, from your description of the hardware architecture of the Cray-1 it seems modern CPUs haven't actually moved much in terms of architecture compared to their grand-dad :D

Finleythewombat
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re: Resurrecting the Cray-1 in a Xilinx FPGA
Finleythewombat   11/25/2010 7:22:53 AM
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This is beyond awesome, Chris. I can't believe Xilinx didn't offer you some freebies and promote your project as a publicity stunt (maybe you should have tried Altera).

ken a
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re: Resurrecting the Cray-1 in a Xilinx FPGA
ken a   11/19/2010 8:26:00 PM
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Shall we play a game? How about Global Thermonuclear War?

NevadaDave
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re: Resurrecting the Cray-1 in a Xilinx FPGA
NevadaDave   11/19/2010 5:17:18 PM
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This is absolutely fantastic! Do you ever sleep? I don't know where you work, but I hope they allow you to use your obvious creativity and intelligence without a lot of restrictions.

thinkski
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re: Resurrecting the Cray-1 in a Xilinx FPGA
thinkski   11/19/2010 6:18:08 AM
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I thought the name Chris Fenton sounded familiar...I ran across your DIY wooden laptop page a few years ago and bookmarked it. I thought that was awesome, but you've really outdone yourself this time!

Max The Magnificent
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Blogger
re: Resurrecting the Cray-1 in a Xilinx FPGA
Max The Magnificent   11/18/2010 2:49:05 PM
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Hi Ryan -- this really is impressive isn't it -- as I said before, I think Chris has a bright future ahead of him...

Ryan Verret
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Rookie
re: Resurrecting the Cray-1 in a Xilinx FPGA
Ryan Verret   11/18/2010 2:42:06 PM
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Very impressive, Chris! Excellent work... truly motivating!

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