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      /  FPGA Amiga even quicker
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g01df1sh 
FPGA Amiga even quicker
Posted on 6-Oct-2015 19:17:21
#1 ]
Super Member
Joined: 16-Apr-2009
Posts: 1777
From: UK

Hi all

Found this today how fast can they make the a600 FPGA accelerater go now.
http://www.extremetech.com/extreme/215685-microfluidic-cooling-yields-huge-performance-benefits-in-fpga-processors

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RodTerl 
Re: FPGA Amiga even quicker
Posted on 7-Oct-2015 10:51:07
#2 ]
Cult Member
Joined: 6-Sep-2004
Posts: 589
From: Rossendale

@g01df1sh

Oh wow, I was wondering how long it would take to get this running.

Thing that confuses me is when they go on about it being difficult to apply it to CPUs.

Thats because, isnt the circutry all on one side of the silicon substrate, and the heat sink is the empty space on the other side, and the micrographs show multiple repeated modules, and in energy efficint versions, deep channel electrically isolated modules for variable clock, voltage and shut down operation?

As for general liquid cooling on componant, wouldnt that be Cray?

They say creation of 100 micron channels. Pity really, because this means we will be looking at year after year of microscopic incremental catchup, instead of saying, here, I was looking at this in the 80s, using my university course on cooling systems for injection moulding machines. Lets calculate the modular branching fluidic logic structure so that the thermal load in each area acts as sensor, switcher for manipulating fluid flow, the various parts have been round for decades due to nuclear reprocessing industry.

The power density of a CPU/GPU is supposed to be similar t that of a nuclear reactor, why not save even more energy by looking at micro turbogenerators of over 10% recovery capacity?

Of course, what would have really impressed me about this, if I can find my paperwork with all the calculations, is if they had put even basic fractal or even linear branching channel on the back of the chip in the substrate, then drilled pinholes through the circuitry itself, such that only gasous fluid could get through. You want on die cooling? Try 2000 watts per ml per second for water.

Come on guys, this is 80s tech, Dont make us wait 40 years for the thing. Oh, wait, they scrapped Concorde due to it beng 60s tech due to it being too good.

You think this is fun, Now imagine taking the DVD pressing plant with elastomeric material with CVD silicon coating and circuitry with pressed fluidic cooling logic. Allow to fold up into a 3D form when stress is released. Watch Moores law hold for another 30 years. Using a thousandth the silicon of a current chip, for the current chip. Now imagine, due to CVD substrate creation, we no longer need billion dollar zone refining boule foundries or wafer production. Or Fab plants as we know them. given Thailand, this means flooded etc.

Sorry, I was just trying to work out how to get a ZX spectrum to clock at 100 Mhz with a 30 volt supply and it was the only way I could think of.

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Hypex 
Re: FPGA Amiga even quicker
Posted on 7-Oct-2015 14:46:56
#3 ]
Elite Member
Joined: 6-May-2007
Posts: 11180
From: Greensborough, Australia

@g01df1sh

Bit confusng here. I thought you were posting about an FPGAmiga with a speed increase. Then you mention a A600 FPGA. But link to an article about FPGA cooling. Nice artcle but where is the FPGA600

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Anonymous 
Re: FPGA Amiga even quicker
Posted on 8-Oct-2015 8:11:33
# ]

0
0

@RodTerl

Quote:
... Sorry, I was just trying to work out how to get a ZX spectrum to clock at 100 Mhz with a 30 volt supply and it was the only way I could think of.


Moments later:

Quote:
Oh no, it's the Libyans! Run for it Marty!


 
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g01df1sh 
Re: FPGA Amiga even quicker
Posted on 8-Oct-2015 8:14:42
#5 ]
Super Member
Joined: 16-Apr-2009
Posts: 1777
From: UK

@Hypex

Here is link about A600 fpga accelerator

http://www.majsta.com/

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megol 
Re: FPGA Amiga even quicker
Posted on 17-Dec-2015 19:14:16
#6 ]
Regular Member
Joined: 17-Mar-2008
Posts: 355
From: Unknown

@g01df1sh

"huge performance benefit"? They didn't even list any improvement in performance!

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