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sa_penguin
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Face-off
sa_penguin   12/15/2013 3:31:11 AM
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The limiting factor in your comaprisons should be - the price of the most expensive system [Zedboard]. DMIPS are nice, but DMIPS per dollar appeal to finance sections. If you can buy more than 3 Pi's for the cost of the Zedboard, the performance factor you noted for the Zedboard becomes irrelevant.

If you need the FPGA section to totally thrash the competition, what happens when you give the competition an FPGA too?

So, I'd like to see a Beaglebone Black [BBB] thrown into the comparison mix. Then I'd like to see some kind of FPGA add-on for the Pi and BBB, such as the Logi-bone. The comparison of a Zynq system to a BBB [or Pi ] with a humble Spartan-6 "tacked on" would be... interesting.

Adam-Taylor
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Re: Face-off
Adam-Taylor   12/15/2013 7:44:58 AM
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It would be very interesting to take this further and see hat happens as we began to offload the processing in the FPGA section. 

If I manage to get any time over the christmas break I will have a look into perhaps doing this. 

Mr. NiceGuy
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Re: Face-off
Mr. NiceGuy   12/29/2013 5:22:36 AM
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i am also very interested how we can speed up the minning with FPGA logic. As gpu cards on market are making 1mhas/s in litecoin minning...so it would be a breakthru if it possible to make more mhas/s with zedboard in comparison with fpga logic...lots of Luck !!!

Habanero
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Re: Face-off
Habanero   12/17/2013 6:18:46 AM
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Also don't forget about  DMIPS per Watt. If it's going to run 24/7, it will matter as the running cost can justify a higher initial investment in the long run.


I'd love to see how parallela is going to perform.

Can't wait to receive mine !

Max The Magnificent
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Re: Face-off
Max The Magnificent   12/17/2013 2:49:16 PM
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@Hababero: I'd love to see how parallela is going to perform. Can't wait to receive mine!

Me too!!!

sa_penguin
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Re: Face-off
sa_penguin   12/18/2013 2:35:14 AM
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Doesn't the Parallela include the FPGA chip from the Zedboard? Have they not yet arrived?

For benchmarking, take the Zedboard data as a Parallela baseline. When the FPGA code gets added, the Parallela may well be able to use that, too. The big difference comes when [if] you add code specifically targeting the Parallela CPUs.

Of course, if you were planning on doing this For Real Money, other questions are: how much better does the Parallela need to be? For every day you delay starting [undelivered Dev board] how far behind do you fall? How long will you need to use the expanded capabilities of the Parallela, before you catch up with those who started TODAY with a standard Zedboard?

Habanero
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Re: Face-off
Habanero   12/18/2013 3:30:42 AM
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As you said it does come with a zynq device aswell, the biggest difference is indeed the multicore chip which screams "parallel calculations". this is mostly what my comment is about.

No they haven't arrived yet, lately I received an email from someone at adapteva saying they would soom start delivering their boards to kickstarter backers, and expected to start delivering pre-orders by January 31st.

Personnally I don't plan on mining for the sake of mining, just to play around a fun device. Surely someone with an immediate need for strong calculation capabilities might turn to the zedboard for its instant availability.

 

betajet
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MicroZed and ZYBO
betajet   12/18/2013 10:08:07 AM
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While we've been waiting for Parallella to ship, there are some cheaper versions of ZedBoard available or soon-to-ship.  Avnet has the MicroZed, a smaller version of ZedBoard with 7Z010 (US$192) or 7Z020 (US$289) and Digilent will have the ZYBO with 7Z010 for US$189 (US$129 academic).  These are still pretty expensive, but better than the 7Z020 ZedBoard's US$395.

Max The Magnificent
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What would the 7 Dwarfs think about all this?
Max The Magnificent   12/16/2013 1:06:56 PM
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@Adam: I think it might be useful for you to post a comment giving a brief explanation of what the whole "mining" thing is about. A lot of folks who aren't familiar with this area may be asking themselves "What does this actually mean?"

rich.pell
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Re: What would the 7 Dwarfs think about all this?
rich.pell   12/17/2013 2:35:06 PM
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For an overview of Bitcoin, including an explanation of Bitcoin mining, you may want to check out my recent article at EDN:

Bitcoin: A technological and economic game changer?

Max The Magnificent
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Re: What would the 7 Dwarfs think about all this?
Max The Magnificent   12/17/2013 2:50:28 PM
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@Rich: For an overview of Bitcoin, including an explanation of Bitcoin mining, you may want to check out my recent article at EDN....

Cool Beans -- this will be very useful to lots of people

David Ashton
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Mining?
David Ashton   12/17/2013 3:56:58 PM
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Coins are usually produced in a Mint, not a Mine.  "Bitcoin Minting" would make much more sense, methinks....

rich.pell
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Blogger
Re: Mining?
rich.pell   12/17/2013 5:09:44 PM
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I think the concept is that - not unlike gold - bitcoins need to be "discovered" through a process that (intentionally) involves some intensive effort.  This process is more like mining than simply manufacturing coins.  Maybe someone will come up with a virtual mint to produce virtual representations of bitcoins.  :)



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