[Beowulf] ARM cpu's and development boards and research

Prentice Bisbal prentice.bisbal at rutgers.edu
Tue Nov 27 15:20:27 PST 2012



On 11/27/2012 03:39 PM, Vincent Diepeveen wrote:
> On Nov 27, 2012, at 9:05 PM, Bill Broadley wrote:
>
>> On 11/27/2012 07:46 AM, Vincent Diepeveen wrote:
>>> i dug around in price of ARMs and development boards.
>>>
>>> If you just buy a handful most interesting offer seems to be
>>>
>>> http://www.hardkernel.com/renewal_2011/products/prdt_info.php?
>>> g_code=G133999328931
>>>
>>> it's $129 and has a quad core ARM cortex A9 at 1.4Ghz and a mali gpu
>>> on it.
>>>
>>> So from raw cpu cores this is by far best offer on the market,
>>> nothing even gets close to it,
>> Maybe if you want the maximum cores per $ regardless of performance.
>>
>> Atom boards are likely to give you:
>> * substantially better CPU performance
>> * 10x the network bandwidth
>> * 4x the memory size
>>
>> Like say the $70 board with a D2500 (1.86GHz dual core) or the $80
>> D2700
>> (2.1 GHz dual core/4 thread).
> Atom D2700 is 10 watt TDP and with intel you never know whether they
> over that or not.
>
> That's really too much man for a robot that runs on a battery and
> wants to get a beer for you from the fridge while you watch
> your favourite (sport)show on TV.
>
> Also it's price of $52 a piece is a tad high.
>

I don't know. This looks like it's worth $52:

http://www.youtube.com/watch?v=TVyLuosZ1rY

--
Prentice


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