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Re: Green Array energy consumption: a reality check.

From Tristan Plumb <firth@trstn.net>
Newsgroups comp.lang.forth
Subject Re: Green Array energy consumption: a reality check.
Date 2014-01-12 22:40 +0000
Organization NewsGuy - Unlimited Usenet $19.95
Message-ID <slrnld66fl.3h4.st@tumtum.plumbweb.net> (permalink)
References <52d2b239$0$25047$e4fe514c@dreader37.news.xs4all.nl> <slrnld5im2.3h4.st@tumtum.plumbweb.net> <52d2d076$0$25281$e4fe514c@dreader34.news.xs4all.nl>

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On 2014-01-12, Albert van der Horst <albert@spenarnc.xs4all.nl> wrote:
> Tristan Plumb  <firth@trstn.net> wrote:
>>From the Butterfly Labs FAQ <http://www.butterflylabs.com/faq/>:
>>
>>| What is the power consumption of the Bitforce SC (ASIC based) units?
>>|
>>| Our 65nm chips consume between 4 and 5 watts per gigahash.
>>| ...
>>| Our 50 gigahash machine will consume approximately 250 to 300 watts.
>>
>>5 watt-seconds per gigahash is 5 nJ/hash, 5000 pJ/hash.
>
> Well, I thought it wasn't unfair to compare with their best machine,
> it may not be in stock, but it is in production.

All of their 28nm products appear to be in pre-order, and by my reading
of their "Launch Schedule" it's awaiting production, not in production.
(Or perhaps you know more?)

And actually, that is another major factor. The GA144 is fabricated at
180nm, which is a much larger than either 65 or 28nm.

Tristan

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Thread

Green Array energy consumption: a reality check. albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-12 15:18 +0000
  Re: Green Array energy consumption: a reality check. Tristan Plumb <firth@trstn.net> - 2014-01-12 17:02 +0000
    Re: Green Array energy consumption: a reality check. albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-12 17:27 +0000
      Re: Green Array energy consumption: a reality check. Tristan Plumb <firth@trstn.net> - 2014-01-12 22:40 +0000
        Re: Green Array energy consumption: a reality check. albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-12 23:03 +0000
          Re: Green Array energy consumption: a reality check. Paul Rubin <no.email@nospam.invalid> - 2014-01-12 16:54 -0800
  Re: Green Array energy consumption: a reality check. "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-13 02:45 -0500
    Re: Green Array energy consumption: a reality check. "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-13 02:54 -0500
      Re: Green Array energy consumption: a reality check. "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-13 02:57 -0500
    Re: Green Array energy consumption: a reality check. albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-13 12:32 +0000
      Re: Green Array energy consumption: a reality check. "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-13 09:52 -0500
        Re: Green Array energy consumption: a reality check. mszepien@gmail.com - 2014-01-19 11:01 -0800
          Re: Green Array energy consumption: a reality check. albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-19 19:38 +0000
            Re: Green Array energy consumption: a reality check. mszepien@gmail.com - 2014-01-19 13:40 -0800
              Re: Green Array energy consumption: a reality check. "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-19 17:50 -0500
                Re: Green Array energy consumption: a reality check. mszepien@gmail.com - 2014-01-20 12:55 -0800
                Re: Green Array energy consumption: a reality check. "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-20 16:34 -0500
                Re: Green Array energy consumption: a reality check. mszepien@gmail.com - 2014-01-21 04:49 -0800
                Re: Green Array energy consumption: a reality check. "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-21 10:48 -0500
                Re: Green Array energy consumption: a reality check. mszepien@gmail.com - 2014-01-21 14:37 -0800
                Re: Green Array energy consumption: a reality check. albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-22 19:30 +0000
    Re: Green Array energy consumption: a reality check. "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-27 16:26 -0500

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