[Pafgbt] PAF beamformer size and cost

[Jonathan Landon]

That sounds like a question with a really long answer.  I'll ask at the CASPER meeting today if there's an obvious way to approach it.  Don Backer's group is currently using a 32-element correlator, so I would think the cost for a 38-element beamformer would be similar.
Jonathan


--- On Wed, 2/3/10, Rick Fisher <rfisher at nrao.edu> wrote:

From: Rick Fisher <rfisher at nrao.edu>
Subject: [Pafgbt] PAF beamformer size and cost
To: pafgbt at nrao.edu
Date: Wednesday, February 3, 2010, 2:05 PM

This is an incomplete question, but maybe we can beat it into something 
answerable:  Do we know enough about existing applications on CASPER 
hardware to make a conservative estimate of what it would cost to build a 
PAF beamformer with a given set of specs?  I'm looking for at least two 
estimates.  What is a realistic set of specs for the first science PAF 
beamformer, and what would the dream machine that would make a big 
scientific impact cost?  You're welcome to define the specs that go with 
either of these two questions or I'll start defining them by thinking "out 
loud".  The first science beamformer will guide the initial system design, 
and the dream machine will help get a handle on longer range expectations.

Cheers,
Rick

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