From kenmac Thu Oct  5 10:16:47 -0400 2000
From: "Kenneth M. Mackenzie" <kenmac@midway.cc.gatech.edu>
To: gte220x@prism, gte584f@prism, gt4947c@prism, gt8230b@prism, gte225u@prism, gte211q@prism, gte020r@prism, gte534w@prism, gte572q@prism, gte463q@prism, gt9182b@prism, gt0178f@prism, gt6645f@prism, gte823q@prism, gte148r@prism, gte909q@prism, gt5231a@prism, gte930q@prism, gte829m@prism, gte163i@prism, gt5193d@prism, gte182g@prism, gt7150b@prism, gte409s@prism, gte161h@prism, gt5809a@prism, gt6671b@prism, gt7116c@prism, pp
In-reply-to: <5.0.0.25.0.20001004230535.009d83b0@mail.mindspring.com> (message
	from shane garrett on Wed, 04 Oct 2000 23:41:59 -0400)
Subject: Re: 4290: Question on Probelm 1
Reply-to: kenmac@cc.gatech.edu
References:  <5.0.0.25.0.20001004230535.009d83b0@mail.mindspring.com>

Hi,

  A note on Homework 4:  

  Problem 4.5 says to use unrolling to eliminate delays but I think
it's impossible to eliminate delays with *only* unrolling.  You have
to use some other trick as well, such as software pipelining or taking
advantage of the associativity of addition.

-- Ken