Lab 3 -- Regrade/redo opportunity

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David L. Rager

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Dec 2, 2009, 3:49:21 PM12/2/09
to utexas-cs352-fall2009
Hi CS 352 Students,

There were two "common mistakes" that sunk students' grades: (1) Not
passing the y86-prog predicate due to using a negative constant and
(2) not calling rsum recursively.

We've decided to let students who made the first mistake request a
regrade of their section, during which I will overlook the mistake for
half credit. To make such a request, you need to respond to me (not
the mailing list) in this thread. Just hit "reply to author" (not
"reply to all") and it should work. As a maximum, you'll get 12.5
points back for sum, 12.5 points back for rsum, 12.5 points back for
copy, and 12.5 points back for your optimization performance.

We've also decided that students who made the second mistake but
otherwise had rsum working, to implement the recursion and turn it in
again for half credit. If you submit such a correction, you're not
allowed to change things that affect register conventions, whether you
called the function with pushed arguments, etc. We know ya'll are
busy, and we want this procedure to take less than 15 minutes. Also,
to allow you to correct those other mistakes would give you too much
credit and effectively penalize those who did it right the first time.
As a maximum, you'll get 12.5 points back for rsum.

To turnin your rsum correction type:

turnin --submit ragerdl lab3-redo rsum.lisp


If you made both mistakes, you should both email me a request and turn
in a new rsum.lisp.


For simplicity's sake, the requests and correction (if applicable) are
due the same time as lab 4, Friday December 4, noon. I've spent about
four hours answering emails in the last 24 hours, so I will probably
not respond to let you know I received your email. Once it occurs, I
will email "I regraded your lab 3" information to your UTCS email
account.

David

David L. Rager

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Dec 6, 2009, 4:10:18 PM12/6/09
to utexas-cs352-fall2009
Hi CS 352 Students,

The lab 3 regrades should all be processed and updated in utdirect.
Please let me know if you see an inconsistency.

David
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