CSE 30 Web Page
Welcome to the CSE 30 class web page for fall 1998. Readings,
homework/project handouts, answers to clarification questions, and
other cource administrivia will be available here. I will try to give
no paper handouts to avoid killing trees;
everything from handouts to lecture notes
will be on-line, and these Web pages will be archived (or you can dump
them into a floppy) at the end of the quarter.
Be sure to check this page periodically. If you have a machine where
you are logged on continuously, remember to reload
this page to prevent your browser from displaying old information
saved in its cache. I will try to get
notes for lectures on-line within a couple of days of class. I will
also update pages with clarifications as I receive questions.
Check out the .align assembler directive (in the Larus
handout) if you're getting alignment-generated exceptions.
Note: I will ignore all email from the
patron account from the library unless a proper return
address is provided. In your electronic correspondences, always
include your class account's login name.
bsy will be out of town on the 7th and 8th, but outside of that you
may drop by if you have questions.
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Web pages still being worked on are marked with 
. Newly
modified pages will be marked with .
Administrivia
Textbooks, office hours, etc are in a
separate page; changes from those noted
in the first handout will be noted
there.
The final is scheduled to take place on Dec 11th from 11:30am to
2:30pm. It is closed book -- but you may bring your copy of the Larus
handout -- and open notes, except that you are restricted to 2 sheets
of 8.5x11 paper. You may write on both sides of each sheet. You can
bring magnifying glasses but no microscopes. To prepare for the
final, in addition to reading the web pages here, you may also wish to
examine the web page from CSE 30 fall last
year when I previously taught this course. The previous midterm and
final with answers are available there.
On-line lecture summaries:
Note: Table 3.11 in Patterson & Hennessey is
wrong; the a registers are caller preserved. A-24 and other
references agree that that is the proper convention.
Use the following timing for mult and div.
| Implementation | mult | multu | div | divu |
|---|
| R2000 | 12 | 12 | 35 | 35 |
| R3000 | 12 | 12 | 35 | 35 |
| R4000 | 10 | 10 | 69 | 69 |
| R6000 | 17 | 18 | 38 | 37 |
Unless otherwise specified, all assignments are due before class in
one week from the day they were given out.
Assignment Handouts / Statistics
For your amusement / edification, you may wish to read an old
story about how
``real
programmers' used to write programs on old machines. This is
not material that will be in the midterm.
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When you read the lecture notes, don't be shy about trying out the
stuff being discussed. You can have the Web browser window
side-by-side with xspim or a shell window and try things out as you
read these notes. Better yet, hypothesize / deduce how things should
work as you read these notes, and interactively verify them
(experimental approach).
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See also: Emailed/Office Hour Questions and Answers
Page.
Course Outline
The following is a rough description, in time order, of where we are
going. This will change with available time, class interest, etc.
- One instruction computer -- a theoretical instruction set.
Introduces MACROS, instruction set encoding. Also more discussion of
RISC versus CISC, representation of negative numbers (Ch 4). Most of
this is not in the textbook.
- Compilers and assemblers.
- MIPS instruction set. Chapter 3.
- Virtual memory. Chapter 7.
- SPIM software emulator. Appendix A.
- Proofs of correctness. Not in book.
- Performance metrics. Chapter 2.
- Optimization techniques: better algorithms, strength reduction,
recoding in assembler, loop unrolling. Not in book.
- Pipelining. Chapter 6.
- Software threads. Not in book.
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bsy+www@cs.ucsd.edu, last updated Mon Dec 14 02:06:41 PST 1998.
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