| April 14 | I'm going to submit marks tomorrow. Also I'm going to
waive the requirement listed on the outline that says you need 60% on your
assignments to get 60% in the course. |
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| April 11 | All final exams have been marked. I'll submit the
final grades for the course as soon as assignment 4 is finished marking.
Thanks for all the effort you guys put into the course! |
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| April 9 | FYI I have a friend's birthday celebrations tonight
(I tried to get her to be born on a different day, no go). If you send me an
email tonight you will likely not get a response until very late. Sorry about
that. |
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| April 9 | Final exam study help: assuming 4kB page size and
assuming we have 2 frames of RAM to hold x and y which are initially empty
(and x and y start on page boundaries),
how many page faults would we have in exam-prep-5.c
if we were using (a) Belady's algorithm; and (b) Least Recently Used?
Here's the answer. |
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| April 8 | Final exam study help: how many page faults are
created by exam-prep-4.c? Assume that the call
to malloc makes a system call to brk() for the full 65536 bytes and that
the memory we get back starts on a page boundary. Assume pages are 4kB in
size. Also assume there are no page faults caused by swapping pages
in/out from/to disk.Here's the
answer. |
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| April 8 | Final exam study help: can you solve exam-prep-3.html questions using deadlock
graphs? Here are the answers. |
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| April 8 | Final exam study help: which of the
functions in exam-prep-2.c are reentrant? Here are the answers. We're not really
concerned with the distinction between "reentrant" and "thread-safe"
on the exam. |
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| April 7 | Final exam study help: can you use a resource
trajectory to determine if exam-prep-1.c could
potentially get deadlocked? Here's the
answer. |
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| April 6 | Final exam study help: what is the output of
exam-prep-0.c? I had to take this one off the
exam because it's too long, but there's a good chance a simpler variant
will show up on the exam. |
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| April 5 | There's a form-fillable PDF of the assignment submission form up which
would be a good idea to use for your assignment 4. So long as you're good
about writing comments at the top of your code (name, student number, etc.)
you won't lose any marks for not using this form. |
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| March 25 | Assignment 4 is up. |
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| March 23 | Here is my solution
to assignment #3. You may use it as a starting point for assignment #4
if you wish (though it's not required). If you do decide to use it, please
make it clear which code is yours and which is mine. |
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