====== Week 4 ======

~~NOTOC~~


===== Lecture Notes =====

**Critical Sections**

  * Ben-Ari Ch 3 
    * slides: {{slides.pdf|PDF}}
      * begin slide 3.1, p. 50


**Semaphores**

  * Ben-Ari Ch 6
    * slides: {{slides.pdf|PDF}}
      * begin slide 6.1, p. 111


===== Homework =====

  * Written HW: Ben-Ari p. 39: 
    * Exercises 2, 3, and 4
    * Due: today!  Mon, Sep 19, 11:59pm
    * **Note:** this is //not// a programming assignment, and not Programming Assignment 2, which is found below.
    * Please hand in a paper copy --- in class or in the bin outside my office door

===== UPC =====

  * Unified Parallel C
  * see resources in sidebar
  * tutorial introduction  (cont'd)


 
===== Programming Assignment 2 =====

  * UPC Exercises 1.1 through 1.7
  * Due: Mon, Sep 26
  * Here's a link: [[https://www.cs.vassar.edu/~cs377/private/|private]]
  * Hints (see these from [[week3|Week 3]])