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Welcome to the wiki for CSE 231 Introduction to Parallel and Concurrent Programming at Washington University in St. Louis.

Final Exam

Students in the 1:00-2:30 Section may take the exam on Monday if they inform the instructor sufficiently in advance so that a test can be printed.

It should go without saying, but do NOT show up to the final on Monday out of breath with some crazy excuse about how you can't take the exam today and ask to be able to take it on Monday.

1:00-2:30 Section

Wednesday, 12/20 from 1:00-3:00 p.m. will be held in Simon Hall, Room 018

2:30-4:00 Section

Monday, 12/18 from 3:30 - 5:30 p.m. will be held in Simon Hall, Room 018


Click here to visit our calendar.

Studios and Assignments

These studios and assignments are organized in chronological order.

  1. Assignment: Nucleobase Counting
  2. Assignment: SimpleList and SimpleMap Assignment
  3. Assignment: Threads and Executors
  4. Assignment: MapReduce
  5. Assignment: N-Queens/Sudoku Assignment
  6. Assignment: K-MerCounting Assignment



Habanero Content Assist

Lambda Content Assist


upper lower split

integer range

Getting Around Finality

N-Way Split

Parallel N-Way Split


Divide and Conquer





Every week, we gather the most commonly asked questions from your Q&S forms and add them to our FAQ section. Please use it as a resource!

Course Setup

We will use educational videos made by Rice University as prep work for the course. Sign up for an account here.

You will also need to set up some software for the course. Refer to the articles below for help.

Help with Java

Help with Habanero

Help with Eclipse

Math That Somehow Proves Problematic


Class Policies and Grading Breakdown

Grading breakdown:

note: assignment percentages corrected to add up to 40%