Difference between revisions of "Threads and Executors"

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This assignment has been updated: [[Thread_and_Executor_Service_Assignment|Thread and ExecutorService]]
 
This assignment has been updated: [[Thread_and_Executor_Service_Assignment|Thread and ExecutorService]]
 
 
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credit for this assignment: [[User:Finn|Finn Voichick]] and [[User:cosgroved|Dennis Cosgrove]]
 
credit for this assignment: [[User:Finn|Finn Voichick]] and [[User:cosgroved|Dennis Cosgrove]]
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==Executors==
 
==Executors==
<youtube>8qh9LMhvNXI</youtube> <!-- box link: [https://wustl.box.com/s/2pqv6vsbirt6zi4304ycrh7jfgkb0dhi Executor submit and Future get]-->
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<youtube>8qh9LMhvNXI</youtube>  
 
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<youtube>tuAkLb99sLE</youtube>  
<youtube>tuAkLb99sLE</youtube> <!-- box link: [https://wustl.box.com/s/17q7xupx1tagdnnfg057teme4lbq4w6r Executor invokeAll]-->
 
  
 
===Code To Use===
 
===Code To Use===
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As always, the [[Reference_Page#Executors|wiki's reference page]] can be of help.
 
As always, the [[Reference_Page#Executors|wiki's reference page]] can be of help.
 
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===Mistake To Avoid: Do NOT call shutdown===
 
===Mistake To Avoid: Do NOT call shutdown===
 
Each method you write will be passed an executor.  You need not (and should NOT) invoke [https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html#shutdown-- shutdown()].  That is the responsibility of whoever created the executor.  For example, a JUnit test would do this if it was appropriate (i.e. it created an executor and was not using the [https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ForkJoinPool.html#commonPool-- common pool]).
 
Each method you write will be passed an executor.  You need not (and should NOT) invoke [https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html#shutdown-- shutdown()].  That is the responsibility of whoever created the executor.  For example, a JUnit test would do this if it was appropriate (i.e. it created an executor and was not using the [https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ForkJoinPool.html#commonPool-- common pool]).
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===XNucleobaseCount===
 
===XNucleobaseCount===
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{{Warning|Unlike in Sarkar's and McDowell’s videos which use inclusive maximums, CSE 231 consistently uses exclusive maximums to avoid having to subtract 1 all of the time.}}
 
{{Warning|Unlike in Sarkar's and McDowell’s videos which use inclusive maximums, CSE 231 consistently uses exclusive maximums to avoid having to subtract 1 all of the time.}}
  
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====The Core Questions====
 
*What are the tasks?
 
*What is the data?
 
*Is the data mutable?
 
*If so, how is it shared?
 
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====Code To Use====
 
====Code To Use====
 
[https://www.cse.wustl.edu/~cosgroved/courses/cse231/current/apidocs/sort/core/quick/Partitioner.html interface Partitioner]
 
[https://www.cse.wustl.edu/~cosgroved/courses/cse231/current/apidocs/sort/core/quick/Partitioner.html interface Partitioner]

Latest revision as of 19:40, 22 February 2022

This assignment has been updated: Thread and ExecutorService