Advanced Topics in Programming Languages: A Lock-Free Hash Table

java hashtable tutorial

Advanced Topics in Programming Languages: A Lock-Free Hash Table

Descripcion del Video
Google Tech Talks March 28, 2007 ABSTRACT I present a lock-free concurrent Hash Table implementation with better single-thread performance than most Hash Tables, and better multi-thread performance than all other implementations I tried. I demonstrate scaling up to 768 CPUs even with high mutation rates. I show correctness by looking at the problem in a very different light than the usual "happens-before" / memory-order / fencing style of thinking. Speaker: Dr. Cliff Click Dr. Cliff Click, Azul Systems. Chief JVM Architect, Distinguished Engineer With more than twenty-five years experience developing compilers Cliff serves as Azul Systems' Chief JVM Architect. Cliff joined Azul in 2002 from Sun Microsystems where he was the architect and lead developer of the HotSpot Server Compiler, a technology that has delivered dramatic improvements in Java performance since its inception. Previously he was with Motorola where he helped deliver industry leading SpecInt2000 scores on PowerPC chips, and before that he researched compiler technology at HP Labs. Cliff has been writing optimizing compilers and JITs for over 15 years. He is invited to speak regularly at industry and academic conferences, and has published many papers about HotSpot technology. Cliff holds a PhD in Computer Science from Rice University. Google engEDU Speaker: Cliff Click

Java Hash Table

Descripcion del Video
Get the Code Here: e to my Java Hash Table tutorial. A Hash Table is a data structure offers fast insertion and searching capabilities. The negative is that they are limited in size because they are based on arrays. They are also hard to order. People get confused about them because of the Hash Function. A hash function is used to generate a unique key for every item in the array. Since every item is entered using a calculation, this allows you to reverse the calculation to immediately find the proper index. This way you can find items without the need to search through the whole array.

Introduction To Hash Tables Part 1 (beta)

Descripcion del Video
An introduction to open addressing hash tables.

CS 61B Lecture 21: Hash Tables

Descripcion del Video
CS 61B: Data Structures - Fall 2006 Instructor Jonathan Shewchuk Fundamental dynamic data structures, including linear lists, queues, trees, and other linked structures; arrays strings, and hash tables. Storage management. Elementary principles of software engineering. Abstract data types. Algorithms for sorting and searching. Introduction to the Java programming language. www.cs.berkeley.edu

Java 28 - HashTable

Descripcion del Video
Learn about using the HashTable in java

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