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ianweatherhogg : hash   72

How does a HashMap work in JAVA - Coding Geek
I’ll explain the implementation of HashMap, present what’s new in the JAVA 8 implementation and talk about performance, memory and known issues.
java  hash  map 
september 2017 by ianweatherhogg
Shard Your Hash Table To Reduce Write Locks
By sharding a hashtable we can reduce the scope of write locks for improved concurrency
go  hash  table  shard  writer  lock  optimization  4* 
june 2015 by ianweatherhogg
Ctrie Data Structure
Description of the Ctrie data structure - a lock-free, concurrent map with atomic, constant-time snapshots.
presentation  scala  functional  data  structure  hash  array  map  trie 
may 2015 by ianweatherhogg
Secure Salted Password Hashing - How to do it Properly
How to hash passwords properly using salt. Why hashes should be salted and how to use salt correctly.
password  hash  hacking  dictionary  table  salt  c  java  5* 
july 2014 by ianweatherhogg
Tyblog | Please stop hashing passwords
You should stop hashing passwords, and use cyptographically secure password obsfucation methods instead.
password  hash  entropy  security  5*  check  sum 
may 2014 by ianweatherhogg
Consistent Hashing in Clojure
I wrote this post to teach myself consistent hashing - a simple hash family that Akamai's founders came up with. This was originally done to prepare for a talk in my grad algorithms class (I made a horlicks of the talk but whatever). I am going to provide intuition, analysis and a clojure implementation. ...
clojure  consistent  hash  data  visualization 
may 2014 by ianweatherhogg
gregory david collins: Announcing: "hashtables", a new Haskell library for fast mutable hash tables
Brilliant article - information galore, algorithms, performance, caching, benchmarking - computer science condensed in to a nugget of an article
haskell  criterion  5*  hash  cache  benchmark 
june 2011 by ianweatherhogg
Ben Lynn: Openly Geeky: Trees, Hash Tables and Tries
Interesting - what criteria is performance measured?
hash  3*  algorithm  trie 
april 2011 by ianweatherhogg

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