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01:18:44

Order Notation in Practice

Posted by Roger Orr  on  Jun 18, 2014 1

Roger Orr solves a problem with different levels of complexity trying to answer what the complexity notation actually means and why it is important in practice.

42:59

Revealing the Uncommonly Common with Elasticsearch

Posted by Mark Harwood  on  Apr 08, 2014

Mark Harwood shows how anomaly detection algorithms can spot card fraud, incorrectly tagged movies and the UK's most unexpected hotspot for weapon possession.

38:16

Top 10 Performance Gotchas in Scaling In-memory Algorithms

Posted by SriSatish Ambati  on  Mar 20, 2014

SriSatish Ambati shares tips for in-memory algorithms, discussing I/O, S3 resets, muxers, primitive byte arrays, non-blocking structures, and fork/join queues.

41:14

Machine Learning & Recommender Systems at Netflix Scale

Posted by Xavier Amatriain  on  Jan 16, 2014

Xavier Amatriain discusses the machine learning algorithms and architecture behind Netflix' recommender systems, offline experiments and online A/B testing.

51:53

Lock-Free Algorithms For Ultimate Performance

Posted by Martin Thompson  on  Apr 02, 2013

Martin Thompson discusses the need to measure what’s going on at the hardware level in order to be able to create high performing lock-free algorithms.

The Algorithms Still Count

Posted by Shawn Wallace  on  Jul 13, 2012 2

Shawn Wallace takes a look at several problems explaining how to evaluate possible solutions and to compare with each other.

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