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Cliff Click

Profile page created Dec 02, 2008

Leader, Founder, Doer, Coder, Father
Cliff Click blogs at http://cliffc.org/blog

Summary

Cliff Click was the CTO of Neurensic, and CTO and Co-Founder of h2o.ai - an open source math and machine learning engine for Big Data. Cliff wrote his first compiler when he was 15 (Pascal to TRS Z-80!), although Cliff’s most famous compiler is the HotSpot Server Compiler (the Sea of Nodes IR). That compiler showed the world that JIT-ting high quality code was possible, and was at least partially responsible for bringing Java into the mainstream. Cliff helped Azul Systems build an 864 core pure-Java mainframe that keeps GC pauses on 500Gb heaps to under 10ms, and worked on all aspects of that JVM. Cliff is invited to speak regularly at industry and academic conferences and has published many papers about HotSpot technology. He holds a PhD in Computer Science from Rice University and about 20 patents.

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