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An Introduction to JVM Performance

Devoxx via YouTube

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This session explores how HotSpot’s just-in-time compiler and computer hardware affect Java performance. It covers common JVM optimizations and how to reason about Java performance and measure runtime.

Syllabus

Introduction
Disclaimer
The Java Program Model
Hotspot
Overview
Callside
Virtual Method Table
Caches
Monomorphic
Mono and Megamorphic
Inlining
Double braced initialization
Micro optimization
Loop unrolling
Hidden classes
Escape Analysis
Dead Code Elimination

Taught by

Devoxx

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