Completed
cleanup and simplify
Class Central Classrooms beta
YouTube videos curated by Class Central.
Classroom Contents
Compiling Java Bytecode to JavaScript - An Interesting Problem
Automatically move to the next video in the Classroom when playback concludes
- 1 Intro
- 2 JOA EBERT JVM/IS
- 3 aot vs jit
- 4 different optimizations
- 5 OPTIMISTIC ASSUMPTIONS
- 6 DEOPTIMIZATIONS
- 7 CLASSLOADER SUPPORT
- 8 workers RUN COSTLY OPTIMIZATIONS IN BACKGROUND
- 9 browser concentrates on user code
- 10 java is statically typed
- 11 we have a tracing compiler
- 12 scales across platforms
- 13 LABELED BLOCKS CONSIDERED EVIL!!11!
- 14 #SEMANTICS
- 15 impl jvm semantics for js
- 16 don't add too much overhead
- 17 class initializer
- 18 instance initialization
- 19 numerics
- 20 SIMPLIFY SIMPLIFY SIMPLIFY
- 21 10fps difference in v8
- 22 prototype voodoo
- 23 undefined === null //?
- 24 5x in firefox for richards benchmark
- 25 MORAL OF THE STORY?
- 26 should mimic
- 27 cleanup and simplify
- 28 take shortcuts
- 29 ABuse what's available
- 30 test and measure
- 31 MEASURE!
- 32 #OPTIMIZER
- 33 which one to use?
- 34 blink, servo, firefox ...
- 35 spec bugs & inconsistencies
- 36 always check for types
- 37 #DISPLAYLIST
- 38 optimize based on heuristic
- 39 cache vertices and culling information
- 40 COMANCHE
- 41 HEISENBERG
