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Just-in-Time Compiling Ruby Regexps on TruffleRuby

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Overview

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This talk explains how TruffleRuby uses Truffle Regex and finite-state machines to JIT-compile Ruby regular expressions to machine code. It examines supported regexp features, performance benchmarks, and regular expression denial of service.

Syllabus

Introduction
TruffleRuby
Background on regex engines
Finite State Machines
Regular Expressions
TRegex
Infinite Quantifiers
Capture Groups
Supported Features
Unsupported Features
The Loop
The State Machine
Performance
Micro benchmarks
Large benchmarks
Regular expression denial of service
Atomic groups
Conclusion
Outro

Taught by

Ruby Central

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