An Optimizing Java JIT

Event Sponsor: 
Argonne Leadership Computing Facility Seminar
Start Date: 
Dec 19 2018 - 1:00pm
Building/Room: 
Building 240/Room 4301
Location: 
Argonne National Laboratory
Speaker(s): 
Philip Reames
Speaker(s) Title: 
Azul Systems, Inc.
Host: 
Hal Finkel

Over the last five years, we at Azul have developed and shipped a LLVM based just-in-time compiler within the Zing Java Virtual Machine. Falcon is the default optimizing compiler for Zing and is in widespread production use. This talk will focus on the overall design of Falcon and then explore lessons for converting high-level language abstractions into code which can be optimized well, in practice, by LLVM. The focus of the discussion will be on loop optimization, specifically techniques for normalizing loop structures into patterns handled by the existing – but relatively fragile – loop vectorizer with minimal ex tension.

Miscellaneous Information: 

This seminar will be streamed, see details at https://anlpress.cels.anl.gov/mcs-streaming-seminars.

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