24-28 August 2020
US/Pacific timezone

Kludging The editor with The compiler

27 Aug 2020, 08:30
25m
GNU Tools track/Virtual-Room (LPC 2020)

GNU Tools track/Virtual-Room

LPC 2020

150
GNU Tools Track GNU Tools Track

Speaker

Mr Andrea Corallo (Arm)

Description

Emacs Lisp (Elisp) is the Lisp dialect used by the Emacs text editor
family. GNU Emacs can currently execute Elisp code either interpreted
or byte-interpreted after it has been compiled to byte-code. In this
presentation I'll discuss the libgccjit based Elisp compiler
implementation being integrated in Emacs. Though still a work in
progress, this implementation is able to bootstrap a functional Emacs
and compile all Emacs Elisp files, including the whole GNU Emacs
Lisp Package Archive (ELPA). Native compiled Elisp shows an increase of
performance ranging from ~2x up to ~40x with respect to the equivalent
byte-code, measured over a set of small benchmarks.

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