Packages with the jit use flag

Global definition: Enable just-in-time compilation for improved performance. May prevent use of some PaX memory protection features in Gentoo Hardened..

app-antivirus / clamav : Clam Anti-Virus Scanner

app-arch / zpaq : Journaling incremental deduplicating archiving compressor

app-editors / emacs : The extensible, customizable, self-documenting real-time display editor

  • Compile with Emacs Lisp native compiler support via libgccjit

app-emulation / aranym : Atari Running on Any Machine, VM running Atari ST/TT/Falcon OS and TOS/GEM apps

  • Build Just-In-Time compiler variant with increased performance

app-emulation / fs-uae : Integrates the most accurate Amiga emulation code available from WinUAE

dev-lang / gnat-gpl : GNAT Ada Compiler - GPL version

dev-lang / moarvm : A 6model-based VM for NQP and Raku

  • Enable Just-In-Time-Compiler. Has no effect except on AMD64 and Darwin.

dev-lang / php : The PHP language runtime engine

  • Enable PCRE JIT support

dev-lang / ruby : An object-oriented scripting language

dev-lang / spidermonkey : SpiderMonkey is Mozilla's JavaScript engine written in C and C++

dev-libs / libpcre : Perl-compatible regular expression library

dev-libs / libpcre2 : Perl-compatible regular expression library

dev-python / pypy : A fast, compliant alternative implementation of the Python language

dev-python / pypy-exe : PyPy executable (build from source)

dev-python / pypy3 : A fast, compliant alternative implementation of the Python (3.9) language

dev-python / pypy3-exe : PyPy3 executable (build from source)

dev-qt / qtdeclarative : Qt Declarative (Quick 2)

dev-qt / qtscript : Application scripting library for the Qt5 framework (deprecated)

dev-scheme / guile : GNU Ubiquitous Intelligent Language for Extensions

dev-scheme / racket : General purpose, multi-paradigm Lisp-Scheme programming language

games-emulation / melonds : Nintendo DS emulator, sorta

mail-filter / rspamd : Rapid spam filtering system

  • Enable PCRE JIT support

net-proxy / privoxy : A web proxy with advanced filtering capabilities for enhancing privacy

  • Enable PCRE jit (recommended)

sci-libs / XNNPACK : library of floating-point neural network inference operators

  • Build with JIT micro-kernels

sys-devel / gcc : The GNU Compiler Collection

  • Enable libgccjit so other applications can embed gcc for Just-In-Time compilation.

www-apache / mod_security : Application firewall and intrusion detection for Apache

  • Add support for the PCRE Just-in-Time optimisation, as enabled by dev-libs/libpcre with jit USE flag enabled. Might not be available on hardened systems.

www-servers / varnish : Varnish is a state-of-the-art, high-performance HTTP accelerator