v8/AUTHORS
Charles Kerr 2e2dc986e9 perf: make GetPositionInfoSlow() faster
Halve the number of lookups in ExtractLocationForJSFunction() by calling
GetPositionInfo() directly instead of making separate calls for column
and line number.

Improve the efficiency of position lookups in slow mode. The current
code does a linear walk through the source by calling String::Get() for
each character. This PR also does a linear walk, but avoids the overhead
of multiple Get() calls by pulling the String's flat content into a
local vector and walking through that.

Downstream Electron discussion of this can be found at
https://github.com/electron/electron/issues/24509

Apologies in advance if I've missed anything; this is my first V8 CL...

Change-Id: I22b034dc1bfe967164d2f8515a9a0c1d7f043c83
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2496065
Commit-Queue: Simon Zünd <szuend@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70783}
2020-10-27 07:15:01 +00:00

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# Below is a list of people and organizations that have contributed
# to the V8 project. Names should be added to the list like so:
#
# Name/Organization <email address>
Google Inc. <*@google.com>
The Chromium Authors <*@chromium.org>
Sigma Designs Inc. <*@sdesigns.com>
ARM Ltd. <*@arm.com>
Hewlett-Packard Development Company, LP <*@palm.com>
Igalia, S.L. <*@igalia.com>
Joyent, Inc. <*@joyent.com>
Bloomberg Finance L.P. <*@bloomberg.net>
NVIDIA Corporation <*@nvidia.com>
BlackBerry Limited <*@blackberry.com>
Opera Software ASA <*@opera.com>
Intel Corporation <*@intel.com>
LG Electronics, Inc. <*@lge.com>
Microsoft <*@microsoft.com>
MIPS Technologies, Inc. <*@mips.com>
Imagination Technologies, LLC <*@imgtec.com>
Wave Computing, Inc. <*@wavecomp.com>
Loongson Technology Corporation Limited <*@loongson.cn>
Code Aurora Forum <*@codeaurora.org>
Home Jinni Inc. <*@homejinni.com>
IBM Inc. <*@*.ibm.com>
IBM Inc. <*@ibm.com>
Red Hat Inc. <*@redhat.com>
Samsung <*@*.samsung.com>
Samsung <*@samsung.com>
Joyent, Inc <*@joyent.com>
RT-RK Computer Based System <*@rt-rk.com>
Amazon, Inc <*@amazon.com>
ST Microelectronics <*@st.com>
Yandex LLC <*@yandex-team.ru>
StrongLoop, Inc. <*@strongloop.com>
Facebook, Inc. <*@fb.com>
Facebook, Inc. <*@oculus.com>
Vewd Software AS <*@vewd.com>
Groupon <*@groupon.com>
Meteor Development Group <*@meteor.com>
Cloudflare, Inc. <*@cloudflare.com>
Julia Computing, Inc. <*@juliacomputing.com>
CodeWeavers, Inc. <*@codeweavers.com>
Aaron Bieber <deftly@gmail.com>
Aaron O'Mullan <aaron.omullan@gmail.com>
Abdulla Kamar <abdulla.kamar@gmail.com>
Adam Kallai <kadam@inf.u-szeged.hu>
Akinori MUSHA <knu@FreeBSD.org>
Alessandro Pignotti <alessandro@leaningtech.com>
Alex Kodat <akodat@rocketsoftware.com>
Alexander Botero-Lowry <alexbl@FreeBSD.org>
Alexander Karpinsky <homm86@gmail.com>
Alexander Neville <dark@volatile.bz>
Alexandre Vassalotti <avassalotti@gmail.com>
Alexis Campailla <alexis@janeasystems.com>
Allan Sandfeld Jensen <allan.jensen@qt.io>
Amos Lim <eui-sang.lim@samsung.com>
Andreas Anyuru <andreas.anyuru@gmail.com>
Andrew Paprocki <andrew@ishiboo.com>
Andrei Kashcha <anvaka@gmail.com>
Anna Henningsen <anna@addaleax.net>
Anton Bikineev <ant.bikineev@gmail.com>
Bangfu Tao <bangfu.tao@samsung.com>
Daniel Shelton <d1.shelton@samsung.com>
Ben Coe <bencoe@gmail.com>
Ben Newman <ben@meteor.com>
Ben Noordhuis <info@bnoordhuis.nl>
Benjamin Tan <demoneaux@gmail.com>
Bert Belder <bertbelder@gmail.com>
Burcu Dogan <burcujdogan@gmail.com>
Caitlin Potter <caitpotter88@gmail.com>
Craig Schlenter <craig.schlenter@gmail.com>
Charles Kerr <charles@charleskerr.com>
Chengzhong Wu <legendecas@gmail.com>
Choongwoo Han <cwhan.tunz@gmail.com>
Chris Nardi <hichris123@gmail.com>
Christopher A. Taylor <chris@gameclosure.com>
Colin Ihrig <cjihrig@gmail.com>
Cong Zuo <zckevinzc@gmail.com>
Daniel Andersson <kodandersson@gmail.com>
Daniel Bevenius <daniel.bevenius@gmail.com>
Daniel James <dnljms@gmail.com>
David Carlier <devnexen@gmail.com>
David Manouchehri <david@davidmanouchehri.com>
Deepak Mohan <hop2deep@gmail.com>
Deon Dior <diaoyuanjie@gmail.com>
Dominic Farolini <domfarolino@gmail.com>
Douglas Crosher <dtc-v8@scieneer.com>
Dusan Milosavljevic <dusan.m.milosavljevic@gmail.com>
Eric Rannaud <eric.rannaud@gmail.com>
Erich Ocean <erich.ocean@me.com>
Evan Lucas <evan.lucas@help.com>
Fedor Indutny <fedor@indutny.com>
Felix Geisendörfer <haimuiba@gmail.com>
Filipe David Manana <fdmanana@gmail.com>
Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Geoffrey Garside <ggarside@gmail.com>
Gergely Nagy <ngg@ngg.hu>
Gilang Mentari Hamidy <gilang@hamidy.net>
Gus Caplan <me@gus.host>
Gwang Yoon Hwang <ryumiel@company100.net>
Hannu Trey <hannu.trey@gmail.com>
Henrique Ferreiro <henrique.ferreiro@gmail.com>
Hirofumi Mako <mkhrfm@gmail.com>
Honggyu Kim <honggyu.kp@gmail.com>
Huáng Jùnliàng <jlhwung@gmail.com>
HyeockJin Kim <kherootz@gmail.com>
Iain Ireland <iireland@mozilla.com>
Ingvar Stepanyan <me@rreverser.com>
Ioseb Dzmanashvili <ioseb.dzmanashvili@gmail.com>
Isiah Meadows <impinball@gmail.com>
Jaime Bernardo <jaime@janeasystems.com>
Jan de Mooij <jandemooij@gmail.com>
Jan Krems <jan.krems@gmail.com>
Janusz Majnert <jmajnert@gmail.com>
Jay Freeman <saurik@saurik.com>
James Pike <g00gle@chilon.net>
James M Snell <jasnell@gmail.com>
Javad Amiri <javad.amiri@anu.edu.au>
Jianghua Yang <jianghua.yjh@alibaba-inc.com>
Jiawen Geng <technicalcute@gmail.com>
Jiaxun Yang <jiaxun.yang@flygoat.com>
Joel Stanley <joel@jms.id.au>
Johan Bergström <johan@bergstroem.nu>
Jonathan Liu <net147@gmail.com>
Julien Brianceau <jbriance@cisco.com>
Junha Park <jpark3@scu.edu>
JunHo Seo <sejunho@gmail.com>
Junming Huang <kiminghjm@gmail.com>
Kang-Hao (Kenny) Lu <kennyluck@csail.mit.edu>
Karl Skomski <karl@skomski.com>
Kevin Gibbons <bakkot@gmail.com>
Kris Selden <kris.selden@gmail.com>
Kyounga Ra <kyounga@alticast.com>
Loo Rong Jie <loorongjie@gmail.com>
Luis Reis <luis.m.reis@gmail.com>
Luke Zarko <lukezarko@gmail.com>
Maciej Małecki <me@mmalecki.com>
Marcel Laverdet <marcel@laverdet.com>
Marcin Cieślak <saper@marcincieslak.com>
Marcin Wiącek <marcin@mwiacek.com>
Martin Bidlingmaier <martin.bidlingmaier@gmail.com>
Mateusz Czeladka <mateusz.szczap@gmail.com>
Matheus Marchini <mat@mmarchini.me>
Matheus Marchini <mmarchini@netflix.com>
Mathias Bynens <mathias@qiwi.be>
Matt Hanselman <mjhanselman@gmail.com>
Matthew Sporleder <msporleder@gmail.com>
Maxim Mazurok <maxim@mazurok.com>
Maxim Mossienko <maxim.mossienko@gmail.com>
Michael Lutz <michi@icosahedron.de>
Michael Mclaughlin <m8ch88l@gmail.com>
Michael Smith <mike@w3.org>
Michaël Zasso <mic.besace@gmail.com>
Mike Gilbert <floppymaster@gmail.com>
Mike Pennisi <mike@mikepennisi.com>
Mikhail Gusarov <dottedmag@dottedmag.net>
Milton Chiang <milton.chiang@mediatek.com>
Mu Tao <pamilty@gmail.com>
Myeong-bo Shim <m0609.shim@samsung.com>
Nicolas Antonius Ernst Leopold Maria Kaiser <nikai@nikai.net>
Niklas Hambüchen <mail@nh2.me>
Noj Vek <nojvek@gmail.com>
Oleksandr Chekhovskyi <oleksandr.chekhovskyi@gmail.com>
Oliver Dunk <oliver@oliverdunk.com>
Paolo Giarrusso <p.giarrusso@gmail.com>
Patrick Gansterer <paroga@paroga.com>
Peng Fei <pfgenyun@gmail.com>
Peng-Yu Chen <pengyu@libstarrify.so>
Peter Rybin <peter.rybin@gmail.com>
Peter Varga <pvarga@inf.u-szeged.hu>
Peter Wong <peter.wm.wong@gmail.com>
Paul Lind <plind44@gmail.com>
Pavel Medvedev <pmedvedev@gmail.com>
PhistucK <phistuck@gmail.com>
Qingyan Li <qingyan.liqy@alibaba-inc.com>
Qiuyi Zhang <qiuyi.zqy@alibaba-inc.com>
Rafal Krypa <rafal@krypa.net>
Raul Tambre <raul@tambre.ee>
Ray Glover <ray@rayglover.net>
Refael Ackermann <refack@gmail.com>
Rene Rebe <rene@exactcode.de>
Rick Waldron <waldron.rick@gmail.com>
Rob Wu <rob@robwu.nl>
Robert Meijer <robert.s.meijer@gmail.com>
Robert Mustacchi <rm@fingolfin.org>
Robert Nagy <robert.nagy@gmail.com>
Rong Wang <wangrong089@gmail.com>
Ross Kirsling <rkirsling@gmail.com>
Ruben Bridgewater <ruben@bridgewater.de>
Ryan Dahl <ry@tinyclouds.org>
Sakthipriyan Vairamani (thefourtheye) <thechargingvolcano@gmail.com>
Sander Mathijs van Veen <sander@leaningtech.com>
Sandro Santilli <strk@keybit.net>
Sanjoy Das <sanjoy@playingwithpointers.com>
Seo Sanghyeon <sanxiyn@gmail.com>
Shawn Anastasio <shawnanastasio@gmail.com>
Shawn Presser <shawnpresser@gmail.com>
Stefan Penner <stefan.penner@gmail.com>
Sylvestre Ledru <sledru@mozilla.com>
Taketoshi Aono <brn@b6n.ch>
Teddy Katz <teddy.katz@gmail.com>
Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Tobias Burnus <burnus@net-b.de>
Tobias Nießen <tniessen@tnie.de>
Ujjwal Sharma <usharma1998@gmail.com>
Vadim Gorbachev <bmsdave@gmail.com>
Varun Varada <varuncvarada@gmail.com>
Victor Costan <costan@gmail.com>
Vlad Burlik <vladbph@gmail.com>
Vladimir Krivosheev <develar@gmail.com>
Vladimir Shutoff <vovan@shutoff.ru>
Wenlu Wang <kingwenlu@gmail.com>
Wiktor Garbacz <wiktor.garbacz@gmail.com>
Wouter Vermeiren <wouter.vermeiren@essensium.com>
Xiaoyin Liu <xiaoyin.l@outlook.com>
Yanbo Li <lybvinci@gmail.com>
Yannic Bonenberger <contact@yannic-bonenberger.com>
Yong Wang <ccyongwang@tencent.com>
Youfeng Hao <ajihyf@gmail.com>
Yu Yin <xwafish@gmail.com>
Zac Hansen <xaxxon@gmail.com>
Zeynep Cankara <zeynepcankara402@gmail.com>
Zhao Jiazhong <kyslie3100@gmail.com>
Zhongping Wang <kewpie.w.zp@gmail.com>
柳荣一 <admin@web-tinker.com>
Tianping Yang <yangtianping@oppo.com>
Takeshi Yoneda <takeshi@tetrate.io>