From: Vincent Balat <vincent.balat@pps.jussieu.fr>
To: caml-list@yquem.inria.fr
Cc: Yoann Padioleau <padator@wanadoo.fr>,
Dario Teixeira <darioteixeira@yahoo.com>
Subject: [Was: OCamlJit 2.0]
Date: Sat, 20 Nov 2010 16:19:46 +0100 [thread overview]
Message-ID: <201011201619.47211.vincent.balat@pps.jussieu.fr> (raw)
In-Reply-To: <023DB1B5-B4D6-4C2A-AAF6-2368F93BEBB6@wanadoo.fr>
On Nov 19, 2010 21:20:01, Yoann Padioleau wrote:
> On Nov 19, 2010, at 11:46 AM, Dario Teixeira wrote:
...
> > Actually, Facebook has a compiler that transforms PHP source code into
> > C++ [1], and they claim a 50% reduction in CPU usage.
>
> Yes, which is good. But if you think about it is "only" a x2 speedup vs a
> really slow bytecode interpreter (the Zend PHP interpreter). PHP is known
> for being more than 30 times slower than C.
> It's even slower than Ruby on
> http://shootout.alioth.debian.org/u32/which-programming-languages-are-fast
> est.php There are lots of opportunities to do better IMHO.
Would it be completely inconceivable for a company like facebook to
reimplement everything using a fast well designed typed language
instead of "spending hundreds of millions of dollars on machines that run PHP
bytecode interpreters"? (quoting Yoann)
Vincent [not completely joking]
next prev parent reply other threads:[~2010-11-20 15:19 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-16 14:52 OCamlJit 2.0 Benedikt Meurer
2010-11-16 17:07 ` [Caml-list] " bluestorm
2010-11-16 17:32 ` Benedikt Meurer
2010-11-17 8:44 ` Native toplevel? (was: OCamlJit 2.0) Alain Frisch
2010-11-17 10:46 ` Satoshi Ogasawara
2010-11-17 11:38 ` Sylvain Le Gall
2010-11-17 22:57 ` [Caml-list] Native toplevel? Wojciech Daniel Meyer
2010-11-18 16:49 ` [Caml-list] Native toplevel? (was: OCamlJit 2.0) Ashish Agarwal
2010-11-19 18:09 ` David MENTRE
2010-11-19 18:24 ` Hezekiah M. Carty
2010-11-19 18:30 ` Ashish Agarwal
2010-11-19 18:42 ` Benedikt Meurer
2010-11-20 11:49 ` Jon Harrop
2010-11-18 18:19 ` Benedikt Meurer
[not found] ` <2025993285.616104.1290144569061.JavaMail.root@zmbs4.inria.fr>
2010-11-19 10:02 ` [Caml-list] Re: Native toplevel? Fabrice Le Fessant
2010-11-19 19:16 ` Benedikt Meurer
2010-11-19 18:43 ` [Caml-list] OCamlJit 2.0 Yoann Padioleau
2010-11-19 19:10 ` Benedikt Meurer
2010-11-20 15:59 ` Yoann Padioleau
2010-11-19 19:46 ` Dario Teixeira
2010-11-19 20:20 ` Yoann Padioleau
2010-11-20 15:19 ` Vincent Balat [this message]
2010-11-20 15:42 ` [Caml-list] [Was: OCamlJit 2.0] Benedikt Meurer
2010-11-20 16:10 ` Yoann Padioleau
2010-11-20 16:25 ` Benedikt Meurer
2010-11-20 17:35 ` Yoann Padioleau
2010-11-20 17:08 ` Jon Harrop
2010-11-20 17:37 ` Yoann Padioleau
2010-11-20 17:48 ` Sylvain Le Gall
2010-11-20 18:51 ` [Caml-list] " Jon Harrop
2010-11-20 18:05 ` [Caml-list] " Jon Harrop
2010-11-20 17:15 ` Gerd Stolpmann
2010-11-23 2:09 ` Elias Gabriel Amaral da Silva
2010-11-24 7:20 ` [Caml-list] OCamlJit 2.0 Alain Frisch
2010-11-24 7:59 ` Yoann Padioleau
2010-11-24 9:04 ` Compiling to Javascript Jerome Vouillon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201011201619.47211.vincent.balat@pps.jussieu.fr \
--to=vincent.balat@pps.jussieu.fr \
--cc=caml-list@yquem.inria.fr \
--cc=darioteixeira@yahoo.com \
--cc=padator@wanadoo.fr \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).