Sascha,
This looks good.
Is this going to be brought into php, or is it going to remain a separate project?
Thanks,
Jason
----- Original Message -----
From: "Sascha Schumann" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, July 05, 2001 6:08 PM
Subject: [PHP-DEV] Reentrant C scanners for PHP
> This is the first public release of fully reentrant C
> scanners for the PHP language and the INI system. They
> can be used to replace the Flex-based implementations
> commonly found in the Zend Engine.
>
> Features:
>
> - Flexible I/O model; lays groundwork for fully supporting
> modern web-servers such as Apache 2.0;
> - uses portable C only; significantly improves portability by
> removing dependence on GNU extensions of C++;
> - fully thread-safe without loss of speed.
>
> The software is currently available in the form of three
> source files and a patch to the Zend Engine.
>
> http://schumann.cx/ngscan-0.1.tar.gz
>
> To install, cd into the ngscan directory and run
> "make ZEND=../php4/Zend install", followed by a buildconf.
>
> Because software already exists to eliminate the scan/parse
> process, speed was not a main concern. The new language
> scanner is faster than the old one in all tested scenarios
> though.
>
> time saved lines what
> 10% 500K <? echo test ?>
> 15% 500K <? echo "test" ?>
> 40% 1.5M pure HTML
> - 500K ZTS, <? echo test ?> (1)
> 87% 500K ZTS, <? echo "test" ?>
> 99% 1.5M ZTS, pure HTML (2)
>
> (1) crashed in vprintf, apparently some glibc/pthread issue
> (2) +4 minutes vs 800 milli-seconds
>
> (user times taken from a command-line CGI, CFLAGS=-O,
> --enable-inline-optimization, gcc 2.95.3, Linux 2.4.6, glibc
> 2.2.3)
>
> - Sascha Experience IRCG
> http://schumann.cx/ http://schumann.cx/ircg
>
>
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