nginx 1.2.0 is slower than 1.1.12?

[Delta Yeh]

Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian
4.3.5-4' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--enable-shared --enable-multiarch --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --enable-nls
--with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3
--enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc
--enable-mpfr --enable-targets=all --with-tune=generic
--enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu
--target=i486-linux-gnu
Thread model: posix
gcc version 4.3.5 (Debian 4.3.5-4)




./nginx  -V
nginx version: nginx/2.1.2.0
built by gcc 4.3.5 (Debian 4.3.5-4)
TLS SNI support enabled
configure arguments: --prefix=/usr/local/nginx --pid-path=/var
--with-cpu-opt=pentium4 --with-ipv6 --with-pcre=/usr/local/pcre
--with-pcre-jit --without-http_autoindex_module
--without-http_ssi_module --without-http_referer_module
--without-http_userid_module --without-http_empty_gif_module
--without-http_limit_req_module --without-http_browser_module
--without-http_memcached_module --without-http_charset_module
--without-http_split_clients_module --with-http_stub_status_module
--with-http_ssl_module --with-http_realip_module
--with-http_sub_module --with-http_geoip_module -


在 2012年4月27日 下午6:57，Maxim Dounin <mdounin at mdounin.ru> 写道：
> Hello!
>
> On Fri, Apr 27, 2012 at 06:51:04PM +0800, Delta Yeh wrote:
>
>> After revert svn r4577 of 1.2.0 , I get almost the same benchmark
>> result with 1.2.0 and 1.1.17.
>>
>> So it seems r4577 descrease nginx 1.2.0 performance by 30-40%( a lot
>> of connect timeout reported by loadrunner) in my test lab.
>>
>> nginx box  OS is debian squeeze 32bit, CPU is intel core2 .
>
> Which compiler do you use?  Which compiler flags used during
> compilation?
>
> Maxim Dounin
>
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