Introducing libcurls multi socket API

So, finally a first beta of pecl_http 1.6 has been released.

This is the first version which supports libcurls multi socket API introduced in 7.16 through libevent.

Here's a not very impressive comparison of the performance of the traditional multi API vs. the new multi socket API:

mike@honeybadger:~/build/php-5.2-debug$ cli 
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php 
    -u http://honeybadger/empty.html

>   1.134667s

mike@honeybadger:~/build/php-5.2-debug$ cli 
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php 
    -u http://honeybadger/empty.html

>   1.151088s

mike@honeybadger:~/build/php-5.2-debug$ cli 
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php 
    -u http://honeybadger/empty.html

>   1.131867s

mike@honeybadger:~/build/php-5.2-debug$ cli 
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php 
    -u http://honeybadger/empty.html -e

>   0.993878s

mike@honeybadger:~/build/php-5.2-debug$ cli 
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php 
    -u http://honeybadger/empty.html -e

>   0.998832s

mike@honeybadger:~/build/php-5.2-debug$ cli 
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php 
    -u http://honeybadger/empty.html -e

>   0.997121s

Above empty.html is, well, empty. The following test requests a 100k file:

mike@honeybadger:~/build/php-5.2-debug$ cli  
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php  
    -u http://honeybadger/100k.bin

>   2.205190s

mike@honeybadger:~/build/php-5.2-debug$ cli  
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php  
    -u http://honeybadger/100k.bin

>   2.210525s

mike@honeybadger:~/build/php-5.2-debug$ cli  
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php  
    -u http://honeybadger/100k.bin

>   2.254281s

mike@honeybadger:~/build/php-5.2-debug$ cli  
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php  
    -u http://honeybadger/100k.bin -e

>   2.007220s

mike@honeybadger:~/build/php-5.2-debug$ cli  
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php  
    -u http://honeybadger/100k.bin -e

>   1.945564s

mike@honeybadger:~/build/php-5.2-debug$ cli  
    ~/cvs/pecl/http/scripts/bench_select_vs_event.php  
    -u http://honeybadger/100k.bin -e

>   1.969575s

So, apparently time savings are not huge, but noticable.