HHVM about the problem, please play PHP sage guidance

HHVM questions, please play PHP the sage pointing
Is this, I want to play HHVM, I have been tossing for a long time, finally everything is installed, I use Hhvm-f test.php, output the correct content.
But when I entered localhost/test.php in the browser, and did not use HHVM, please point.

I test the function definition of HHVM, if the proof is already defined return Hello HHVM, otherwise return sorry error!
Input hhvm-f test.php Output Hello HHVM
In the browser input http://localhost/test.php, output sorry error!

PHP parsing is no problem, but I want to use HHVM.
------Solution--------------------
Do you have a boot HHVM?
/USR/BIN/HHVM--mode server-vserver.port=9000-vserver.type=fastcgi &
------Solution--------------------
References:

is this, I want to play HHVM, I have been tossing for a long time, finally everything is installed, I use Hhvm-f test.php, output the correct content.
But when I entered localhost/test.php in the browser, and did not use HHVM, please point.

I test the function definition of HHVM, if the proof is already defined return Hello HHVM, otherwise return sorry error!
Input hhvm-f test.php Output Hello HHVM
In the browser input http://localhost/test.php, output sorry error!

PHP parsing is no problem, but I want to use HHVM.

forgot to start up ....

