[PECL-DEV] APC install from domain hosting

[Kangarooo]

Using WP http://wordpress.org/ and plugin Transposh http://transposh.org
I got warning ⚠ We were not able to find a supported in-memory caching
engine, installing one can improve performance. Check Transposh FAQs
<http://transposh.org/faq#performance>http://transposh.org/faq/#performance
Theres recoomended to use APC
But how can i install if maching access i dont hav but only web admin
DirectAdmin http://www.directadmin.com/ and ftp access for space of my
Hosting.