Posted by greggles on July 8, 2010 at 8:18pm
I swear I saw that someone had created a project page on Drupal.org for a php library that pushed a lot of Drupal's functions to native C code.
Now I can't seem to find it and I didn't see any discussion about it recently in this group.
So: does anyone remember what it's called and where it is?
Also, has anyone tried it? Did you like it?

Comments
http://drupal.org/project/dru
http://drupal.org/project/drupal_php_ext
I have no D7 projects, but
I have no D7 projects, but out of curiosity I just threw up a fresh D7 test site and installed that php extension and patch and got 5-7% improvement on uncached req/s in ab. Interesting stuff.
Hiphop
There was also some preliminary work done on porting Pressflow to work with Hiphop here:
https://code.launchpad.net/~pressflow/pressflow/6.x-hiphop
wow, pressflow with hiphop.
wow, pressflow with hiphop. this needs testing.