News for hackers. Stuff that matters.

A comment on Speeding up PHP with the HipHop VM. Parent comment

Re:Speeding up PHP with the HipHop VM by eropple on Friday November 30, 2012 @01:08AM (#4852088)
Java's HotSpot is a stack machine, AFAIK. Dalvik is a register machine, but I wouldn't want to point to that as a positive. ;)
[ Parent | on HN ]
Re:Speeding up PHP with the HipHop VM by pbiggar on Friday November 30, 2012 @02:07AM (#4852210)
Internally, Hotspot doesn't use a stack representation. It converts it to an IR (internal representation) which is not stack based, which is my point. See Fig 2 from http://www-leland.stanford.edu/class/cs343/resources/java-ho...
[ Parent | on HN ]
Re:Speeding up PHP with the HipHop VM by eropple on Sunday December 02, 2012 @08:00PM (#4863385)
Huh, so it's not. Thanks for the interesting read!
[ Parent | on HN ]