Adrian Chadd's Ramblings
Saturday, January 11, 2014
Hacking on Mindwave for fun and .. fun
›
Allison (and others, like a game developer named Lat) showed interest in these Neurosky Mindwave headsets. They're little wireless (blue...
Saturday, December 14, 2013
Experimenting with zero-copy network IO in FreeBSD-HEAD
›
Back when I started all of this networking hacking, the "big thing" was the overhead of doing poll() and select(). Various operati...
Sunday, November 3, 2013
Doing arduino development on FreeBSD-HEAD
›
I'm a sucker for punishment. Or, I noticed that FreeBSD's pkgng binary package repository ships with a port of the Arduino develop...
Sunday, October 13, 2013
So, FreeBSD on the AR9344? What happened?
›
I committed a bunch of code a while ago to FreeBSD-HEAD to at least start booting on the AR934x SoCs. The AR934x SoC is a MIPS74k core - a d...
Monday, September 16, 2013
The gymnastics required to just do a "HALT" for MIPS..
›
So, it turns out there's no nice, guaranteed way to implement a HALT style setup for MIPS in the idle thread in the kernel. I'll bra...
Tuesday, September 3, 2013
Finding low hanging fruit with PMC, or "O(wtf)" ?
›
I've lately been focusing on performance counter stuff on Sandy Bridge (Xeon and non-Xeon.) Part of this has been fixing some of the cou...
Monday, August 19, 2013
›
This blog post is mostly so I don't forget this kind of stuff. http://software.intel.com/sites/default/files/m/a/d/2/2/e/15529-Intel_V...
‹
›
Home
View web version
