Jon Bentley describes a case in which a thousand-line program spent 80 percent of its time in a five-line square-root routine. By tripling the speed of the square-root routine he doubled the speed of the program.
Bentley also reports the case of a team that discovered that half an operating system’s time was spent in a small loop. They rewrote the loop in microcode and made the loop 10 times faster, but it didn’t change the system’s performance — they had rewritten the system’s idle loop.
I just finished reading The Ten Doctors. I started reading this on the advice of a friend who is a huge, long-time, Doctor Who fan. There are many references in […]
I haven’t written a useful blog post about Dynamics AX in a while, so here’s something I came across this week that might be interesting. I was trying to troubleshoot […]
This weekend, I’ve been reading random stuff on Comixology. Mostly stuff I got for free some time ago, and never got around to reading. A bunch of the stuff I […]
I keep stumbling across references to Thomas Piketty’s book Capital in the Twenty-First Century. It’s been mentioned recently in The Economist, been the subject of a relatively long review by […]
Like most people in the US, I’ve transitioned nearly all of the lighting in my apartment from incandescent to CFL over the last few years. I’ve never been really happy […]
Here’s a link to an interesting question on Quora about WordPress vs Drupal that got a thoughtful answer from Dries Buytaert, the guy who created Drupal. A number of the […]
As of last night, I’m officially down fifty pounds since I started my diet. The attached image is from the app LoseIt, which I’ve been using to track my weight […]