This Sunday, I attended only two talks. These talks were in the embedded track since I was with my brother who is interested in this. The first talk, “SH-2A Linux kernel” by Yoshinori Sato, was very difficult to follow since Yoshinori did not tell us what is the SH-2A microprocessor (it is apparently used in cars, a.o.) and his English was very bad. In the second talk, Vitaly Wool introduced XIP, a way to directly run portions of software from where it’s stored in a type of Flash memory (instead of being copied to RAM first). With XIP, you can reduce boot time (or at least the “time to splashscreen”, especially interesting in handheld devices where you want to quickly be “productive”). But you can have other occasions where speed of execution is more important than price (because the type of Flash memory used is more expensive than standard RAM). Yesterday, Jim Gettys said the OLPC laptop can boot very quickly but it was thanks to the use of LinuxBIOS (and maybe XIP?). I also liked when he took a pen to show us something on a slide and said that it’s “because my wife is here and she said it’s bad manners when I point at things with my finger”. ;-)
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