Imagine this: You have two text files full of information, with one data entry on each line. You want to find out which lines occur in both files. Now, if the files are mostly the same, it’s probably best to use a program called diff. However, if the files are mostly different, you can [...]

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There is a rank list of the most powerful computers on the planet: Top500.org. (It looks like they’ve recently done a site redesign for the better.) Statistics on these computers are available here. Of the top 500 most powerful computers on the planet, a measly 1.20% run a non-UNIX operating system (OS). 76.20% [...]

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I’ve been running simulations over the holiday break, trying to get some data for a deadline, and I’ve had the queue on our cluster mostly to myself for two weeks.
As you can see here (if you look soon), there are now plenty of jobs in the queue, submitted by several users. My lovely vacation [...]

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I have been a Palm OS user since the original Palm Pilot (1000), having also owned/used a Palm Professional, Palm V, Palm Vx, Treo 600, and Treo 650. I’ve also used a couple of Windows CE/Mobile devices, and hated them.
Palm OS has always been very usable. The simple interface combined with a touch screen was [...]

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I’ve been totally absent from most of my life the last week as a result of some problems we had with our code on the cluster. My jobs kept dying, taking down compute nodes in the process, for no apparent reason. After a while I narrowed it down to the time when restart files (from [...]

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