Linked by Thom Holwerda on Thu 5th Nov 2009 23:05 UTC
Linux As we all know, Mac OS X has support for what is called 'fat binaries'. These are binaries that can carry code for for instance multiple architectures - in the case of the Mac, PowerPC and x86. Ryan Gordon was working on an implementation of fat binaries for Linux - but due to the conduct of the Linux maintainers, Gordon has halted the effort.
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Disk usage != disk access
by boofar on Fri 6th Nov 2009 07:33 UTC in reply to "RE[3]: bah"
boofar
Member since:
2008-04-23

True, disk usage isn't really an issue for most people anymore. "Disk access" is not the same as disk usage though. When loading a fat binary, the system is probably forced to perform one extra disk access, to load the header which tells it where the correct binary data is located. That's adds an extra few milliseconds per loaded file, which can really kill performance when loading many files. Booting a computer is one of those "loading a bunch of files" scenarios.

http://en.wikipedia.org/wiki/Seek_time

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