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Archive for May, 2011

This is really a RFC. It seems to me that many end-user bugzilla reports about excessive memory use share a common structure.  First, the user reports that “I did A, B and C, had a coffee, went back to my machine and found that Firefox was sitting on N gigabytes of memory.”  Then follows lots […]

I’ve been wondering how much of the data we keep in memory is actually useful, as opposed to being bits which are mostly or entirely constant.  Recently I hacked up a Valgrind tool to get some initial measurements. Imagine a machine instruction that does a 32-bit memory read.  If the read value is observed only […]