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by silentbicycle
5725 days ago
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Or Unix's mmap, which predates Vista by a couple decades. (It was designed around the time of 4.2BSD, i.e., 1983* .) I'd be shocked if Windows hasn't had a similar mechanism for years, as well. * _The Design and Implementation of the 4.4BSD Operating System_, McKusick et al., p. 29-30. |
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What SuperFetch does is collect statistics about files hit by processes when they start up, so it can proactively cache bits of those files, to the point that it can cache files read by processes before those processes are ever started, assuming they are either commonly started or started on a schedule.