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table rather than the old linear list search. On my "hardlink detection torture test", this reduced user time from 4700 seconds down to 4.2 seconds and wallclock time from 1:24:48 down to 1:08. (Yes, that's over one THOUSAND times reduction in user time. ;-) In the worst case, the new code doubles peak memory usage, though it could actually reduce memory usage in many cases. MFC after: 1 week PR: misc/42167, bin/51151 |
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du.1 | ||
du.c | ||
Makefile |