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authorLennart Poettering <lennart@poettering.net>2013-10-01 00:13:18 +0200
committerLennart Poettering <lennart@poettering.net>2013-10-01 00:17:21 +0200
commit45fa9e29f8c9759c8f2f4238fed956f695c73dc3 (patch)
tree456b6168141128bd35319af35ac9e437851680b1 /src/test/test-ns.c
parentbcd8e6d1bd3f434af894faeb400fee0e99445a7f (diff)
hashmap: size hashmap bucket array dynamically
Instead of fixing the hashmap bucket array to 127 entries dynamically size it, starting with a smaller one of 31. As soon as a fill level of 75% is reached, quadruple the size, and so on. This should siginficantly optimize the lookup time in large tables (from O(n) back to O(1)), and save memory on smaller tables (which most are).
Diffstat (limited to 'src/test/test-ns.c')
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