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3 Commits

Author SHA1 Message Date
Willy Tarreau
d2c142c7ee [OPTIM] halog: speed up fgets2-64 by about 10% 
This version uses more 64-bit lookups and two 32-bit lookups
to converge faster. This saves about 10% performance.
 2010-05-05 12:22:08 +02:00
Willy Tarreau
1769a18f62 [OPTIM] halog: use a faster zero test in fgets() 
A new idea came up to detect the presence of a null byte in a word.
It saves several operations compared to the previous one, and eliminates
the jumps (about 6 instructions which can run 2-by-2 in parallel).

This sole optimisation improved the line count speed by about 30%.
 2010-05-04 11:04:54 +02:00
Willy Tarreau
214c203c00 [CONTRIB] halog: faster fgets() and add support for percentile reporting 
A new fgets implementation saves about 25-50% of the time spent parsing
the logs.

Percentile calculation has been added for timers using -pct.
 2009-03-09 00:42:39 +01:00