tree a132d2449491a17b05886c7c3b14a9676ebf21f9
parent a56a6def91dfaf6f1b879e31d2350ec58aada93e
author Willy Tarreau <w@1wt.eu> 1532105931 +0200
committer Willy Tarreau <w@1wt.eu> 1532107303 +0200
encoding latin1

MEDIUM: buffers: make b_xfer() automatically swap buffers when possible

Whenever it's possible to avoid a copy, b_xfer() will simply swap the
buffer's heads without touching the data. This has brought the performance
back from 140 kH/s to 202 kH/s on the test case.