On Mon, Jul 19, 2021 at 1:44 PM Matteo Croce <mcroce@xxxxxxxxxxxxxxxxxxx> wrote: > > From: Matteo Croce <mcroce@xxxxxxxxxxxxx> > > Use the generic routines which handle alignment properly. > > These are the performances measured on a BeagleV machine for a > 32 mbyte buffer: > > memcpy: > original aligned: 75 Mb/s > original unaligned: 75 Mb/s > new aligned: 114 Mb/s > new unaligned: 107 Mb/s > > memset: > original aligned: 140 Mb/s > original unaligned: 140 Mb/s > new aligned: 241 Mb/s > new unaligned: 241 Mb/s > > TCP throughput with iperf3 gives a similar improvement as well. > > This is the binary size increase according to bloat-o-meter: > > add/remove: 0/0 grow/shrink: 4/2 up/down: 432/-36 (396) > Function old new delta > memcpy 36 324 +288 > memset 32 148 +116 > strlcpy 116 132 +16 > strscpy_pad 84 96 +12 > strlcat 176 164 -12 > memmove 76 52 -24 > Total: Before=1225371, After=1225767, chg +0.03% > > Signed-off-by: Matteo Croce <mcroce@xxxxxxxxxxxxx> > Signed-off-by: Emil Renner Berthing <kernel@xxxxxxxx> > --- Hi, can someone have a look at this change and share opinions? Regards, -- per aspera ad upstream
