On 2017年01月08日 17:03, Dmitry Fleytman wrote:
On 6 Jan 2017, at 10:08 AM, Ladi Prosek <lpro...@redhat.com> wrote:
Very simple loop optimization with a significant performance impact.
Microbenchmark results, modern x86-64:
buffer size | speed up
------------+---------
1500 | 1.7x
64 | 1.5x
8 | 1.15x
Microbenchmark results, POWER7:
buffer size | speed up
------------+---------
1500 | 5x
64 | 3.3x
8 | 1.13x
There is a lot of room for further improvement at the expense of
code complexity - aligned multibyte reads, LE/BE considerations,
architecture-specific optimizations, etc. This patch still keeps
things simple and readable.
Reviewed-by: Dmitry Fleytman <dmi...@daynix.com>
Applied to -net.
Thanks
