On Fri, 2013-10-18 at 12:50 -0400, Neil Horman wrote:
> >
> for(i=0;i<100000;i++) {
> sum = csum_partial(buf+offset, PAGE_SIZE, sum);
> offset = (offset < BUFSIZ-PAGE_SIZE) ? offset+PAGE_SIZE : 0;
> }
Please replace this by random accesses, and use the more standard 1500
length.
offset = prandom_u32() % (BUFSIZ - 1500);
offset &= ~1U;
sum = csum_partial(buf + offset, 1500, sum);
You are basically doing sequential accesses, so prefetch should
be automatically done by cpu itself.
Thanks !
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