Hi, On Fri, Jun 12, 2020 at 11:19:23AM -0400, Nicolas Pitre wrote: > On Fri, 12 Jun 2020, afzal mohammed wrote:
> > Performance wise, results are not encouraging, 'dd' on tmpfs results,
> Could you compare with CONFIG_UACCESS_WITH_MEMCPY as well?
512 1K 4K 16K 32K 64K 1M
normal 30 46 89 95 90 85 65
uaccess_w_memcpy 28.5 45 85 92 91 85 65
w/ series 22 36 72 79 78 75 61
There are variations in the range +/-2 in some readings when repeated,
not put above, to keep comparison simple.
Regards
afzal
