tree fdb3aa8637a6659f85b77374fb538d44fc141c19
parent 4b8a01d4febdb331f825a8c69bc9974700f7efb4
author Ruiling Song <ruiling.song@intel.com> 1570591789 +0800
committer Yaowu Xu <yaowu@google.com> 1571153763 -0700

replace per-element copy with memcpy

memcpy should already include SSE/AVX optimization.

Observed 0.3% encoding time reduction measured against
two-pass encoding of 720p at speed-5.

Change-Id: I7520984b65de32c4b899336d82c1e3c444ab6153