[x265] Fwd: [PATCH] copy_cnt_4: faster AVX2 code

[chen]

At 2014-09-10 09:34:31,"Praveen Tiwari" <praveen at multicorewareinc.com> wrote:



---------- Forwarded message ----------
From: chen<chenm003 at 163.com>
Date: Tue, Sep 9, 2014 at 10:17 AM
Subject: Re: [x265] [PATCH] copy_cnt_4: faster AVX2 code
To: Development for x265 <x265-devel at videolan.org>



>>Most operator is SSE2, just one movu, why we need AVX2 version on 4x4?
what about vinserti128 ?

you want to use vinserti128 combin 128bits to 256 bits, is it more cost than two of movu 
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