<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial"><div><br> </div>At 2014-09-10 09:34:31,"Praveen Tiwari" <praveen@multicorewareinc.com> wrote:<br>
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<div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">chen</b> <span dir="ltr"><<a href="mailto:chenm003@163.com">chenm003@163.com</a>></span><br>Date: Tue, Sep 9, 2014 at 10:17 AM<br>Subject: Re: [x265] [PATCH] copy_cnt_4: faster AVX2 code<br>To: Development for x265 <<a href="mailto:x265-devel@videolan.org">x265-devel@videolan.org</a>><br><br><br>
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<div style="FONT-SIZE: 14px; COLOR: rgb(0,0,0); LINE-HEIGHT: 1.7; FONT-FAMILY: arial">>>Most operator is SSE2, just one movu, why we need AVX2 version on 4x4?</div>
<div><font face="arial, sans-serif">what about</font><font color="#000000"><span style="FONT-SIZE: 14px; LINE-HEIGHT: 1.7"> </span></font><span style="FONT-SIZE: 12px; COLOR: rgb(34,34,34); LINE-HEIGHT: normal; FONT-FAMILY: arial,sans-serif">vinserti128 ?</span><br><br>you want to use vinserti128 combin 128bits to 256 bits, is it more cost than two of movu </div></div></div></div></blockquote></div>