<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Times; "><font class="Apple-style-span" face="Arial" size="2"><span class="Apple-style-span" style="font-size: 10px;">Thanks for the reply. Like you say, offloading has the major drawback of latency. </span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Times; "><font class="Apple-style-span" face="Arial" size="2"><span class="Apple-style-span" style="font-size: 10px;"><br></span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Times; "><font class="Apple-style-span" face="Arial" size="2"><span class="Apple-style-span" style="font-size: 10px;">I have not properly profiled some of the x264 functions yet. Is that 170 cycles for a 16x16 SAD including 41 sub-blocks?</span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Times; "><font class="Apple-style-span" face="Arial" size="2"><span class="Apple-style-span" style="font-size: 10px;"><br></span></font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Times; "><span class="Apple-style-span" style="font-family: Arial; font-size: 10px; ">A quick Google search a few weeks ago revealed a few relevant articles.</span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Times; "><font class="Apple-style-span" face="Arial" size="2"><span class="Apple-style-span" style="font-size: 10px;"><a href="http://www.google.com/search?&q=x264_me_search_ref+pdf">http://www.google.com/search?&q=x264_me_search_ref+pdf</a></span></font></div></div></body></html>