https://community.intel.com/t5/Software-Archive/A-question-regarding-memory-copy/m-p/974767#M24778 I made a mistake so it's not really a question.<P>Message Edited by bigbearking on <SPAN class="date_text">09-20-2005</SPAN> <SPAN class="time_text">12:50 PM</SPAN></P> Tue, 20 Sep 2005 03:49:16 GMT bigbearking 2005-09-20T03:49:16Z https://community.intel.com/t5/Software-Archive/A-question-regarding-memory-copy/m-p/974767#M24778 I made a mistake so it's not really a question.<P>Message Edited by bigbearking on <SPAN class="date_text">09-20-2005</SPAN> <SPAN class="time_text">12:50 PM</SPAN></P> Tue, 20 Sep 2005 03:49:16 GMT https://community.intel.com/t5/Software-Archive/A-question-regarding-memory-copy/m-p/974767#M24778 bigbearking 2005-09-20T03:49:16Z https://community.intel.com/t5/Software-Archive/A-question-regarding-memory-copy/m-p/974768#M24779 Could you please show the two assembly fragments that you timed? <DIV></DIV> Wed, 21 Sep 2005 01:47:00 GMT https://community.intel.com/t5/Software-Archive/A-question-regarding-memory-copy/m-p/974768#M24779 Intel_C_Intel 2005-09-21T01:47:00Z https://community.intel.com/t5/Software-Archive/A-question-regarding-memory-copy/m-p/974769#M24780 Sorry that I made a mistake.<BR /><BR />I just double-checked my program and data. It seems that I copied my program's read phase timings to the wrong place in excel. The fact is: copy: 3.5 cycles/element, read: 1.1 cycles/element, write:3.4 cycles/element. This is explanable since some writing overhead can be hidden by write buffers.<BR /><BR />It seems that I need to further look into why my reading phase gets 5 cycles per element but the copy program is OK.<BR /><BR />Thank abik for the quick reponse. Wed, 21 Sep 2005 02:46:16 GMT https://community.intel.com/t5/Software-Archive/A-question-regarding-memory-copy/m-p/974769#M24780 bigbearking 2005-09-21T02:46:16Z