https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787573#M340 An interesting exercise would be writing the code to do both and then reviewing the assembly generated by the compiler.<DIV></DIV><DIV>Assuming this is not a complex data type, don't forget:</DIV><DIV>a=c;</DIV><DIV>b=c;</DIV><DIV></DIV> Wed, 16 Mar 2011 17:12:37 GMT dwms 2011-03-16T17:12:37Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787569#M336 a=b=c;<DIV>or</DIV><DIV>b=c;</DIV><DIV>a=b;</DIV><DIV></DIV><DIV>Thanks.</DIV> Sun, 06 Mar 2011 07:12:10 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787569#M336 fatalme 2011-03-06T07:12:10Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787570#M337 <P>both constructions are equal, first one is just shorter syntacs of the second one</P> Sun, 06 Mar 2011 07:30:28 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787570#M337 Ilnar 2011-03-06T07:30:28Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787571#M338 The compiler will optimize them to the same code. Tue, 08 Mar 2011 19:09:02 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787571#M338 Dost__Conrad_W 2011-03-08T19:09:02Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787572#M339 <DIV id="tiny_quote"><DIV style="margin-left: 2px; margin-right: 2px;">Quoting <A jquery1299815415454="67" rel="/en-us/services/profile/quick_profile.php?is_paid=&amp;user_id=508543" href="https://community.intel.com/en-us/profile/508543/" class="basic">conradca</A></DIV><DIV style="background-color: #e5e5e5; margin-left: 2px; margin-right: 2px; border: 1px inset; padding: 5px;"><I>The compiler will optimize them to the same code.</I></DIV></DIV><P>Excepting when b and a are volatile.</P> Fri, 11 Mar 2011 03:51:13 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787572#M339 jimdempseyatthecove 2011-03-11T03:51:13Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787573#M340 An interesting exercise would be writing the code to do both and then reviewing the assembly generated by the compiler.<DIV></DIV><DIV>Assuming this is not a complex data type, don't forget:</DIV><DIV>a=c;</DIV><DIV>b=c;</DIV><DIV></DIV> Wed, 16 Mar 2011 17:12:37 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/a-b-c-or-b-c-a-b-which-has-higher-time-efficiency/m-p/787573#M340 dwms 2011-03-16T17:12:37Z