https://community.intel.com/t5/Intel-Moderncode-for-Parallel/time-i-nmicrosecond-in-itanium/m-p/882497#M3389 <P>hello</P> <P>i want mesure the time elapsed in segment of code but in itanium rdstc is not supported then the question .how can i evaluate time of execution of segment of code in itanium processor</P> <P>thanks for help</P> Mon, 15 Dec 2008 15:06:07 GMT karimfath 2008-12-15T15:06:07Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/time-i-nmicrosecond-in-itanium/m-p/882497#M3389 <P>hello</P> <P>i want mesure the time elapsed in segment of code but in itanium rdstc is not supported then the question .how can i evaluate time of execution of segment of code in itanium processor</P> <P>thanks for help</P> Mon, 15 Dec 2008 15:06:07 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/time-i-nmicrosecond-in-itanium/m-p/882497#M3389 karimfath 2008-12-15T15:06:07Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/time-i-nmicrosecond-in-itanium/m-p/882498#M3390 <DIV style="margin:0px;"> <DIV id="quote_reply" style="width: 100%; margin-top: 5px;"> <DIV style="margin-left:2px;margin-right:2px;">Quoting - <A href="https://community.intel.com/en-us/profile/331311">karimfath</A></DIV> <DIV style="background-color:#E5E5E5; padding:5px;border: 1px; border-style: inset;margin-left:2px;margin-right:2px;"><EM> <P>i want mesure the time elapsed in segment of code but in itanium rdstc is not supported then the question .how can i evaluate time of execution of segment of code in itanium processor</P> </EM></DIV> </DIV> </DIV> <P>unsigned long result;<BR />/* gcc-IA64 version */<BR /> __asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");<BR /> while (__builtin_expect ((int) result == -1, 0))<BR /> __asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");</P> Mon, 15 Dec 2008 16:52:17 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/time-i-nmicrosecond-in-itanium/m-p/882498#M3390 TimP 2008-12-15T16:52:17Z