https://community.intel.com/t5/Mobile-and-Desktop-Processors/Calculate-Max-Memory-Bandwidth-without-prefetch/m-p/605329#M33615 <P>I would like to verify some more information about your system. Can you please post your dxdiag report here? </P> Mon, 09 Dec 2013 18:08:07 GMT Kevin_M_Intel 2013-12-09T18:08:07Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Calculate-Max-Memory-Bandwidth-without-prefetch/m-p/605328#M33614 <P>Hi! </P><P>&nbsp;</P> <P>&nbsp;</P> I've run the bw_mem test of lmbench and it said that my Bandwidth is 4.95GB/s.. <P>&nbsp;</P> <P>&nbsp;</P> But how can i get this Bandwidth without SW prefetching?<P></P><P>&nbsp;</P><P>And without memory affinity?</P><P></P><P>&nbsp;</P><P>This is for using with Roofline Model ( <A href="http://www.eecs.berkeley.edu/Pubs/TechRpts/2008/EECS-2008-134.pdf">http://www.eecs.berkeley.edu/Pubs/TechRpts/2008/EECS-2008-134.pdf</A> <A href="http://www.eecs.berkeley.edu/Pubs/TechRpts/2008/EECS-2008-134.pdf">http://www.eecs.berkeley.edu/Pubs/TechRpts/2008/EECS-2008-134.pdf</A> ) of my machine which has:</P><P></P><P>&nbsp;</P><P>Intel Pentium T3200</P><P>Main Memory; Dual Channel DDR2 667 1024+2048=3GB</P><P>&nbsp;</P> <P>&nbsp;</P> Thanks Fri, 06 Dec 2013 16:27:36 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Calculate-Max-Memory-Bandwidth-without-prefetch/m-p/605328#M33614 JRibe1 2013-12-06T16:27:36Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Calculate-Max-Memory-Bandwidth-without-prefetch/m-p/605329#M33615 <P>I would like to verify some more information about your system. Can you please post your dxdiag report here? </P> Mon, 09 Dec 2013 18:08:07 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Calculate-Max-Memory-Bandwidth-without-prefetch/m-p/605329#M33615 Kevin_M_Intel 2013-12-09T18:08:07Z