https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linpack-different-in-v3-and-v2/m-p/1017301#M19545 When I use intel mkl , intel mpi ,intel compiler to test linpack l in e5 v3 2660, I get RMAX/RPEAK IS 11% .BUT in e5 v2 is 93%. Why? Sun, 19 Jul 2015 16:30:08 GMT gridpc_g_ 2015-07-19T16:30:08Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linpack-different-in-v3-and-v2/m-p/1017301#M19545 When I use intel mkl , intel mpi ,intel compiler to test linpack l in e5 v3 2660, I get RMAX/RPEAK IS 11% .BUT in e5 v2 is 93%. Why? Sun, 19 Jul 2015 16:30:08 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linpack-different-in-v3-and-v2/m-p/1017301#M19545 gridpc_g_ 2015-07-19T16:30:08Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linpack-different-in-v3-and-v2/m-p/1017302#M19546 <P>Hello,&nbsp;</P> <P>Which the exact version of the Linpack, Intel MKL, intel compiler and mpi? what command setting when you run the benchmark?</P> <P>Are you running the binary code from MKL install directory, for example ~/intel/compilers_and_libraries_2016.0.069/linux/mkl/benchmarks/linpack</P> <P>or download from&nbsp;</P> <P><A href="https://software.intel.com/en-us/articles/intel-math-kernel-library-linpack-download/?&nbsp;" target="_blank">https://software.intel.com/en-us/articles/intel-math-kernel-library-linpack-download/?&nbsp;</A>;</P> <P>Could you please attach the log?</P> <P>Best Regards,</P> <P>Ying</P> <P>Intel MKL Support&nbsp;</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 20 Jul 2015 03:14:00 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/linpack-different-in-v3-and-v2/m-p/1017302#M19546 Ying_H_Intel 2015-07-20T03:14:00Z