https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/MKL-threading-seems-using-only-one-core/m-p/1020831#M19716 <P>When we use MKL PARDISO multi-threading on, the PARDISO output does indicate multiple number of processors but using top or ksysguard or the windows Task Manager, we see that only one core is exercised regardless of the number of threads we chose to use.</P> <P>Major version: 11<BR /> Minor version: 1<BR /> Update version: 1<BR /> Product status:&nbsp; Product<BR /> Build: n20131010<BR /> Processor optimization: Intel(R) Advanced Vector Extensions (Intel(R) AVX) Enabled Processor</P> Thu, 15 Oct 2015 20:48:05 GMT xian-zhong_guous_cd- 2015-10-15T20:48:05Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/MKL-threading-seems-using-only-one-core/m-p/1020831#M19716 <P>When we use MKL PARDISO multi-threading on, the PARDISO output does indicate multiple number of processors but using top or ksysguard or the windows Task Manager, we see that only one core is exercised regardless of the number of threads we chose to use.</P> <P>Major version: 11<BR /> Minor version: 1<BR /> Update version: 1<BR /> Product status:&nbsp; Product<BR /> Build: n20131010<BR /> Processor optimization: Intel(R) Advanced Vector Extensions (Intel(R) AVX) Enabled Processor</P> Thu, 15 Oct 2015 20:48:05 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/MKL-threading-seems-using-only-one-core/m-p/1020831#M19716 xian-zhong_guous_cd- 2015-10-15T20:48:05Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/MKL-threading-seems-using-only-one-core/m-p/1020832#M19717 <P>what is the problem size? it looks like this is the problem not Pardiso but Task Manager.&nbsp;</P> Fri, 16 Oct 2015 03:22:42 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/MKL-threading-seems-using-only-one-core/m-p/1020832#M19717 Gennady_F_Intel 2015-10-16T03:22:42Z