https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/pdtran-upgrade/m-p/909519#M12031 <DIV style="margin:0px;">Some ourchanges were based on ideas described in the following paper: <A href="http://users.cs.cf.ac.uk/David.W.Walker/LINALG/transpose95.html">http://users.cs.cf.ac.uk/David.W.Walker/LINALG/transpose95.html</A> <BR />Also therearesome problem for big sizes in current implementation, for example instability of performance.<BR />Try to use ITAC - Intel Trace Analyzer and Collector for obtaining data on your implementation load balance.</DIV> <BR /> Thu, 07 May 2009 05:53:53 GMT Andrei_Moskalev__Int 2009-05-07T05:53:53Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/pdtran-upgrade/m-p/909518#M12030 In the list of upgrades to the latest release of the MKL (10.1 Update 2) it mentions<BR /><BR /> <PRE>Fixed a load-balancing problem in the pdtran ScaLAPACK function by improving the communications<BR />scheme improving performance by up to 3 times <BR /><BR />Can anyone give me details of the changes that were made to the source code as I'd like to update my version<BR />of this routine to see if it gets rid of a problem I seem to be having when I try and transpose very large matrices<BR />under MPI.<BR /><BR />Many thanks,<BR /><BR />Tim</PRE> Tue, 05 May 2009 14:30:16 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/pdtran-upgrade/m-p/909518#M12030 t_r_hopkinskent_ac_u 2009-05-05T14:30:16Z https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/pdtran-upgrade/m-p/909519#M12031 <DIV style="margin:0px;">Some ourchanges were based on ideas described in the following paper: <A href="http://users.cs.cf.ac.uk/David.W.Walker/LINALG/transpose95.html">http://users.cs.cf.ac.uk/David.W.Walker/LINALG/transpose95.html</A> <BR />Also therearesome problem for big sizes in current implementation, for example instability of performance.<BR />Try to use ITAC - Intel Trace Analyzer and Collector for obtaining data on your implementation load balance.</DIV> <BR /> Thu, 07 May 2009 05:53:53 GMT https://community.intel.com/t5/Intel-oneAPI-Math-Kernel-Library/pdtran-upgrade/m-p/909519#M12031 Andrei_Moskalev__Int 2009-05-07T05:53:53Z