https://community.intel.com/t5/Intel-Integrated-Performance/IPP-in-Pentium-4-is-slower-than-IPL/m-p/925965#M16200 <DIV>I am working with evaluation copy of IPP downloaded from here:</DIV> <DIV><A href="http://www.intel.com/software/products/ipp/downloads/ippwin_ev.htm" target="_blank">http://www.intel.com/software/products/ipp/downloads/ippwin_ev.htm</A></DIV> <DIV>I used file w_ipp_ia32_itanium_em64t_eval_4_1_ev05.exe </DIV> <DIV>It should be optimized for Pentium 4 processor. OS is WinXP Professional.</DIV> <DIV>To test IPP performance, I created sample program which makes 2D convolution of 1024*1024 float image. Program is written using Image-Processing-IPL sample (using existing IPL functions). Another program uses IPL to make the same convolution.</DIV> <DIV>Test results on Pentium 3:</DIV> <DIV>IPL 105 ms</DIV> <DIV>IPP 76 MS</DIV> <DIV></DIV> <DIV> <DIV>Test results on Pentium 4:</DIV> <DIV>IPL43 ms</DIV> <DIV>IPP48 MS</DIV></DIV> <DIV></DIV> <DIV>Results are surprising: IPP is optimized for Pentium 4 processor, but IPL gives better results. What is wrong, maybe I need another IPP version?</DIV> <DIV></DIV> <DIV>Thanks.</DIV> Tue, 23 Nov 2004 20:22:02 GMT alexm 2004-11-23T20:22:02Z https://community.intel.com/t5/Intel-Integrated-Performance/IPP-in-Pentium-4-is-slower-than-IPL/m-p/925965#M16200 <DIV>I am working with evaluation copy of IPP downloaded from here:</DIV> <DIV><A href="http://www.intel.com/software/products/ipp/downloads/ippwin_ev.htm" target="_blank">http://www.intel.com/software/products/ipp/downloads/ippwin_ev.htm</A></DIV> <DIV>I used file w_ipp_ia32_itanium_em64t_eval_4_1_ev05.exe </DIV> <DIV>It should be optimized for Pentium 4 processor. OS is WinXP Professional.</DIV> <DIV>To test IPP performance, I created sample program which makes 2D convolution of 1024*1024 float image. Program is written using Image-Processing-IPL sample (using existing IPL functions). Another program uses IPL to make the same convolution.</DIV> <DIV>Test results on Pentium 3:</DIV> <DIV>IPL 105 ms</DIV> <DIV>IPP 76 MS</DIV> <DIV></DIV> <DIV> <DIV>Test results on Pentium 4:</DIV> <DIV>IPL43 ms</DIV> <DIV>IPP48 MS</DIV></DIV> <DIV></DIV> <DIV>Results are surprising: IPP is optimized for Pentium 4 processor, but IPL gives better results. What is wrong, maybe I need another IPP version?</DIV> <DIV></DIV> <DIV>Thanks.</DIV> Tue, 23 Nov 2004 20:22:02 GMT https://community.intel.com/t5/Intel-Integrated-Performance/IPP-in-Pentium-4-is-slower-than-IPL/m-p/925965#M16200 alexm 2004-11-23T20:22:02Z