https://community.intel.com/t5/Intel-Integrated-Performance/Copy-Functions-provided-by-IPP/m-p/857583#M7392 I have been using copy functions(the one which takes strided data and the other which takes non strided data) provided in IPP for copying complex arrays. Do these functions usenon-temporal movntq instructions to copy ? Because I think movntq instruction evicts the output data from the cache and this means that the following operation that I do with the output data after the copy has to reload the data into the cache. Sat, 24 Jan 2009 21:19:14 GMT Shankar1 2009-01-24T21:19:14Z https://community.intel.com/t5/Intel-Integrated-Performance/Copy-Functions-provided-by-IPP/m-p/857583#M7392 I have been using copy functions(the one which takes strided data and the other which takes non strided data) provided in IPP for copying complex arrays. Do these functions usenon-temporal movntq instructions to copy ? Because I think movntq instruction evicts the output data from the cache and this means that the following operation that I do with the output data after the copy has to reload the data into the cache. Sat, 24 Jan 2009 21:19:14 GMT https://community.intel.com/t5/Intel-Integrated-Performance/Copy-Functions-provided-by-IPP/m-p/857583#M7392 Shankar1 2009-01-24T21:19:14Z https://community.intel.com/t5/Intel-Integrated-Performance/Copy-Functions-provided-by-IPP/m-p/857584#M7393 <DIV style="margin:0px;"></DIV> Could you please specify which exactly functions you are tried, what is IPP version and what is your target platform?<BR /><BR />Note, usually, IPP functions do not use non-temporal move instruction but there is a special function, ippiCopyManaged, where you can control on this behaviour. Please refer to documentation of this function.<BR /><BR />Regards,<BR /> Vladimir<BR /> Sun, 25 Jan 2009 22:24:36 GMT https://community.intel.com/t5/Intel-Integrated-Performance/Copy-Functions-provided-by-IPP/m-p/857584#M7393 Vladimir_Dudnik 2009-01-25T22:24:36Z