The Intel IPP uses codes optimized for various central processing unit (CPU). Dispatching refers to detection of your CPU and selecting the Intel IPP binary that corresponds to the hardware that you are using. For example, in the \ia32\bin directory, ippiv8-x.x.dll reflects the optimized imaging processing libraries for Intel® Core™ 2 Duo processors in version x.x.

A single Intel IPP function, for example ippsCopy_8u(), may have many versions, each one optimized to run on a specific Intel® processor with specific architecture, for example: the version of this function optimized for the Intel Core 2 Duo processor on IA-32 is p8_ippsCopy_8u().

The following lists processor-specific codes used in Intel IPP:

·         IA-32 Intel® architecture
       o   px - C-optimized for all IA-32 processors

o   a6 - Optimized for Pentium III processors (it is removed in Intel IPP v6.0)

o   w7 - Optimized for Pentium 4 processors

o   t7 - Optimized for Pentium 4 processors with Streaming SIMD Extensions 3 (SSE3)

o   v8 - New Optimizations for 32-bit applications on Intel® Core™2 and Intel® Xeon® 5100 processors

o   p8 - New Optimizations for 32-bit applications on 45nm Intel® Core™2 Duo (Penryn) family processors and Intel® Core™ i7 processors (Nehalem)

o   s8 – Optimized for Intel® Atom™ Processors ( new in Intel IPP v6.0)

·         Intel® 64 (Intel® EM64T) architecture
      o   mx - C-optimized for all Intel® EM64T-based platforms

o   m7 - Optimized for Intel EM64T-based platforms

o   u8 - New Optimizations for 64-bit applications on Intel Core 2 and Intel Xeon 5100 processors

o   y8 - New Optimizations for 64-bit applications on 45nm Intel® Core™2 Duo (Penryn) family processors and Intel® Core™ i7 processors (Nehalem)

o   n8 – Optimized for Intel® Atom™ Processors ( new in Intel IPP v6.0)

·         Intel® Itanium® architecture
       o   i7 – Optimized for Intel® Itanium® processor family

·         Intel® IXP4XX Network processors (it is removed in Intel IPP v6.0, check here for more details)

o    sx - C-optimized for the IXP4XX product line

o   s2 - Optimized for the IXP4XX product line

Comments (3)

February 3, 2009 9:10 PM PST ali

i have installed the ipp software for i7 processor the installation of g729 have done fine but now when i give the command like "ippGet..." etc the command does'nt accept and say that now command availalbe so what should i do plz send me the complete method thanks

June 23, 2009 2:50 AM PDT Ying H (Intel) Total Points: 5,217 Status Points: 4,717 Brown Belt

Hi ali, Starting IPP 6.0, we recommend using the new function ippGetCpuFeatures() to detect the CPU feature.Please check <<http://software.intel.com/en-us/articles/intel-integrated-pe.....pe/>>; Regards, Ying

August 20, 2009 6:41 AM PDT Igor

Hi all! What files i must include for use optimized functions like p8_ippsCopy_8u()? When I try to use this function, I have error: "identifier "p8_ippsCopy_8u" is undefined" Thank you. Best Regards, Igor Rodygin.

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