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  1. GFLOPS numbers advertised by Intel

    https://software.intel.com/es-es/forums/intel-isa-extensions/topic/291765

    Jan 30, 2010 ... I believe this is true of the Penryn peak performance, as well as Core I7. My Core 2 duo isn't capable of issuing multiply and add on the same ...

  2. SSE 4.2 on which processors?

    https://software.intel.com/es-es/forums/intel-isa-extensions/topic/301229

    31 Jul 2008 ... The code name for the current 45nm processors is Penryn; That of the next generation 45nm processors is Nehalem; SSE 4.2 is available only ...

  3. Build with Intel Compiler 11.0 a low-level project which doesn't and ...

    https://software.intel.com/es-es/forums/intel-c-compiler/topic/298396

    Feb 6, 2009 ... If I specify that I want the code for Penryn CPU (-QxS) why the compiler couldn't pull in just the dispatched functions for the Penryn code path ...

  4. Reduction on zero-trip loop, error in Intel Fortran/OpenMP ...

    https://software.intel.com/es-es/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/271004

    Oct 11, 2011 ... penryn and gfortran, gfortran and pgf95 yield the expected result for sum_b from the second, zero-trip loop. ifort gives some bogus value. I

  5. Getting stuck in ...

    https://software.intel.com/es-es/node/628722

    May 2, 2016 ... Penryn, Nehalem, Westmere see notes below. g9. AVX Sandy Bridge µarchitecture new since IPP v.6.1. h9. AVX2 Haswell µarchitecture.

  6. ipp-6.1.1.035-windows-ia32 v8 slower than t7 and w7 for ...

    https://software.intel.com/es-es/forums/intel-integrated-performance-primitives/topic/293522

    Oct 28, 2009 ... As for NT loads as suggested above, I don't think it has been implemented until Penryn, and, even in this case, it wouldn't work with RAM which ...

  7. double loop optim

    https://software.intel.com/es-es/forums/intel-c-compiler/topic/304210

    Nov 8, 2007 ... The incentive for undertaking such detailed work is limited, given that the Penryn CPUs are to be launched to market next week, and they ...

  8. compiler support for Core i7

    https://software.intel.com/es-es/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/269322

    Mar 5, 2009 ... ... point that -xsse4.2 isn't required to gain a performance advantage from Core i7, so all the really useful features work on the Penryn CPUs.

  9. popcnt latency/throughput in 64bits

    https://software.intel.com/es-es/forums/intel-isa-extensions/topic/289168

    15 Jun 2010 ... http://software.intel.com/en-us/articles/45nm-next-generation-intel-coret-2- processor-family-penryn-and-intel-streaming-simd-extensions-4-intel ...

  10. FFT and AVX cpu - different results on 64-bit platform

    https://software.intel.com/es-es/forums/intel-integrated-performance-primitives/topic/507004

    10 Mar 2014 ... When I built this program on 32-bit platform destPenryn and destAVX were exactly the same (ippi versions respectively p8 for Penryn and g9 for ...

  11. andps vs. andpd vs. pand

    https://software.intel.com/es-es/forums/intel-isa-extensions/topic/300557

    Sep 19, 2008 ... Note that a very similar situation applies to super shuffler operation on Penryn. At this point you might be wondering why we have the ...

  12. Optimization Flags for ifort 9

    https://software.intel.com/es-es/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/268838

    Dec 24, 2007 ... This could be the 65nm Merom/Conroe/Woodcrest family of processors, introduced in 2006, or the new 45nm Penryn family (which has ...

  13. ippStaticInit and ippGetCpuType fails to detect correct CPU

    https://software.intel.com/es-es/forums/intel-integrated-performance-primitives/topic/288029

    Aug 25, 2010 ... I tried the 64f versions of the functions and they produce the correct result while still using ippStaticInit (which select Penryn).Thanks for the help ...

  14. Installing software targeted for a particular cpu group

    https://software.intel.com/es-es/forums/intel-c-compiler/topic/300719

    Sep 9, 2008 ... Installer will not recognize newly released CPUs until the installer is updated; If a user upgrades his CPU (for example Core 2 Duo to Penryn ...

  15. counting core cycle

    https://software.intel.com/es-es/forums/intel-moderncode-for-parallel-architectures/topic/300007

    Oct 24, 2008 ... Only on Penryn and i7 (and AMD64 CPU) models does the rdtsc give results accurate to within a very few baseline cycles, which translates to ...

  16. SSE vs AVX optimized code generation

    https://software.intel.com/es-es/forums/intel-c-compiler/topic/326004

    Sep 3, 2012 ... Hi all, Have been using templates to write efficient, natural-looking maths that can be compiled against a variety of instruction sets and word ...

  17. Two bad optimization problems with SSE

    https://software.intel.com/es-es/forums/intel-c-compiler/topic/302851

    Mar 26, 2008 ... I've run the test on a Pentium M and on a Core 2 Duo Penryn. My general problem is that I simply cannot have a class like this: struct float4

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