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  1. Consistency of Floating-Point Results using the Intel® Compiler ...

    https://software.intel.com/en-us/articles/consistency-of-floating-point-results-using-the-intel-compiler

    Aug 2, 2012 ... Tradeoffs between floating-point accuracy, reproducibility and performance are ... -fp-model precise -fp-model source (Linux* or OS X*).

  2. Floating-point control in the Intel® compiler and libraries or Why ...

    https://software.intel.com/sites/default/files/article/326703/fp-control-2012-08.pdf

    The finite precision of floating-point operations leads to an inherent uncertainty ... -fp-trap=common Unmask floating point exceptions (C/C++ only). /fpe:0. -fpe0.

  3. floating point precision

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/635262

    May 30, 2016 ... Using Intel's i5 and i7 hardware, would a double precision ieee format be better utilized with a REAL( kind = 10 ) rather than a REAL ( kind = 8 ) ...

  4. Differences in Floating-Point Arithmetic Between Intel® Xeon ...

    https://software.intel.com/en-us/articles/differences-in-floating-point-arithmetic-between-intel-xeon-processors-and-the-intel-xeon

    Mar 28, 2013 ... Download Article Download Differences in Floating-Point Arithmetic ... Extended ( 80-bit) precision is supported through the x87 instruction set.

  5. Single-precision Floating-point Vector Intrinsics | Intel® Software

    https://software.intel.com/en-us/node/524221?language=es

    The single-precision floating-point vector intrinsics listed here are designed for the Intel® Pentium® 4 processor with Streaming SIMD Extensions 3 (Intel® ...

  6. Consistency of Floating-Point Results

    https://software.intel.com/sites/default/files/article/164389/fp-consistency-102511.pdf

    (default) compiler chooses precision for expression evaluation. Floating-point exception semantics not enforced. Access to the FPU environment not allowed.

  7. Understanding floating point value with Intel® Fortran Compiler ...

    https://software.intel.com/en-us/articles/understanding-floating-point-value-with-intel-fortran-compiler

    Jul 22, 2012 ... This is a common question when dealing with floating point values. ... with Intel® Fortran Compiler (assuming A is in single precision, real(4) ...

  8. Inconsistency in floating point results on Different Architecture!!! How ...

    https://software.intel.com/en-us/forums/intel-c-compiler/topic/518464

    I am getting inconsistent floating point results when i run an application on ... To get consistent floating-point results, you should set "Precise ...

  9. Intel® Half-Precision Floating-Point Format Conversion Instructions ...

    https://software.intel.com/en-us/blogs/2013/09/30/intel-half-precision-floating-point-format-conversion-instructions

    Sep 30, 2013 ... In order to perform operations with such data, a half precision floating point value needs to be converted back a single precision floating point ...

  10. Quad precision floating point arithmetic with SSE/AVX?

    https://software.intel.com/en-us/forums/intel-isa-extensions/topic/283646

    Does latest x86 architecture offer native support for quad precision (QP)floating- point (FP)arithmetic?If no,canQP be emulatedon XMM and ...

  11. Performance Benefits of Half Precision Floats | Intel® Software

    https://software.intel.com/en-us/articles/performance-benefits-of-half-precision-floats

    Aug 15, 2012 ... Half precision floats are 16-bit floating-point numbers, which are half the size of traditional 32-bit single precision floats, and have lower ...

  12. OpenMP and floating point operations

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/361052

    Jan 22, 2013 ... Hello, I have a question about the precision of floating point operations while using openmp. I solve a large sparse matrix. Doing this without ...

  13. Compile error of "use of '/fp: ' option along with a floating point ...

    https://software.intel.com/en-us/forums/intel-c-compiler/topic/295865

    Jun 25, 2009 ... I got the compile error of "use of '/fp: ' option along with a floating point precision option not supported ". Please help me.Compiler version is ...

  14. Intel® C++ Compiler - Default Floating Point Unit Precision Is ...

    https://software.intel.com/en-us/articles/intel-c-compiler-default-floating-point-unit-precision-is-different-between-linux-and-windows

    Oct 3, 2008 ... The default FPU precision on Linux* is a 64-bit significant. This equates to the compiler switch -pc80. The corresponding setting on Windows* is ...

  15. Problem with Floating point precision (Compaq Visual Fortran 6.6C)

    https://software.intel.com/en-us/forums/intel-visual-fortran-compiler-for-windows/topic/275650

    Jun 20, 2006 ... I have following code:Code: real*8 r1,r2,r3 real*4 r4 r1=-1.20006351619769219d -0001 r2=+1.20005790949126556d-0001 r3=r2+r1 ...

  16. White Paper Differences in Floating-Point Arithmetic Between Intel ...

    https://software.intel.com/sites/default/files/article/382773/differences-in-floating-point-arithmetic-between-intel-xeon-processors-and-the-intel-xeon-phi.pdf

    The floating-point model used by the Intel® Compiler and its application to Intel® ... Single (32-bit) and double (64-bit) precision are supported in hardware; ...

  17. White Paper Differences in Floating-Point Arithmetic Between Intel ...

    https://software.intel.com/file/420203/download

    The same floating-point model applies to the Intel® Xeon Phi™ coprocessor, but the ... Single (32-bit) and double (64-bit) precision are supported in hardware; ...

  18. Run-to-Run Reproducibility of Floating-Point Calculations for ...

    https://software.intel.com/en-us/articles/run-to-run-reproducibility-of-floating-point-calculations-for-applications-on-intel-xeon

    Mar 26, 2013 ... This in turn changes the order of operations in a floating-point reduction; the rounding of different intermediate results to the declared precision ...

  19. loss of precision when replacing division by multiplication

    https://software.intel.com/en-us/forums/intel-fortran-compiler-for-linux-and-mac-os-x/topic/270740

    On the newer processors floating point division (SSE) is between 22 and ... small loss in precision, which may be attributable to round-off errors, ...

  20. Floating-Point Performance and Vectorization | Intel® Software

    https://software.intel.com/en-us/articles/floating-point-performance-and-vectorization

    Sep 8, 2011 ... Challenge Obtain excellent floating-point performance. ... For example, use single precision instead of double precision where possible, and ...

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