src/gromacs/hardware/identifyavx512fmaunits.h

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  35
  36 /*! \libinternal \file
  37  * \brief Defines a routine to check the number of AVX512 fma units
  38  *
  39  * \author Erik Lindahl <erik.lindahl@gmail.com>
  40  * \inlibraryapi
  41  * \ingroup module_hardware
  42  */
  43
  44 namespace gmx
  45 {
  46
  47 /*! \brief Test whether machine has dual AVX512 FMA units
  48  *
  49  * \return 1 or 2 for the number of AVX512 FMA units if AVX512
  50  *         support is present, 0 if we know the hardware does
  51  *         not have AVX512 support, or -1 if the test cannot
  52  *         run because the compiler lacked AVX512 support.
  53  */
  54 int identifyAvx512FmaUnits();
  55
  56 } // namespace gmx