gpu_kernel_utils.h File Reference

#include "config.h"
#include "gromacs/mdtypes/interaction_const.h"
#include "gromacs/nbnxm/nbnxm.h"
#include "gputraits.h"

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Description

NBNXM GPU kernel utility methods.

Macros
#define	GMX_ALWAYS_INLINE   GMX_DEVICE_ATTRIBUTE __attribute__((always_inline))

Functions
static GMX_DEVICE_ATTRIBUTE	__attribute__ ((always_inline)) T lerp(T d0
	Linear interpolation using exactly two FMA operations. More...

Variables
static GMX_DEVICE_ATTRIBUTE const float	two
return	value = 0.0F ? value : 0.0F
static GMX_DEVICE_ATTRIBUTE const T	valueTwo
static GMX_DEVICE_ATTRIBUTE const T const T	valueThree
static GMX_DEVICE_ATTRIBUTE T	d1
static GMX_DEVICE_ATTRIBUTE T T	t
static GMX_DEVICE_ATTRIBUTE int	offset

Function Documentation

static GMX_DEVICE_ATTRIBUTE __attribute__ ( (always_inline)  )

inlinestatic

Linear interpolation using exactly two FMA operations.

Implements numeric equivalent of: (1-t)*d0 + t*d1.

Variable Documentation

GMX_DEVICE_ATTRIBUTE int offset

Initial value:

{



    return LDG(&input[offset])

GMX_DEVICE_ATTRIBUTE T T t

Initial value:

{
    return gmxGpuFma(t, d1, gmxGpuFma(-t, d0, d0))

GMX_DEVICE_ATTRIBUTE const float two

Initial value:

{



    const float value = one - two

GMX_DEVICE_ATTRIBUTE const T const T valueThree

Initial value:

{







    return __fma(valueOne, valueTwo, valueThree)