CpuNonbondedForceFvec.cpp

/* Portions copyright (c) 2006-2015 Stanford University and Simbios.
 * Contributors: Daniel Towner
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject
 * to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS, CONTRIBUTORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "CpuNonbondedForceFvec.h"

OpenMM::CpuNonbondedForce* createCpuNonbondedForceVec4();
OpenMM::CpuNonbondedForce* createCpuNonbondedForceAvx();
OpenMM::CpuNonbondedForce* createCpuNonbondedForceAvx2();

bool isAvxSupported();
bool isAvx2Supported();

#include <iostream>

OpenMM::CpuNonbondedForce* createCpuNonbondedForceVec() {
    if (isAvx2Supported())
        return createCpuNonbondedForceAvx2();
    else if (isAvxSupported())
        return createCpuNonbondedForceAvx();
    else
        return createCpuNonbondedForceVec4();
}

int getVecBlockSize() {
    if (isAvx2Supported() || isAvxSupported())
        return 8;
    else
        return 4;
}