/*************************************************************************************

Grid physics library, www.github.com/paboyle/Grid

Source file: ./lib/qcd/action/fermion/MobiusEOFAFermionvec.cc

Copyright (C) 2017

Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: Peter Boyle <peterboyle@Peters-MacBook-Pro-2.local>
Author: paboyle <paboyle@ph.ed.ac.uk>
Author: David Murphy <dmurphy@phys.columbia.edu>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
			   /*  END LEGAL */

#include <Grid/qcd/action/fermion/FermionCore.h>
#include <Grid/qcd/action/fermion/MobiusEOFAFermion.h>

NAMESPACE_BEGIN(Grid);

/*
 * Dense matrix versions of routines
 */
template<class Impl>
void MobiusEOFAFermion<Impl>::MooeeInv(const FermionField& psi, FermionField& chi)
{
  this->MooeeInternal(psi, chi, DaggerNo, InverseYes);
}

template<class Impl>
void MobiusEOFAFermion<Impl>::MooeeInv_shift(const FermionField& psi, FermionField& chi)
{
  this->MooeeInternal(psi, chi, DaggerNo, InverseYes);
}

template<class Impl>
void MobiusEOFAFermion<Impl>::MooeeInvDag(const FermionField& psi, FermionField& chi)
{
  this->MooeeInternal(psi, chi, DaggerYes, InverseYes);
}

template<class Impl>
void MobiusEOFAFermion<Impl>::MooeeInvDag_shift(const FermionField& psi, FermionField& chi)
{
  this->MooeeInternal(psi, chi, DaggerYes, InverseYes);
}

template<class Impl>
void MobiusEOFAFermion<Impl>::M5D(const FermionField& psi, const FermionField& phi,
				  FermionField& chi, std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper)
{
  GridBase* grid  = psi._grid;
  int Ls          = this->Ls;
  int LLs         = grid->_rdimensions[0];
  const int nsimd = Simd::Nsimd();

  Vector<iSinglet<Simd>> u(LLs);
  Vector<iSinglet<Simd>> l(LLs);
  Vector<iSinglet<Simd>> d(LLs);

  assert(Ls/LLs == nsimd);
  assert(phi.checkerboard == psi.checkerboard);

  chi.checkerboard = psi.checkerboard;

  // just directly address via type pun
  typedef typename Simd::scalar_type scalar_type;
  scalar_type* u_p = (scalar_type*) &u[0];
  scalar_type* l_p = (scalar_type*) &l[0];
  scalar_type* d_p = (scalar_type*) &d[0];

  for(int o=0; o<LLs; o++){ // outer
    for(int i=0; i<nsimd; i++){ //inner
      int s   = o + i*LLs;
      int ss  = o*nsimd + i;
      u_p[ss] = upper[s];
      l_p[ss] = lower[s];
      d_p[ss] = diag[s];
    }}

  this->M5Dcalls++;
  this->M5Dtime -= usecond();

  assert(Nc == 3);

  parallel_for(int ss=0; ss<grid->oSites(); ss+=LLs){ // adds LLs

#if 0

    alignas(64) SiteHalfSpinor hp;
    alignas(64) SiteHalfSpinor hm;
    alignas(64) SiteSpinor fp;
    alignas(64) SiteSpinor fm;

    for(int v=0; v<LLs; v++){

      int vp = (v+1)%LLs;
      int vm = (v+LLs-1)%LLs;

      spProj5m(hp, psi[ss+vp]);
      spProj5p(hm, psi[ss+vm]);

      if (vp <= v){ rotate(hp, hp, 1); }
      if (vm >= v){ rotate(hm, hm, nsimd-1); }

      hp = 0.5*hp;
      hm = 0.5*hm;

      spRecon5m(fp, hp);
      spRecon5p(fm, hm);

      chi[ss+v] = d[v]*phi[ss+v];
      chi[ss+v] = chi[ss+v] + u[v]*fp;
      chi[ss+v] = chi[ss+v] + l[v]*fm;

    }

#else

    for(int v=0; v<LLs; v++){

      vprefetch(psi[ss+v+LLs]);

      int vp = (v == LLs-1) ? 0     : v+1;
      int vm = (v == 0)     ? LLs-1 : v-1;

      Simd hp_00 = psi[ss+vp]()(2)(0);
      Simd hp_01 = psi[ss+vp]()(2)(1);
      Simd hp_02 = psi[ss+vp]()(2)(2);
      Simd hp_10 = psi[ss+vp]()(3)(0);
      Simd hp_11 = psi[ss+vp]()(3)(1);
      Simd hp_12 = psi[ss+vp]()(3)(2);

      Simd hm_00 = psi[ss+vm]()(0)(0);
      Simd hm_01 = psi[ss+vm]()(0)(1);
      Simd hm_02 = psi[ss+vm]()(0)(2);
      Simd hm_10 = psi[ss+vm]()(1)(0);
      Simd hm_11 = psi[ss+vm]()(1)(1);
      Simd hm_12 = psi[ss+vm]()(1)(2);

      if(vp <= v){
	hp_00.v = Optimization::Rotate::tRotate<2>(hp_00.v);
	hp_01.v = Optimization::Rotate::tRotate<2>(hp_01.v);
	hp_02.v = Optimization::Rotate::tRotate<2>(hp_02.v);
	hp_10.v = Optimization::Rotate::tRotate<2>(hp_10.v);
	hp_11.v = Optimization::Rotate::tRotate<2>(hp_11.v);
	hp_12.v = Optimization::Rotate::tRotate<2>(hp_12.v);
      }

      if(vm >= v){
	hm_00.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_00.v);
	hm_01.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_01.v);
	hm_02.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_02.v);
	hm_10.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_10.v);
	hm_11.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_11.v);
	hm_12.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_12.v);
      }

      // Can force these to real arithmetic and save 2x.
      Simd p_00 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_00);
      Simd p_01 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_01);
      Simd p_02 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_02);
      Simd p_10 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_10);
      Simd p_11 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_11);
      Simd p_12 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_12);
      Simd p_20 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_00);
      Simd p_21 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_01);
      Simd p_22 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_02);
      Simd p_30 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_10);
      Simd p_31 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_11);
      Simd p_32 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_12);

      vstream(chi[ss+v]()(0)(0), p_00);
      vstream(chi[ss+v]()(0)(1), p_01);
      vstream(chi[ss+v]()(0)(2), p_02);
      vstream(chi[ss+v]()(1)(0), p_10);
      vstream(chi[ss+v]()(1)(1), p_11);
      vstream(chi[ss+v]()(1)(2), p_12);
      vstream(chi[ss+v]()(2)(0), p_20);
      vstream(chi[ss+v]()(2)(1), p_21);
      vstream(chi[ss+v]()(2)(2), p_22);
      vstream(chi[ss+v]()(3)(0), p_30);
      vstream(chi[ss+v]()(3)(1), p_31);
      vstream(chi[ss+v]()(3)(2), p_32);
    }

#endif
  }

  this->M5Dtime += usecond();
}

template<class Impl>
void MobiusEOFAFermion<Impl>::M5D_shift(const FermionField& psi, const FermionField& phi,
					FermionField& chi, std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper,
					std::vector<Coeff_t>& shift_coeffs)
{
#if 0

  this->M5D(psi, phi, chi, lower, diag, upper);

  // FIXME: possible gain from vectorizing shift operation as well?
  Coeff_t one(1.0);
  int Ls = this->Ls;
  for(int s=0; s<Ls; s++){
    if(this->pm == 1){ axpby_ssp_pplus(chi, one, chi, shift_coeffs[s], psi, s, Ls-1); }
    else{ axpby_ssp_pminus(chi, one, chi, shift_coeffs[s], psi, s, 0); }
  }

#else

  GridBase* grid  = psi._grid;
  int Ls          = this->Ls;
  int LLs         = grid->_rdimensions[0];
  const int nsimd = Simd::Nsimd();

  Vector<iSinglet<Simd>> u(LLs);
  Vector<iSinglet<Simd>> l(LLs);
  Vector<iSinglet<Simd>> d(LLs);
  Vector<iSinglet<Simd>> s(LLs);

  assert(Ls/LLs == nsimd);
  assert(phi.checkerboard == psi.checkerboard);

  chi.checkerboard = psi.checkerboard;

  // just directly address via type pun
  typedef typename Simd::scalar_type scalar_type;
  scalar_type* u_p = (scalar_type*) &u[0];
  scalar_type* l_p = (scalar_type*) &l[0];
  scalar_type* d_p = (scalar_type*) &d[0];
  scalar_type* s_p = (scalar_type*) &s[0];

  for(int o=0; o<LLs; o++){ // outer
    for(int i=0; i<nsimd; i++){ //inner
      int s   = o + i*LLs;
      int ss  = o*nsimd + i;
      u_p[ss] = upper[s];
      l_p[ss] = lower[s];
      d_p[ss] = diag[s];
      s_p[ss] = shift_coeffs[s];
    }}

  this->M5Dcalls++;
  this->M5Dtime -= usecond();

  assert(Nc == 3);

  parallel_for(int ss=0; ss<grid->oSites(); ss+=LLs){ // adds LLs

    int vs     = (this->pm == 1) ? LLs-1 : 0;
    Simd hs_00 = (this->pm == 1) ? psi[ss+vs]()(2)(0) : psi[ss+vs]()(0)(0);
    Simd hs_01 = (this->pm == 1) ? psi[ss+vs]()(2)(1) : psi[ss+vs]()(0)(1);
    Simd hs_02 = (this->pm == 1) ? psi[ss+vs]()(2)(2) : psi[ss+vs]()(0)(2);
    Simd hs_10 = (this->pm == 1) ? psi[ss+vs]()(3)(0) : psi[ss+vs]()(1)(0);
    Simd hs_11 = (this->pm == 1) ? psi[ss+vs]()(3)(1) : psi[ss+vs]()(1)(1);
    Simd hs_12 = (this->pm == 1) ? psi[ss+vs]()(3)(2) : psi[ss+vs]()(1)(2);

    for(int v=0; v<LLs; v++){

      vprefetch(psi[ss+v+LLs]);

      int vp = (v == LLs-1) ? 0     : v+1;
      int vm = (v == 0)     ? LLs-1 : v-1;

      Simd hp_00 = psi[ss+vp]()(2)(0);
      Simd hp_01 = psi[ss+vp]()(2)(1);
      Simd hp_02 = psi[ss+vp]()(2)(2);
      Simd hp_10 = psi[ss+vp]()(3)(0);
      Simd hp_11 = psi[ss+vp]()(3)(1);
      Simd hp_12 = psi[ss+vp]()(3)(2);

      Simd hm_00 = psi[ss+vm]()(0)(0);
      Simd hm_01 = psi[ss+vm]()(0)(1);
      Simd hm_02 = psi[ss+vm]()(0)(2);
      Simd hm_10 = psi[ss+vm]()(1)(0);
      Simd hm_11 = psi[ss+vm]()(1)(1);
      Simd hm_12 = psi[ss+vm]()(1)(2);

      if(vp <= v){
	hp_00.v = Optimization::Rotate::tRotate<2>(hp_00.v);
	hp_01.v = Optimization::Rotate::tRotate<2>(hp_01.v);
	hp_02.v = Optimization::Rotate::tRotate<2>(hp_02.v);
	hp_10.v = Optimization::Rotate::tRotate<2>(hp_10.v);
	hp_11.v = Optimization::Rotate::tRotate<2>(hp_11.v);
	hp_12.v = Optimization::Rotate::tRotate<2>(hp_12.v);
      }

      if(this->pm == 1 && vs <= v){
	hs_00.v = Optimization::Rotate::tRotate<2>(hs_00.v);
	hs_01.v = Optimization::Rotate::tRotate<2>(hs_01.v);
	hs_02.v = Optimization::Rotate::tRotate<2>(hs_02.v);
	hs_10.v = Optimization::Rotate::tRotate<2>(hs_10.v);
	hs_11.v = Optimization::Rotate::tRotate<2>(hs_11.v);
	hs_12.v = Optimization::Rotate::tRotate<2>(hs_12.v);
      }

      if(vm >= v){
	hm_00.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_00.v);
	hm_01.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_01.v);
	hm_02.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_02.v);
	hm_10.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_10.v);
	hm_11.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_11.v);
	hm_12.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_12.v);
      }

      if(this->pm == -1 && vs >= v){
	hs_00.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_00.v);
	hs_01.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_01.v);
	hs_02.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_02.v);
	hs_10.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_10.v);
	hs_11.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_11.v);
	hs_12.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_12.v);
      }

      // Can force these to real arithmetic and save 2x.
      Simd p_00 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_00)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_00)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_00);
      Simd p_01 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_01)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_01)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_01);
      Simd p_02 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_02)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_02)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_02);
      Simd p_10 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_10)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_10)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_10);
      Simd p_11 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_11)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_11)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_11);
      Simd p_12 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_12)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_12)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_12);
      Simd p_20 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_00)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_00)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_00);
      Simd p_21 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_01)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_01)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_01);
      Simd p_22 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_02)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_02)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_02);
      Simd p_30 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_10)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_10)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_10);
      Simd p_31 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_11)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_11)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_11);
      Simd p_32 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_12)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_12)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_12);

      vstream(chi[ss+v]()(0)(0), p_00);
      vstream(chi[ss+v]()(0)(1), p_01);
      vstream(chi[ss+v]()(0)(2), p_02);
      vstream(chi[ss+v]()(1)(0), p_10);
      vstream(chi[ss+v]()(1)(1), p_11);
      vstream(chi[ss+v]()(1)(2), p_12);
      vstream(chi[ss+v]()(2)(0), p_20);
      vstream(chi[ss+v]()(2)(1), p_21);
      vstream(chi[ss+v]()(2)(2), p_22);
      vstream(chi[ss+v]()(3)(0), p_30);
      vstream(chi[ss+v]()(3)(1), p_31);
      vstream(chi[ss+v]()(3)(2), p_32);
    }
  }

  this->M5Dtime += usecond();

#endif
}

template<class Impl>
void MobiusEOFAFermion<Impl>::M5Ddag(const FermionField& psi, const FermionField& phi,
				     FermionField& chi, std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper)
{
  GridBase* grid = psi._grid;
  int Ls  = this->Ls;
  int LLs = grid->_rdimensions[0];
  int nsimd = Simd::Nsimd();

  Vector<iSinglet<Simd>> u(LLs);
  Vector<iSinglet<Simd>> l(LLs);
  Vector<iSinglet<Simd>> d(LLs);

  assert(Ls/LLs == nsimd);
  assert(phi.checkerboard == psi.checkerboard);

  chi.checkerboard = psi.checkerboard;

  // just directly address via type pun
  typedef typename Simd::scalar_type scalar_type;
  scalar_type* u_p = (scalar_type*) &u[0];
  scalar_type* l_p = (scalar_type*) &l[0];
  scalar_type* d_p = (scalar_type*) &d[0];

  for(int o=0; o<LLs; o++){ // outer
    for(int i=0; i<nsimd; i++){ //inner
      int s  = o + i*LLs;
      int ss = o*nsimd + i;
      u_p[ss] = upper[s];
      l_p[ss] = lower[s];
      d_p[ss] = diag[s];
    }}

  this->M5Dcalls++;
  this->M5Dtime -= usecond();

  parallel_for(int ss=0; ss<grid->oSites(); ss+=LLs){ // adds LLs

#if 0

    alignas(64) SiteHalfSpinor hp;
    alignas(64) SiteHalfSpinor hm;
    alignas(64) SiteSpinor fp;
    alignas(64) SiteSpinor fm;

    for(int v=0; v<LLs; v++){

      int vp = (v+1)%LLs;
      int vm = (v+LLs-1)%LLs;

      spProj5p(hp, psi[ss+vp]);
      spProj5m(hm, psi[ss+vm]);

      if(vp <= v){ rotate(hp, hp, 1); }
      if(vm >= v){ rotate(hm, hm, nsimd-1); }

      hp = hp*0.5;
      hm = hm*0.5;
      spRecon5p(fp, hp);
      spRecon5m(fm, hm);

      chi[ss+v] = d[v]*phi[ss+v]+u[v]*fp;
      chi[ss+v] = chi[ss+v]     +l[v]*fm;

    }

#else

    for(int v=0; v<LLs; v++){

      vprefetch(psi[ss+v+LLs]);

      int vp = (v == LLs-1) ? 0     : v+1;
      int vm = (v == 0    ) ? LLs-1 : v-1;

      Simd hp_00 = psi[ss+vp]()(0)(0);
      Simd hp_01 = psi[ss+vp]()(0)(1);
      Simd hp_02 = psi[ss+vp]()(0)(2);
      Simd hp_10 = psi[ss+vp]()(1)(0);
      Simd hp_11 = psi[ss+vp]()(1)(1);
      Simd hp_12 = psi[ss+vp]()(1)(2);

      Simd hm_00 = psi[ss+vm]()(2)(0);
      Simd hm_01 = psi[ss+vm]()(2)(1);
      Simd hm_02 = psi[ss+vm]()(2)(2);
      Simd hm_10 = psi[ss+vm]()(3)(0);
      Simd hm_11 = psi[ss+vm]()(3)(1);
      Simd hm_12 = psi[ss+vm]()(3)(2);

      if (vp <= v){
	hp_00.v = Optimization::Rotate::tRotate<2>(hp_00.v);
	hp_01.v = Optimization::Rotate::tRotate<2>(hp_01.v);
	hp_02.v = Optimization::Rotate::tRotate<2>(hp_02.v);
	hp_10.v = Optimization::Rotate::tRotate<2>(hp_10.v);
	hp_11.v = Optimization::Rotate::tRotate<2>(hp_11.v);
	hp_12.v = Optimization::Rotate::tRotate<2>(hp_12.v);
      }

      if(vm >= v){
	hm_00.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_00.v);
	hm_01.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_01.v);
	hm_02.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_02.v);
	hm_10.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_10.v);
	hm_11.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_11.v);
	hm_12.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_12.v);
      }

      Simd p_00 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_00);
      Simd p_01 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_01);
      Simd p_02 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_02);
      Simd p_10 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_10);
      Simd p_11 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_11);
      Simd p_12 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_12);
      Simd p_20 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_00);
      Simd p_21 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_01);
      Simd p_22 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_02);
      Simd p_30 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_10);
      Simd p_31 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_11);
      Simd p_32 = switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_12);

      vstream(chi[ss+v]()(0)(0), p_00);
      vstream(chi[ss+v]()(0)(1), p_01);
      vstream(chi[ss+v]()(0)(2), p_02);
      vstream(chi[ss+v]()(1)(0), p_10);
      vstream(chi[ss+v]()(1)(1), p_11);
      vstream(chi[ss+v]()(1)(2), p_12);
      vstream(chi[ss+v]()(2)(0), p_20);
      vstream(chi[ss+v]()(2)(1), p_21);
      vstream(chi[ss+v]()(2)(2), p_22);
      vstream(chi[ss+v]()(3)(0), p_30);
      vstream(chi[ss+v]()(3)(1), p_31);
      vstream(chi[ss+v]()(3)(2), p_32);

    }

#endif

  }

  this->M5Dtime += usecond();
}

template<class Impl>
void MobiusEOFAFermion<Impl>::M5Ddag_shift(const FermionField& psi, const FermionField& phi,
					   FermionField& chi, std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper,
					   std::vector<Coeff_t>& shift_coeffs)
{
#if 0

  this->M5Ddag(psi, phi, chi, lower, diag, upper);

  // FIXME: possible gain from vectorizing shift operation as well?
  Coeff_t one(1.0);
  int Ls = this->Ls;
  for(int s=0; s<Ls; s++){
    if(this->pm == 1){ axpby_ssp_pplus(chi, one, chi, shift_coeffs[s], psi, Ls-1, s); }
    else{ axpby_ssp_pminus(chi, one, chi, shift_coeffs[s], psi, 0, s); }
  }

#else

  GridBase* grid = psi._grid;
  int Ls  = this->Ls;
  int LLs = grid->_rdimensions[0];
  int nsimd = Simd::Nsimd();

  Vector<iSinglet<Simd>> u(LLs);
  Vector<iSinglet<Simd>> l(LLs);
  Vector<iSinglet<Simd>> d(LLs);
  Vector<iSinglet<Simd>> s(LLs);

  assert(Ls/LLs == nsimd);
  assert(phi.checkerboard == psi.checkerboard);

  chi.checkerboard = psi.checkerboard;

  // just directly address via type pun
  typedef typename Simd::scalar_type scalar_type;
  scalar_type* u_p = (scalar_type*) &u[0];
  scalar_type* l_p = (scalar_type*) &l[0];
  scalar_type* d_p = (scalar_type*) &d[0];
  scalar_type* s_p = (scalar_type*) &s[0];

  for(int o=0; o<LLs; o++){ // outer
    for(int i=0; i<nsimd; i++){ //inner
      int s  = o + i*LLs;
      int ss = o*nsimd + i;
      u_p[ss] = upper[s];
      l_p[ss] = lower[s];
      d_p[ss] = diag[s];
      s_p[ss] = shift_coeffs[s];
    }}

  this->M5Dcalls++;
  this->M5Dtime -= usecond();

  parallel_for(int ss=0; ss<grid->oSites(); ss+=LLs){ // adds LLs

    int vs     = (this->pm == 1) ? LLs-1 : 0;
    Simd hs_00 = (this->pm == 1) ? psi[ss+vs]()(0)(0) : psi[ss+vs]()(2)(0);
    Simd hs_01 = (this->pm == 1) ? psi[ss+vs]()(0)(1) : psi[ss+vs]()(2)(1);
    Simd hs_02 = (this->pm == 1) ? psi[ss+vs]()(0)(2) : psi[ss+vs]()(2)(2);
    Simd hs_10 = (this->pm == 1) ? psi[ss+vs]()(1)(0) : psi[ss+vs]()(3)(0);
    Simd hs_11 = (this->pm == 1) ? psi[ss+vs]()(1)(1) : psi[ss+vs]()(3)(1);
    Simd hs_12 = (this->pm == 1) ? psi[ss+vs]()(1)(2) : psi[ss+vs]()(3)(2);

    for(int v=0; v<LLs; v++){

      vprefetch(psi[ss+v+LLs]);

      int vp = (v == LLs-1) ? 0     : v+1;
      int vm = (v == 0    ) ? LLs-1 : v-1;

      Simd hp_00 = psi[ss+vp]()(0)(0);
      Simd hp_01 = psi[ss+vp]()(0)(1);
      Simd hp_02 = psi[ss+vp]()(0)(2);
      Simd hp_10 = psi[ss+vp]()(1)(0);
      Simd hp_11 = psi[ss+vp]()(1)(1);
      Simd hp_12 = psi[ss+vp]()(1)(2);

      Simd hm_00 = psi[ss+vm]()(2)(0);
      Simd hm_01 = psi[ss+vm]()(2)(1);
      Simd hm_02 = psi[ss+vm]()(2)(2);
      Simd hm_10 = psi[ss+vm]()(3)(0);
      Simd hm_11 = psi[ss+vm]()(3)(1);
      Simd hm_12 = psi[ss+vm]()(3)(2);

      if (vp <= v){
	hp_00.v = Optimization::Rotate::tRotate<2>(hp_00.v);
	hp_01.v = Optimization::Rotate::tRotate<2>(hp_01.v);
	hp_02.v = Optimization::Rotate::tRotate<2>(hp_02.v);
	hp_10.v = Optimization::Rotate::tRotate<2>(hp_10.v);
	hp_11.v = Optimization::Rotate::tRotate<2>(hp_11.v);
	hp_12.v = Optimization::Rotate::tRotate<2>(hp_12.v);
      }

      if(this->pm == 1 && vs <= v){
	hs_00.v = Optimization::Rotate::tRotate<2>(hs_00.v);
	hs_01.v = Optimization::Rotate::tRotate<2>(hs_01.v);
	hs_02.v = Optimization::Rotate::tRotate<2>(hs_02.v);
	hs_10.v = Optimization::Rotate::tRotate<2>(hs_10.v);
	hs_11.v = Optimization::Rotate::tRotate<2>(hs_11.v);
	hs_12.v = Optimization::Rotate::tRotate<2>(hs_12.v);
      }

      if(vm >= v){
	hm_00.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_00.v);
	hm_01.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_01.v);
	hm_02.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_02.v);
	hm_10.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_10.v);
	hm_11.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_11.v);
	hm_12.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hm_12.v);
      }

      if(this->pm == -1 && vs >= v){
	hs_00.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_00.v);
	hs_01.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_01.v);
	hs_02.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_02.v);
	hs_10.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_10.v);
	hs_11.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_11.v);
	hs_12.v = Optimization::Rotate::tRotate<2*Simd::Nsimd()-2>(hs_12.v);
      }

      Simd p_00 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_00)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_00)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_00);
      Simd p_01 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_01)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_01)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_01);
      Simd p_02 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_02)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_02)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(0)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_02);
      Simd p_10 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_10)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_10)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(0)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_10);
      Simd p_11 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_11)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_11)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(1)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_11);
      Simd p_12 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_12)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_12)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(1)(2)) + switcheroo<Coeff_t>::mult(u[v]()()(), hp_12);
      Simd p_20 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_00)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_00)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_00);
      Simd p_21 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_01)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_01)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_01);
      Simd p_22 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_02)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(2)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_02)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_02);
      Simd p_30 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_10)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(0)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_10)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_10);
      Simd p_31 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_11)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(1)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_11)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_11);
      Simd p_32 = (this->pm == 1) ? switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_12)
	: switcheroo<Coeff_t>::mult(d[v]()()(), phi[ss+v]()(3)(2)) + switcheroo<Coeff_t>::mult(l[v]()()(), hm_12)
	+ switcheroo<Coeff_t>::mult(s[v]()()(), hs_12);

      vstream(chi[ss+v]()(0)(0), p_00);
      vstream(chi[ss+v]()(0)(1), p_01);
      vstream(chi[ss+v]()(0)(2), p_02);
      vstream(chi[ss+v]()(1)(0), p_10);
      vstream(chi[ss+v]()(1)(1), p_11);
      vstream(chi[ss+v]()(1)(2), p_12);
      vstream(chi[ss+v]()(2)(0), p_20);
      vstream(chi[ss+v]()(2)(1), p_21);
      vstream(chi[ss+v]()(2)(2), p_22);
      vstream(chi[ss+v]()(3)(0), p_30);
      vstream(chi[ss+v]()(3)(1), p_31);
      vstream(chi[ss+v]()(3)(2), p_32);

    }

  }

  this->M5Dtime += usecond();

#endif
}

#ifdef AVX512
#include<simd/Intel512common.h>
#include<simd/Intel512avx.h>
#include<simd/Intel512single.h>
#endif

template<class Impl>
void MobiusEOFAFermion<Impl>::MooeeInternalAsm(const FermionField& psi, FermionField& chi,
					       int LLs, int site, Vector<iSinglet<Simd> >& Matp, Vector<iSinglet<Simd> >& Matm)
{
#ifndef AVX512
  {
    SiteHalfSpinor BcastP;
    SiteHalfSpinor BcastM;
    SiteHalfSpinor SiteChiP;
    SiteHalfSpinor SiteChiM;

    // Ls*Ls * 2 * 12 * vol flops
    for(int s1=0; s1<LLs; s1++){

      for(int s2=0; s2<LLs; s2++){
	for(int l=0; l < Simd::Nsimd(); l++){ // simd lane

	  int s = s2 + l*LLs;
	  int lex = s2 + LLs*site;

	  if( s2==0 && l==0 ){
	    SiteChiP=zero;
	    SiteChiM=zero;
	  }

	  for(int sp=0; sp<2;  sp++){
            for(int co=0; co<Nc; co++){
              vbroadcast(BcastP()(sp)(co), psi[lex]()(sp)(co), l);
            }}

	  for(int sp=0; sp<2;  sp++){
            for(int co=0; co<Nc; co++){
              vbroadcast(BcastM()(sp)(co), psi[lex]()(sp+2)(co), l);
            }}

	  for(int sp=0; sp<2;  sp++){
            for(int co=0; co<Nc; co++){
              SiteChiP()(sp)(co) = real_madd(Matp[LLs*s+s1]()()(), BcastP()(sp)(co), SiteChiP()(sp)(co)); // 1100 us.
              SiteChiM()(sp)(co) = real_madd(Matm[LLs*s+s1]()()(), BcastM()(sp)(co), SiteChiM()(sp)(co)); // each found by commenting out
            }}
	}}

      {
	int lex = s1 + LLs*site;
	for(int sp=0; sp<2;  sp++){
	  for(int co=0; co<Nc; co++){
	    vstream(chi[lex]()(sp)(co),   SiteChiP()(sp)(co));
	    vstream(chi[lex]()(sp+2)(co), SiteChiM()(sp)(co));
	  }}
      }
    }
  }
#else
  {
    // pointers
    //  MASK_REGS;
#define Chi_00 %%zmm1
#define Chi_01 %%zmm2
#define Chi_02 %%zmm3
#define Chi_10 %%zmm4
#define Chi_11 %%zmm5
#define Chi_12 %%zmm6
#define Chi_20 %%zmm7
#define Chi_21 %%zmm8
#define Chi_22 %%zmm9
#define Chi_30 %%zmm10
#define Chi_31 %%zmm11
#define Chi_32 %%zmm12

#define BCAST0  %%zmm13
#define BCAST1  %%zmm14
#define BCAST2  %%zmm15
#define BCAST3  %%zmm16
#define BCAST4  %%zmm17
#define BCAST5  %%zmm18
#define BCAST6  %%zmm19
#define BCAST7  %%zmm20
#define BCAST8  %%zmm21
#define BCAST9  %%zmm22
#define BCAST10 %%zmm23
#define BCAST11 %%zmm24

    int incr = LLs*LLs*sizeof(iSinglet<Simd>);

    for(int s1=0; s1<LLs; s1++){

      for(int s2=0; s2<LLs; s2++){

	int lex = s2 + LLs*site;
	uint64_t a0 = (uint64_t) &Matp[LLs*s2+s1]; // should be cacheable
	uint64_t a1 = (uint64_t) &Matm[LLs*s2+s1];
	uint64_t a2 = (uint64_t) &psi[lex];

	for(int l=0; l<Simd::Nsimd(); l++){ // simd lane

	  if((s2+l)==0) {
	    asm(
		VPREFETCH1(0,%2)              VPREFETCH1(0,%1)
		VPREFETCH1(12,%2)  	          VPREFETCH1(13,%2)
		VPREFETCH1(14,%2)  	          VPREFETCH1(15,%2)
		VBCASTCDUP(0,%2,BCAST0)
		VBCASTCDUP(1,%2,BCAST1)
		VBCASTCDUP(2,%2,BCAST2)
		VBCASTCDUP(3,%2,BCAST3)
		VBCASTCDUP(4,%2,BCAST4)       VMULMEM(0,%0,BCAST0,Chi_00)
		VBCASTCDUP(5,%2,BCAST5)       VMULMEM(0,%0,BCAST1,Chi_01)
		VBCASTCDUP(6,%2,BCAST6)       VMULMEM(0,%0,BCAST2,Chi_02)
		VBCASTCDUP(7,%2,BCAST7)       VMULMEM(0,%0,BCAST3,Chi_10)
		VBCASTCDUP(8,%2,BCAST8)       VMULMEM(0,%0,BCAST4,Chi_11)
		VBCASTCDUP(9,%2,BCAST9)       VMULMEM(0,%0,BCAST5,Chi_12)
		VBCASTCDUP(10,%2,BCAST10)     VMULMEM(0,%1,BCAST6,Chi_20)
		VBCASTCDUP(11,%2,BCAST11)     VMULMEM(0,%1,BCAST7,Chi_21)
		VMULMEM(0,%1,BCAST8,Chi_22)
		VMULMEM(0,%1,BCAST9,Chi_30)
		VMULMEM(0,%1,BCAST10,Chi_31)
		VMULMEM(0,%1,BCAST11,Chi_32)
		: : "r" (a0), "r" (a1), "r" (a2)                            );
	  } else {
	    asm(
		VBCASTCDUP(0,%2,BCAST0)   VMADDMEM(0,%0,BCAST0,Chi_00)
		VBCASTCDUP(1,%2,BCAST1)   VMADDMEM(0,%0,BCAST1,Chi_01)
		VBCASTCDUP(2,%2,BCAST2)   VMADDMEM(0,%0,BCAST2,Chi_02)
		VBCASTCDUP(3,%2,BCAST3)   VMADDMEM(0,%0,BCAST3,Chi_10)
		VBCASTCDUP(4,%2,BCAST4)   VMADDMEM(0,%0,BCAST4,Chi_11)
		VBCASTCDUP(5,%2,BCAST5)   VMADDMEM(0,%0,BCAST5,Chi_12)
		VBCASTCDUP(6,%2,BCAST6)   VMADDMEM(0,%1,BCAST6,Chi_20)
		VBCASTCDUP(7,%2,BCAST7)   VMADDMEM(0,%1,BCAST7,Chi_21)
		VBCASTCDUP(8,%2,BCAST8)   VMADDMEM(0,%1,BCAST8,Chi_22)
		VBCASTCDUP(9,%2,BCAST9)   VMADDMEM(0,%1,BCAST9,Chi_30)
		VBCASTCDUP(10,%2,BCAST10) VMADDMEM(0,%1,BCAST10,Chi_31)
		VBCASTCDUP(11,%2,BCAST11) VMADDMEM(0,%1,BCAST11,Chi_32)
		: : "r" (a0), "r" (a1), "r" (a2)                            );
	  }

	  a0 = a0 + incr;
	  a1 = a1 + incr;
	  a2 = a2 + sizeof(Simd::scalar_type);
	}
      }

      {
	int lexa = s1+LLs*site;
	asm (
	     VSTORE(0,%0,Chi_00) VSTORE(1 ,%0,Chi_01)  VSTORE(2 ,%0,Chi_02)
	     VSTORE(3,%0,Chi_10) VSTORE(4 ,%0,Chi_11)  VSTORE(5 ,%0,Chi_12)
	     VSTORE(6,%0,Chi_20) VSTORE(7 ,%0,Chi_21)  VSTORE(8 ,%0,Chi_22)
	     VSTORE(9,%0,Chi_30) VSTORE(10,%0,Chi_31)  VSTORE(11,%0,Chi_32)
	     : : "r" ((uint64_t)&chi[lexa]) : "memory" );
      }
    }
  }

#undef Chi_00
#undef Chi_01
#undef Chi_02
#undef Chi_10
#undef Chi_11
#undef Chi_12
#undef Chi_20
#undef Chi_21
#undef Chi_22
#undef Chi_30
#undef Chi_31
#undef Chi_32

#undef BCAST0
#undef BCAST1
#undef BCAST2
#undef BCAST3
#undef BCAST4
#undef BCAST5
#undef BCAST6
#undef BCAST7
#undef BCAST8
#undef BCAST9
#undef BCAST10
#undef BCAST11

#endif
};

// Z-mobius version
template<class Impl>
void MobiusEOFAFermion<Impl>::MooeeInternalZAsm(const FermionField& psi, FermionField& chi,
						int LLs, int site, Vector<iSinglet<Simd> >& Matp, Vector<iSinglet<Simd> >& Matm)
{
  std::cout << "Error: zMobius not implemented for EOFA" << std::endl;
  exit(-1);
};

template<class Impl>
void MobiusEOFAFermion<Impl>::MooeeInternal(const FermionField& psi, FermionField& chi, int dag, int inv)
{
  int Ls  = this->Ls;
  int LLs = psi._grid->_rdimensions[0];
  int vol = psi._grid->oSites()/LLs;

  chi.checkerboard = psi.checkerboard;

  Vector<iSinglet<Simd>>   Matp;
  Vector<iSinglet<Simd>>   Matm;
  Vector<iSinglet<Simd>>* _Matp;
  Vector<iSinglet<Simd>>* _Matm;

  //  MooeeInternalCompute(dag,inv,Matp,Matm);
  if(inv && dag){
    _Matp = &this->MatpInvDag;
    _Matm = &this->MatmInvDag;
  }

  if(inv && (!dag)){
    _Matp = &this->MatpInv;
    _Matm = &this->MatmInv;
  }

  if(!inv){
    MooeeInternalCompute(dag, inv, Matp, Matm);
    _Matp = &Matp;
    _Matm = &Matm;
  }

  assert(_Matp->size() == Ls*LLs);

  this->MooeeInvCalls++;
  this->MooeeInvTime -= usecond();

  if(switcheroo<Coeff_t>::iscomplex()){
    parallel_for(auto site=0; site<vol; site++){
      MooeeInternalZAsm(psi, chi, LLs, site, *_Matp, *_Matm);
    }
  } else {
    parallel_for(auto site=0; site<vol; site++){
      MooeeInternalAsm(psi, chi, LLs, site, *_Matp, *_Matm);
    }
  }

  this->MooeeInvTime += usecond();
}

#ifdef MOBIUS_EOFA_DPERP_VEC

INSTANTIATE_DPERP_MOBIUS_EOFA(DomainWallVec5dImplD);
INSTANTIATE_DPERP_MOBIUS_EOFA(DomainWallVec5dImplF);
INSTANTIATE_DPERP_MOBIUS_EOFA(ZDomainWallVec5dImplD);
INSTANTIATE_DPERP_MOBIUS_EOFA(ZDomainWallVec5dImplF);

INSTANTIATE_DPERP_MOBIUS_EOFA(DomainWallVec5dImplDF);
INSTANTIATE_DPERP_MOBIUS_EOFA(DomainWallVec5dImplFH);
INSTANTIATE_DPERP_MOBIUS_EOFA(ZDomainWallVec5dImplDF);
INSTANTIATE_DPERP_MOBIUS_EOFA(ZDomainWallVec5dImplFH);

template void MobiusEOFAFermion<DomainWallVec5dImplF>::MooeeInternal(const FermionField& psi, FermionField& chi, int dag, int inv);
template void MobiusEOFAFermion<DomainWallVec5dImplD>::MooeeInternal(const FermionField& psi, FermionField& chi, int dag, int inv);
template void MobiusEOFAFermion<ZDomainWallVec5dImplF>::MooeeInternal(const FermionField& psi, FermionField& chi, int dag, int inv);
template void MobiusEOFAFermion<ZDomainWallVec5dImplD>::MooeeInternal(const FermionField& psi, FermionField& chi, int dag, int inv);

template void MobiusEOFAFermion<DomainWallVec5dImplFH>::MooeeInternal(const FermionField& psi, FermionField& chi, int dag, int inv);
template void MobiusEOFAFermion<DomainWallVec5dImplDF>::MooeeInternal(const FermionField& psi, FermionField& chi, int dag, int inv);
template void MobiusEOFAFermion<ZDomainWallVec5dImplFH>::MooeeInternal(const FermionField& psi, FermionField& chi, int dag, int inv);
template void MobiusEOFAFermion<ZDomainWallVec5dImplDF>::MooeeInternal(const FermionField& psi, FermionField& chi, int dag, int inv);

#endif

NAMESPACE_END(Grid);