Commit 6842a527 authored by Trung Nguyen's avatar Trung Nguyen
Browse files

Fixed bugs and added born/coul/long/cs/gpu and coul/long/cs/gpu, need tests

parent d094bf78
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+30 −2
Original line number Diff line number Diff line
@@ -79,7 +79,9 @@ OBJS = $(OBJ_DIR)/lal_atom.o $(OBJ_DIR)/lal_ans.o \
       $(OBJ_DIR)/lal_lj_cubic.o $(OBJ_DIR)/lal_lj_cubic_ext.o \
       $(OBJ_DIR)/lal_ufm.o $(OBJ_DIR)/lal_ufm_ext.o \
       $(OBJ_DIR)/lal_dipole_long_lj.o $(OBJ_DIR)/lal_dipole_long_lj_ext.o \
       $(OBJ_DIR)/lal_lj_expand_coul_long.o $(OBJ_DIR)/lal_lj_expand_coul_long_ext.o
       $(OBJ_DIR)/lal_lj_expand_coul_long.o $(OBJ_DIR)/lal_lj_expand_coul_long_ext.o \
       $(OBJ_DIR)/lal_coul_long_cs.o $(OBJ_DIR)/lal_coul_long_cs_ext.o \
       $(OBJ_DIR)/lal_born_coul_long_cs.o $(OBJ_DIR)/lal_born_coul_long_cs_ext.o

CBNS = $(OBJ_DIR)/device.cubin $(OBJ_DIR)/device_cubin.h \
       $(OBJ_DIR)/atom.cubin $(OBJ_DIR)/atom_cubin.h \
@@ -137,7 +139,9 @@ CBNS = $(OBJ_DIR)/device.cubin $(OBJ_DIR)/device_cubin.h \
       $(OBJ_DIR)/lj_cubic.cubin $(OBJ_DIR)/lj_cubic_cubin.h \
       $(OBJ_DIR)/ufm.cubin $(OBJ_DIR)/ufm_cubin.h \
       $(OBJ_DIR)/dipole_long_lj.cubin $(OBJ_DIR)/dipole_long_lj_cubin.h \
       $(OBJ_DIR)/lj_expand_coul_long.cubin $(OBJ_DIR)/lj_expand_coul_long_cubin.h
       $(OBJ_DIR)/lj_expand_coul_long.cubin $(OBJ_DIR)/lj_expand_coul_long_cubin.h \
       $(OBJ_DIR)/coul_long_cs.cubin $(OBJ_DIR)/coul_long_cs_cubin.h \
       $(OBJ_DIR)/born_coul_long_cs.cubin $(OBJ_DIR)/born_coul_long_cs_cubin.h

all: $(OBJ_DIR) $(GPU_LIB) $(EXECS)

@@ -837,6 +841,30 @@ $(OBJ_DIR)/lal_lj_expand_coul_long.o: $(ALL_H) lal_lj_expand_coul_long.h lal_lj_
$(OBJ_DIR)/lal_lj_expand_coul_long_ext.o: $(ALL_H) lal_lj_expand_coul_long.h lal_lj_expand_coul_long_ext.cpp lal_base_charge.h
	$(CUDR) -o $@ -c lal_lj_expand_coul_long_ext.cpp -I$(OBJ_DIR)

$(OBJ_DIR)/coul_long_cs.cubin: lal_coul_long_cs.cu lal_precision.h lal_preprocessor.h
	$(CUDA) --cubin -DNV_KERNEL -o $@ lal_coul_long_cs.cu

$(OBJ_DIR)/coul_long_cs_cubin.h: $(OBJ_DIR)/coul_long_cs.cubin $(OBJ_DIR)/coul_long_cs.cubin
	$(BIN2C) -c -n coul_long_cs $(OBJ_DIR)/coul_long_cs.cubin > $(OBJ_DIR)/coul_long_cs_cubin.h

$(OBJ_DIR)/lal_coul_long_cs.o: $(ALL_H) lal_coul_long_cs.h lal_coul_long_cs.cpp $(OBJ_DIR)/coul_long_cs_cubin.h $(OBJ_DIR)/lal_base_charge.o
	$(CUDR) -o $@ -c lal_coul_long_cs.cpp -I$(OBJ_DIR)

$(OBJ_DIR)/lal_coul_long_cs_ext.o: $(ALL_H) lal_coul_long_cs.h lal_coul_long_cs_ext.cpp lal_base_charge.h
	$(CUDR) -o $@ -c lal_coul_long_cs_ext.cpp -I$(OBJ_DIR)

$(OBJ_DIR)/born_coul_long_cs.cubin: lal_born_coul_long_cs.cu lal_precision.h lal_preprocessor.h
	$(CUDA) --cubin -DNV_KERNEL -o $@ lal_born_coul_long_cs.cu

$(OBJ_DIR)/born_coul_long_cs_cubin.h: $(OBJ_DIR)/born_coul_long_cs.cubin $(OBJ_DIR)/born_coul_long_cs.cubin
	$(BIN2C) -c -n born_coul_long_cs $(OBJ_DIR)/born_coul_long_cs.cubin > $(OBJ_DIR)/born_coul_long_cs_cubin.h

$(OBJ_DIR)/lal_born_coul_long_cs.o: $(ALL_H) lal_born_coul_long_cs.h lal_born_coul_long_cs.cpp $(OBJ_DIR)/born_coul_long_cs_cubin.h $(OBJ_DIR)/lal_base_charge.o
	$(CUDR) -o $@ -c lal_born_coul_long_cs.cpp -I$(OBJ_DIR)

$(OBJ_DIR)/lal_born_coul_long_cs_ext.o: $(ALL_H) lal_born_coul_long_cs.h lal_born_coul_long_cs_ext.cpp lal_base_charge.h
	$(CUDR) -o $@ -c lal_born_coul_long_cs_ext.cpp -I$(OBJ_DIR)

$(BIN_DIR)/nvc_get_devices: ./geryon/ucl_get_devices.cpp $(NVD_H)
	$(CUDR) -o $@ ./geryon/ucl_get_devices.cpp -DUCL_CUDADR $(CUDA_LIB) -lcuda 

+23 −2
Original line number Diff line number Diff line
@@ -68,7 +68,9 @@ OBJS = $(OBJ_DIR)/lal_atom.o $(OBJ_DIR)/lal_answer.o \
       $(OBJ_DIR)/lal_lj_cubic.o $(OBJ_DIR)/lal_lj_cubic_ext.o \
       $(OBJ_DIR)/lal_ufm.o $(OBJ_DIR)/lal_ufm_ext.o \
       $(OBJ_DIR)/lal_dipole_long_lj.o $(OBJ_DIR)/lal_dipole_long_lj_ext.o \
       $(OBJ_DIR)/lal_lj_expand_coul_long.o $(OBJ_DIR)/lal_lj_expand_coul_long_ext.o
       $(OBJ_DIR)/lal_lj_expand_coul_long.o $(OBJ_DIR)/lal_lj_expand_coul_long_ext.o \
       $(OBJ_DIR)/lal_coul_long_cs.o $(OBJ_DIR)/lal_coul_long_cs_ext.o \
       $(OBJ_DIR)/lal_born_coul_long_cs.o $(OBJ_DIR)/lal_born_coul_long_cs_ext.o

KERS = $(OBJ_DIR)/device_cl.h $(OBJ_DIR)/atom_cl.h \
       $(OBJ_DIR)/neighbor_cpu_cl.h $(OBJ_DIR)/pppm_cl.h \
@@ -98,7 +100,8 @@ KERS = $(OBJ_DIR)/device_cl.h $(OBJ_DIR)/atom_cl.h \
       $(OBJ_DIR)/coul_debye_cl.h $(OBJ_DIR)/zbl_cl.h \
       $(OBJ_DIR)/lj_cubic_cl.h $(OBJ_DIR)/vashishta_cl.h \
       $(OBJ_DIR)/ufm_cl.h  $(OBJ_DIR)/dipole_long_lj_cl.h \
       $(OBJ_DIR)/lj_expand_coul_long_cl.h
       $(OBJ_DIR)/lj_expand_coul_long_cl.h $(OBJ_DIR)/coul_long_cs_cl.h \
       $(OBJ_DIR)/born_coul_long_cs_cl.h


OCL_EXECS = $(BIN_DIR)/ocl_get_devices
@@ -609,6 +612,24 @@ $(OBJ_DIR)/lal_lj_expand_coul_long.o: $(ALL_H) lal_lj_expand_coul_long.h lal_lj_
$(OBJ_DIR)/lal_lj_expand_coul_long_ext.o: $(ALL_H) lal_lj_expand_coul_long.h lal_lj_expand_coul_long_ext.cpp lal_base_charge.h
	$(OCL) -o $@ -c lal_lj_expand_coul_long_ext.cpp -I$(OBJ_DIR)

$(OBJ_DIR)/coul_long_cs_cl.h: lal_coul_long_cs.cu $(PRE1_H)
	$(BSH) ./geryon/file_to_cstr.sh coul_long_cs $(PRE1_H) lal_coul_long_cs.cu $(OBJ_DIR)/coul_long_cs_cl.h;

$(OBJ_DIR)/lal_coul_long_cs.o: $(ALL_H) lal_coul_long_cs.h lal_coul_long_cs.cpp  $(OBJ_DIR)/coul_long_cs_cl.h $(OBJ_DIR)/coul_long_cs_cl.h $(OBJ_DIR)/lal_base_charge.o
	$(OCL) -o $@ -c lal_coul_long_cs.cpp -I$(OBJ_DIR)

$(OBJ_DIR)/lal_coul_long_cs_ext.o: $(ALL_H) lal_coul_long_cs.h lal_coul_long_cs_ext.cpp lal_base_charge.h
	$(OCL) -o $@ -c lal_coul_long_cs_ext.cpp -I$(OBJ_DIR)

$(OBJ_DIR)/born_coul_long_cs_cl.h: lal_born_coul_long_cs.cu $(PRE1_H)
	$(BSH) ./geryon/file_to_cstr.sh born_coul_long_cs $(PRE1_H) lal_born_coul_long_cs.cu $(OBJ_DIR)/born_coul_long_cs_cl.h;

$(OBJ_DIR)/lal_born_coul_long_cs.o: $(ALL_H) lal_born_coul_long_cs.h lal_born_coul_long_cs.cpp  $(OBJ_DIR)/born_coul_long_cs_cl.h $(OBJ_DIR)/born_coul_long_cs_cl.h $(OBJ_DIR)/lal_base_charge.o
	$(OCL) -o $@ -c lal_born_coul_long_cs.cpp -I$(OBJ_DIR)

$(OBJ_DIR)/lal_born_coul_long_cs_ext.o: $(ALL_H) lal_born_coul_long_cs.h lal_born_coul_long_cs_ext.cpp lal_base_charge.h
	$(OCL) -o $@ -c lal_born_coul_long_cs_ext.cpp -I$(OBJ_DIR)

$(BIN_DIR)/ocl_get_devices: ./geryon/ucl_get_devices.cpp $(OCL_H)
	$(OCL) -o $@ ./geryon/ucl_get_devices.cpp -DUCL_OPENCL $(OCL_LINK) 

+1 −1
Original line number Diff line number Diff line
@@ -57,7 +57,7 @@ int BornCoulLongT::init(const int ntypes, double **host_cutsq, double **host_rho
                       const double g_ewald) {
  int success;
  success=this->init_atomic(nlocal,nall,max_nbors,maxspecial,cell_size,gpu_split,
                            _screen,born_coul_long,"k_born_long");
                            _screen,born_coul_long,"k_born_coul_long");
  if (success!=0)
    return success;

+6 −6
Original line number Diff line number Diff line
@@ -29,7 +29,7 @@ texture<int2> q_tex;
#define q_tex q_
#endif

__kernel void k_born_long(const __global numtyp4 *restrict x_,
__kernel void k_born_coul_long(const __global numtyp4 *restrict x_,
                          const __global numtyp4 *restrict coeff1,
                          const __global numtyp4 *restrict coeff2,
                          const int lj_types,
@@ -110,7 +110,7 @@ __kernel void k_born_long(const __global numtyp4 *restrict x_,
          forcecoul = prefactor * (_erfc + EWALD_F*grij*expm2-factor_coul);
        } else forcecoul = (numtyp)0.0;

        if (rsq < cutsq_sigma[mtype].y) {
        if (rsq < cutsq_sigma[mtype].y) { // cut_ljsq
          numtyp r = ucl_sqrt(rsq);
          rexp = ucl_exp((cutsq_sigma[mtype].z-r)*coeff1[mtype].x);
          r6inv = r2inv*r2inv*r2inv;
@@ -127,7 +127,7 @@ __kernel void k_born_long(const __global numtyp4 *restrict x_,
        if (eflag>0) {
          if (rsq < cut_coulsq)
            e_coul += prefactor*(_erfc-factor_coul);
          if (rsq < coeff1[mtype].w) {
          if (rsq < cutsq_sigma[mtype].y) {
            numtyp e=coeff2[mtype].x*rexp - coeff2[mtype].y*r6inv
              + coeff2[mtype].z*r2inv*r6inv;
            energy+=factor_lj*(e-coeff2[mtype].w);
@@ -149,7 +149,7 @@ __kernel void k_born_long(const __global numtyp4 *restrict x_,
  } // if ii
}

__kernel void k_born_long_fast(const __global numtyp4 *restrict x_,
__kernel void k_born_coul_long_fast(const __global numtyp4 *restrict x_,
                               const __global numtyp4 *restrict coeff1_in,
                               const __global numtyp4 *restrict coeff2_in,
                               const __global numtyp *restrict sp_lj_in,
@@ -232,7 +232,7 @@ __kernel void k_born_long_fast(const __global numtyp4 *restrict x_,
          forcecoul = prefactor * (_erfc + EWALD_F*grij*expm2-factor_coul);
        } else forcecoul = (numtyp)0.0;

        if (rsq < cutsq_sigma[mtype].y) {
        if (rsq < cutsq_sigma[mtype].y) { // cut_ljsq
          numtyp r = ucl_sqrt(rsq);
          rexp = ucl_exp((cutsq_sigma[mtype].z-r)*coeff1[mtype].x);
          r6inv = r2inv*r2inv*r2inv;
@@ -249,7 +249,7 @@ __kernel void k_born_long_fast(const __global numtyp4 *restrict x_,
        if (eflag>0) {
          if (rsq < cut_coulsq)
            e_coul += prefactor*(_erfc-factor_coul);
          if (rsq < coeff1[mtype].w) {
          if (rsq < cutsq_sigma[mtype].y) {
            numtyp e=coeff2[mtype].x*rexp - coeff2[mtype].y*r6inv
              + coeff2[mtype].z*r2inv*r6inv;
            energy+=factor_lj*(e-coeff2[mtype].w);
+175 −0
Original line number Diff line number Diff line
/***************************************************************************
                            born_coul_long_cs.cpp
                             -------------------
                           Trung Dac Nguyen (Northwestern)

  Class for acceleration of the born/coul/long/cs pair style.

 __________________________________________________________________________
    This file is part of the LAMMPS Accelerator Library (LAMMPS_AL)
 __________________________________________________________________________

    begin                :
    email                : trung.nguyen@northwestern.edu
 ***************************************************************************/

#ifdef USE_OPENCL
#include "born_coul_long_cs_cl.h"
#elif defined(USE_CUDART)
const char *born_coul_long_cs=0;
#else
#include "born_coul_long_cs_cubin.h"
#endif

#include "lal_born_coul_long_cs.h"
#include <cassert>
using namespace LAMMPS_AL;
#define BornCoulLongCST BornCoulLongCS<numtyp, acctyp>

extern Device<PRECISION,ACC_PRECISION> device;

template <class numtyp, class acctyp>
BornCoulLongCST::BornCoulLongCS() : BaseCharge<numtyp,acctyp>(),
                                    _allocated(false) {
}

template <class numtyp, class acctyp>
BornCoulLongCST::~BornCoulLongCS() {
  clear();
}

template <class numtyp, class acctyp>
int BornCoulLongCST::bytes_per_atom(const int max_nbors) const {
  return this->bytes_per_atom_atomic(max_nbors);
}

template <class numtyp, class acctyp>
int BornCoulLongCST::init(const int ntypes, double **host_cutsq, double **host_rhoinv,
                       double **host_born1, double **host_born2, double **host_born3,
                       double **host_a, double **host_c, double **host_d,
                       double **host_sigma, double **host_offset,
                       double *host_special_lj, const int nlocal,
                       const int nall, const int max_nbors,
                       const int maxspecial, const double cell_size,
                       const double gpu_split, FILE *_screen,
                       double **host_cut_ljsq, const double host_cut_coulsq,
                       double *host_special_coul, const double qqrd2e,
                       const double g_ewald) {
  int success;
  success=this->init_atomic(nlocal,nall,max_nbors,maxspecial,cell_size,gpu_split,
                            _screen,born_coul_long_cs,"k_born_coul_long_cs");
  if (success!=0)
    return success;

  // If atom type constants fit in shared memory use fast kernel
  int lj_types=ntypes;
  shared_types=false;
  int max_shared_types=this->device->max_shared_types();
  if (lj_types<=max_shared_types && this->_block_size>=max_shared_types) {
    lj_types=max_shared_types;
    shared_types=true;
  }
  _lj_types=lj_types;

  // Allocate a host write buffer for data initialization
  UCL_H_Vec<numtyp> host_write(lj_types*lj_types*32,*(this->ucl_device),
                               UCL_WRITE_ONLY);

  for (int i=0; i<lj_types*lj_types; i++)
    host_write[i]=0.0;

  coeff1.alloc(lj_types*lj_types,*(this->ucl_device),UCL_READ_ONLY);
  this->atom->type_pack4(ntypes,lj_types,coeff1,host_write,host_rhoinv,
                         host_born1,host_born2,host_born3);

  coeff2.alloc(lj_types*lj_types,*(this->ucl_device),UCL_READ_ONLY);
  this->atom->type_pack4(ntypes,lj_types,coeff2,host_write,host_a,host_c,
                         host_d,host_offset);

  cutsq_sigma.alloc(lj_types*lj_types,*(this->ucl_device),UCL_READ_ONLY);
  this->atom->type_pack4(ntypes,lj_types,cutsq_sigma,host_write,host_cutsq,
             host_cut_ljsq,host_sigma);

  sp_lj.alloc(8,*(this->ucl_device),UCL_READ_ONLY);
  for (int i=0; i<4; i++) {
    host_write[i]=host_special_lj[i];
    host_write[i+4]=host_special_coul[i];
  }
  ucl_copy(sp_lj,host_write,8,false);

  _cut_coulsq=host_cut_coulsq;
  _qqrd2e=qqrd2e;
  _g_ewald=g_ewald;

  _allocated=true;
  this->_max_bytes=coeff1.row_bytes()+coeff2.row_bytes()
      +cutsq_sigma.row_bytes()+sp_lj.row_bytes();
  return 0;
}

template <class numtyp, class acctyp>
void BornCoulLongCST::clear() {
  if (!_allocated)
    return;
  _allocated=false;

  coeff1.clear();
  coeff2.clear();
  cutsq_sigma.clear();
  sp_lj.clear();
  this->clear_atomic();
}

template <class numtyp, class acctyp>
double BornCoulLongCST::host_memory_usage() const {
  return this->host_memory_usage_atomic()+sizeof(BornCoulLongCS<numtyp,acctyp>);
}

// ---------------------------------------------------------------------------
// Calculate energies, forces, and torques
// ---------------------------------------------------------------------------
template <class numtyp, class acctyp>
void BornCoulLongCST::loop(const bool _eflag, const bool _vflag) {
  // Compute the block size and grid size to keep all cores busy
  const int BX=this->block_size();
  int eflag, vflag;
  if (_eflag)
    eflag=1;
  else
    eflag=0;

  if (_vflag)
    vflag=1;
  else
    vflag=0;

  int GX=static_cast<int>(ceil(static_cast<double>(this->ans->inum())/
                               (BX/this->_threads_per_atom)));

  int ainum=this->ans->inum();
  int nbor_pitch=this->nbor->nbor_pitch();
  this->time_pair.start();
  if (shared_types) {
    this->k_pair_fast.set_size(GX,BX);
    this->k_pair_fast.run(&this->atom->x, &coeff1, &coeff2, &sp_lj,
                          &this->nbor->dev_nbor,
                          &this->_nbor_data->begin(),
                          &this->ans->force,
                          &this->ans->engv, &eflag, &vflag,
                          &ainum, &nbor_pitch, &this->atom->q,
                          &cutsq_sigma, &_cut_coulsq, &_qqrd2e,
                          &_g_ewald, &this->_threads_per_atom);
  } else {
    this->k_pair.set_size(GX,BX);
    this->k_pair.run(&this->atom->x, &coeff1, &coeff2, &_lj_types, &sp_lj,
                   &this->nbor->dev_nbor, &this->_nbor_data->begin(),
                   &this->ans->force, &this->ans->engv,
                   &eflag, &vflag, &ainum,
                   &nbor_pitch, &this->atom->q,
                   &cutsq_sigma, &_cut_coulsq,
                   &_qqrd2e, &_g_ewald, &this->_threads_per_atom);
  }
  this->time_pair.stop();
}

template class BornCoulLongCS<PRECISION,ACC_PRECISION>;
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