jianmu
/
lammps
forked from lijiext/lammps
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
lammps/src/output.cpp

808 lines
26 KiB
C++
Raw Blame History

/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#include "stdio.h"
#include "stdlib.h"
#include "string.h"
#include "output.h"
#include "style_dump.h"
#include "atom.h"
#include "neighbor.h"
#include "input.h"
#include "variable.h"
#include "comm.h"
#include "update.h"
#include "group.h"
#include "domain.h"
#include "thermo.h"
#include "modify.h"
#include "compute.h"
#include "force.h"
#include "dump.h"
#include "write_restart.h"
#include "accelerator_cuda.h"
#include "memory.h"
#include "error.h"
using namespace LAMMPS_NS;
#define DELTA 1
/* ----------------------------------------------------------------------
initialize all output
------------------------------------------------------------------------- */
Output::Output(LAMMPS *lmp) : Pointers(lmp)
{
// create default computes for temp,pressure,pe
char **newarg = new char*[4];
newarg[0] = (char *) "thermo_temp";
newarg[1] = (char *) "all";
newarg[2] = (char *) "temp";
modify->add_compute(3,newarg,1);
newarg[0] = (char *) "thermo_press";
newarg[1] = (char *) "all";
newarg[2] = (char *) "pressure";
newarg[3] = (char *) "thermo_temp";
modify->add_compute(4,newarg,1);
newarg[0] = (char *) "thermo_pe";
newarg[1] = (char *) "all";
newarg[2] = (char *) "pe";
modify->add_compute(3,newarg,1);
delete [] newarg;
// create default Thermo class
newarg = new char*[1];
newarg[0] = (char *) "one";
thermo = new Thermo(lmp,1,newarg);
delete [] newarg;
thermo_every = 0;
var_thermo = NULL;
ndump = 0;
max_dump = 0;
every_dump = NULL;
next_dump = NULL;
last_dump = NULL;
var_dump = NULL;
ivar_dump = NULL;
dump = NULL;
restart_flag = restart_flag_single = restart_flag_double = 0;
restart_every_single = restart_every_double = 0;
last_restart = -1;
restart1 = restart2a = restart2b = NULL;
var_restart_single = var_restart_double = NULL;
restart = NULL;
}
/* ----------------------------------------------------------------------
free all memory
------------------------------------------------------------------------- */
Output::~Output()
{
if (thermo) delete thermo;
delete [] var_thermo;
memory->destroy(every_dump);
memory->destroy(next_dump);
memory->destroy(last_dump);
for (int i = 0; i < ndump; i++) delete [] var_dump[i];
memory->sfree(var_dump);
memory->destroy(ivar_dump);
for (int i = 0; i < ndump; i++) delete dump[i];
memory->sfree(dump);
delete [] restart1;
delete [] restart2a;
delete [] restart2b;
delete [] var_restart_single;
delete [] var_restart_double;
delete restart;
}
/* ---------------------------------------------------------------------- */
void Output::init()
{
thermo->init();
if (var_thermo) {
ivar_thermo = input->variable->find(var_thermo);
if (ivar_thermo < 0)
error->all(FLERR,"Variable name for thermo every does not exist");
if (!input->variable->equalstyle(ivar_thermo))
error->all(FLERR,"Variable for thermo every is invalid style");
}
for (int i = 0; i < ndump; i++) dump[i]->init();
for (int i = 0; i < ndump; i++)
if (every_dump[i] == 0) {
ivar_dump[i] = input->variable->find(var_dump[i]);
if (ivar_dump[i] < 0)
error->all(FLERR,"Variable name for dump every does not exist");
if (!input->variable->equalstyle(ivar_dump[i]))
error->all(FLERR,"Variable for dump every is invalid style");
}
if (restart_flag_single && restart_every_single == 0) {
ivar_restart_single = input->variable->find(var_restart_single);
if (ivar_restart_single < 0)
error->all(FLERR,"Variable name for restart does not exist");
if (!input->variable->equalstyle(ivar_restart_single))
error->all(FLERR,"Variable for restart is invalid style");
}
if (restart_flag_double && restart_every_double == 0) {
ivar_restart_double = input->variable->find(var_restart_double);
if (ivar_restart_double < 0)
error->all(FLERR,"Variable name for restart does not exist");
if (!input->variable->equalstyle(ivar_restart_double))
error->all(FLERR,"Variable for restart is invalid style");
}
}
/* ----------------------------------------------------------------------
perform output for setup of run/min
do dump first, so memory_usage will include dump allocation
do thermo last, so will print after memory_usage
memflag = 0/1 for printing out memory usage
------------------------------------------------------------------------- */
void Output::setup(int memflag)
{
bigint ntimestep = update->ntimestep;
// perform dump at start of run only if:
// current timestep is multiple of every and last dump not >= this step
// this is first run after dump created and firstflag is set
// note that variable freq will not write unless triggered by firstflag
// set next_dump to multiple of every or variable value
// set next_dump_any to smallest next_dump
// wrap dumps that invoke computes and variable eval with clear/add
// if dump not written now, use addstep_compute_all() since don't know
// what computes the dump write would invoke
// if no dumps, set next_dump_any to last+1 so will not influence next
int writeflag;
if (ndump && update->restrict_output == 0) {
for (int idump = 0; idump < ndump; idump++) {
if (dump[idump]->clearstep || every_dump[idump] == 0)
modify->clearstep_compute();
writeflag = 0;
if (every_dump[idump] && ntimestep % every_dump[idump] == 0 &&
last_dump[idump] != ntimestep) writeflag = 1;
if (last_dump[idump] < 0 && dump[idump]->first_flag == 1) writeflag = 1;
if (writeflag) {
dump[idump]->write();
last_dump[idump] = ntimestep;
}
if (every_dump[idump])
next_dump[idump] =
(ntimestep/every_dump[idump])*every_dump[idump] + every_dump[idump];
else {
bigint nextdump = static_cast<bigint>
(input->variable->compute_equal(ivar_dump[idump]));
if (nextdump <= ntimestep)
error->all(FLERR,"Dump every variable returned a bad timestep");
next_dump[idump] = nextdump;
}
if (dump[idump]->clearstep || every_dump[idump] == 0) {
if (writeflag) modify->addstep_compute(next_dump[idump]);
else modify->addstep_compute_all(next_dump[idump]);
}
if (idump) next_dump_any = MIN(next_dump_any,next_dump[idump]);
else next_dump_any = next_dump[0];
}
} else next_dump_any = update->laststep + 1;
// do not write restart files at start of run
// set next_restart values to multiple of every or variable value
// wrap variable eval with clear/add
// if no restarts, set next_restart to last+1 so will not influence next
if (restart_flag && update->restrict_output == 0) {
if (restart_flag_single) {
if (restart_every_single)
next_restart_single =
(ntimestep/restart_every_single)*restart_every_single +
restart_every_single;
else {
bigint nextrestart = static_cast<bigint>
(input->variable->compute_equal(ivar_restart_single));
if (nextrestart <= ntimestep)
error->all(FLERR,"Restart variable returned a bad timestep");
next_restart_single = nextrestart;
}
} else next_restart_single = update->laststep + 1;
if (restart_flag_double) {
if (restart_every_double)
next_restart_double =
(ntimestep/restart_every_double)*restart_every_double +
restart_every_double;
else {
bigint nextrestart = static_cast<bigint>
(input->variable->compute_equal(ivar_restart_double));
if (nextrestart <= ntimestep)
error->all(FLERR,"Restart variable returned a bad timestep");
next_restart_double = nextrestart;
}
} else next_restart_double = update->laststep + 1;
next_restart = MIN(next_restart_single,next_restart_double);
} else next_restart = update->laststep + 1;
// print memory usage unless being called between multiple runs
if (memflag) memory_usage();
// set next_thermo to multiple of every or variable eval if var defined
// insure thermo output on last step of run
// thermo may invoke computes so wrap with clear/add
modify->clearstep_compute();
thermo->header();
thermo->compute(0);
last_thermo = ntimestep;
if (var_thermo) {
next_thermo = static_cast<bigint>
(input->variable->compute_equal(ivar_thermo));
if (next_thermo <= ntimestep)
error->all(FLERR,"Thermo every variable returned a bad timestep");
} else if (thermo_every) {
next_thermo = (ntimestep/thermo_every)*thermo_every + thermo_every;
next_thermo = MIN(next_thermo,update->laststep);
} else next_thermo = update->laststep;
modify->addstep_compute(next_thermo);
// next = next timestep any output will be done
next = MIN(next_dump_any,next_restart);
next = MIN(next,next_thermo);
}
/* ----------------------------------------------------------------------
perform all output for this timestep
only perform output if next matches current step and last output doesn't
do dump/restart before thermo so thermo CPU time will include them
------------------------------------------------------------------------- */
void Output::write(bigint ntimestep)
{
// next_dump does not force output on last step of run
// wrap dumps that invoke computes or eval of variable with clear/add
// download data from GPU if necessary
if (next_dump_any == ntimestep) {
if (lmp->cuda && !lmp->cuda->oncpu) lmp->cuda->downloadAll();
for (int idump = 0; idump < ndump; idump++) {
if (next_dump[idump] == ntimestep) {
if (dump[idump]->clearstep || every_dump[idump] == 0)
modify->clearstep_compute();
if (last_dump[idump] != ntimestep) {
dump[idump]->write();
last_dump[idump] = ntimestep;
}
if (every_dump[idump]) next_dump[idump] += every_dump[idump];
else {
bigint nextdump = static_cast<bigint>
(input->variable->compute_equal(ivar_dump[idump]));
if (nextdump <= ntimestep)
error->all(FLERR,"Dump every variable returned a bad timestep");
next_dump[idump] = nextdump;
}
if (dump[idump]->clearstep || every_dump[idump] == 0)
modify->addstep_compute(next_dump[idump]);
}
if (idump) next_dump_any = MIN(next_dump_any,next_dump[idump]);
else next_dump_any = next_dump[0];
}
}
// next_restart does not force output on last step of run
// for toggle = 0, replace "*" with current timestep in restart filename
// download data from GPU if necessary
// eval of variable may invoke computes so wrap with clear/add
if (next_restart == ntimestep) {
if (lmp->cuda && !lmp->cuda->oncpu) lmp->cuda->downloadAll();
if (next_restart_single == ntimestep) {
char *file = new char[strlen(restart1) + 16];
char *ptr = strchr(restart1,'*');
*ptr = '\0';
sprintf(file,"%s" BIGINT_FORMAT "%s",restart1,ntimestep,ptr+1);
*ptr = '*';
if (last_restart != ntimestep) restart->write(file);
delete [] file;
if (restart_every_single) next_restart_single += restart_every_single;
else {
modify->clearstep_compute();
bigint nextrestart = static_cast<bigint>
(input->variable->compute_equal(ivar_restart_single));
if (nextrestart <= ntimestep)
error->all(FLERR,"Restart variable returned a bad timestep");
next_restart_single = nextrestart;
modify->addstep_compute(next_restart_single);
}
}
if (next_restart_double == ntimestep) {
if (last_restart != ntimestep) {
if (restart_toggle == 0) {
restart->write(restart2a);
restart_toggle = 1;
} else {
restart->write(restart2b);
restart_toggle = 0;
}
}
if (restart_every_double) next_restart_double += restart_every_double;
else {
modify->clearstep_compute();
bigint nextrestart = static_cast<bigint>
(input->variable->compute_equal(ivar_restart_double));
if (nextrestart <= ntimestep)
error->all(FLERR,"Restart variable returned a bad timestep");
next_restart_double = nextrestart;
modify->addstep_compute(next_restart_double);
}
}
last_restart = ntimestep;
next_restart = MIN(next_restart_single,next_restart_double);
}
// insure next_thermo forces output on last step of run
// thermo may invoke computes so wrap with clear/add
if (next_thermo == ntimestep) {
modify->clearstep_compute();
if (last_thermo != ntimestep) thermo->compute(1);
last_thermo = ntimestep;
if (var_thermo) {
next_thermo = static_cast<bigint>
(input->variable->compute_equal(ivar_thermo));
if (next_thermo <= ntimestep)
error->all(FLERR,"Thermo every variable returned a bad timestep");
} else if (thermo_every) next_thermo += thermo_every;
else next_thermo = update->laststep;
next_thermo = MIN(next_thermo,update->laststep);
modify->addstep_compute(next_thermo);
}
// next = next timestep any output will be done
next = MIN(next_dump_any,next_restart);
next = MIN(next,next_thermo);
}
/* ----------------------------------------------------------------------
force a snapshot to be written for all dumps
called from PRD and TAD
------------------------------------------------------------------------- */
void Output::write_dump(bigint ntimestep)
{
for (int idump = 0; idump < ndump; idump++) {
dump[idump]->write();
last_dump[idump] = ntimestep;
}
}
/* ----------------------------------------------------------------------
force restart file(s) to be written
called from PRD and TAD
------------------------------------------------------------------------- */
void Output::write_restart(bigint ntimestep)
{
if (restart_flag_single) {
char *file = new char[strlen(restart1) + 16];
char *ptr = strchr(restart1,'*');
*ptr = '\0';
sprintf(file,"%s" BIGINT_FORMAT "%s",restart1,ntimestep,ptr+1);
*ptr = '*';
restart->write(file);
delete [] file;
}
if (restart_flag_double) {
if (restart_toggle == 0) {
restart->write(restart2a);
restart_toggle = 1;
} else {
restart->write(restart2b);
restart_toggle = 0;
}
}
last_restart = ntimestep;
}
/* ----------------------------------------------------------------------
timestep is being changed, called by update->reset_timestep()
reset next timestep values for dumps, restart, thermo output
reset to smallest value >= new timestep
if next timestep set by variable evaluation,
eval for ntimestep-1, so current ntimestep can be returned if needed
no guarantee that variable can be evaluated for ntimestep-1
if it depends on computes, but live with that rare case for now
------------------------------------------------------------------------- */
void Output::reset_timestep(bigint ntimestep)
{
next_dump_any = MAXBIGINT;
for (int idump = 0; idump < ndump; idump++) {
if (every_dump[idump]) {
next_dump[idump] = (ntimestep/every_dump[idump])*every_dump[idump];
if (next_dump[idump] < ntimestep) next_dump[idump] += every_dump[idump];
} else {
modify->clearstep_compute();
update->ntimestep--;
bigint nextdump = static_cast<bigint>
(input->variable->compute_equal(ivar_dump[idump]));
if (nextdump < ntimestep)
error->all(FLERR,"Dump every variable returned a bad timestep");
update->ntimestep++;
next_dump[idump] = nextdump;
modify->addstep_compute(next_dump[idump]);
}
next_dump_any = MIN(next_dump_any,next_dump[idump]);
}
if (restart_flag_single) {
if (restart_every_single) {
next_restart_single =
(ntimestep/restart_every_single)*restart_every_single;
if (next_restart_single < ntimestep)
next_restart_single += restart_every_single;
} else {
modify->clearstep_compute();
update->ntimestep--;
bigint nextrestart = static_cast<bigint>
(input->variable->compute_equal(ivar_restart_single));
if (nextrestart < ntimestep)
error->all(FLERR,"Restart variable returned a bad timestep");
update->ntimestep++;
next_restart_single = nextrestart;
modify->addstep_compute(next_restart_single);
}
} else next_restart_single = update->laststep + 1;
if (restart_flag_double) {
if (restart_every_double) {
next_restart_double =
(ntimestep/restart_every_double)*restart_every_double;
if (next_restart_double < ntimestep)
next_restart_double += restart_every_double;
} else {
modify->clearstep_compute();
update->ntimestep--;
bigint nextrestart = static_cast<bigint>
(input->variable->compute_equal(ivar_restart_double));
if (nextrestart < ntimestep)
error->all(FLERR,"Restart variable returned a bad timestep");
update->ntimestep++;
next_restart_double = nextrestart;
modify->addstep_compute(next_restart_double);
}
} else next_restart_double = update->laststep + 1;
next_restart = MIN(next_restart_single,next_restart_double);
if (var_thermo) {
modify->clearstep_compute();
update->ntimestep--;
next_thermo = static_cast<bigint>
(input->variable->compute_equal(ivar_thermo));
if (next_thermo < ntimestep)
error->all(FLERR,"Thermo_modify every variable returned a bad timestep");
update->ntimestep++;
next_thermo = MIN(next_thermo,update->laststep);
modify->addstep_compute(next_thermo);
} else if (thermo_every) {
next_thermo = (ntimestep/thermo_every)*thermo_every;
if (next_thermo < ntimestep) next_thermo += thermo_every;
next_thermo = MIN(next_thermo,update->laststep);
} else next_thermo = update->laststep;
next = MIN(next_dump_any,next_restart);
next = MIN(next,next_thermo);
}
/* ----------------------------------------------------------------------
add a Dump to list of Dumps
------------------------------------------------------------------------- */
void Output::add_dump(int narg, char **arg)
{
if (narg < 5) error->all(FLERR,"Illegal dump command");
// error checks
for (int idump = 0; idump < ndump; idump++)
if (strcmp(arg[0],dump[idump]->id) == 0)
error->all(FLERR,"Reuse of dump ID");
int igroup = group->find(arg[1]);
if (igroup == -1) error->all(FLERR,"Could not find dump group ID");
if (force->inumeric(FLERR,arg[3]) <= 0)
error->all(FLERR,"Invalid dump frequency");
// extend Dump list if necessary
if (ndump == max_dump) {
max_dump += DELTA;
dump = (Dump **)
memory->srealloc(dump,max_dump*sizeof(Dump *),"output:dump");
memory->grow(every_dump,max_dump,"output:every_dump");
memory->grow(next_dump,max_dump,"output:next_dump");
memory->grow(last_dump,max_dump,"output:last_dump");
var_dump = (char **)
memory->srealloc(var_dump,max_dump*sizeof(char *),"output:var_dump");
memory->grow(ivar_dump,max_dump,"output:ivar_dump");
}
// create the Dump
if (0) return; // dummy line to enable else-if macro expansion
#define DUMP_CLASS
#define DumpStyle(key,Class) \
else if (strcmp(arg[2],#key) == 0) dump[ndump] = new Class(lmp,narg,arg);
#include "style_dump.h"
#undef DUMP_CLASS
else error->all(FLERR,"Unknown dump style");
every_dump[ndump] = force->inumeric(FLERR,arg[3]);
if (every_dump[ndump] <= 0) error->all(FLERR,"Illegal dump command");
last_dump[ndump] = -1;
var_dump[ndump] = NULL;
ndump++;
}
/* ----------------------------------------------------------------------
modify parameters of a Dump
------------------------------------------------------------------------- */
void Output::modify_dump(int narg, char **arg)
{
if (narg < 1) error->all(FLERR,"Illegal dump_modify command");
// find which dump it is
int idump;
for (idump = 0; idump < ndump; idump++)
if (strcmp(arg[0],dump[idump]->id) == 0) break;
if (idump == ndump) error->all(FLERR,"Cound not find dump_modify ID");
dump[idump]->modify_params(narg-1,&arg[1]);
}
/* ----------------------------------------------------------------------
delete a Dump from list of Dumps
------------------------------------------------------------------------- */
void Output::delete_dump(char *id)
{
// find which dump it is and delete it
int idump;
for (idump = 0; idump < ndump; idump++)
if (strcmp(id,dump[idump]->id) == 0) break;
if (idump == ndump) error->all(FLERR,"Could not find undump ID");
delete dump[idump];
delete [] var_dump[idump];
// move other dumps down in list one slot
for (int i = idump+1; i < ndump; i++) {
dump[i-1] = dump[i];
every_dump[i-1] = every_dump[i];
next_dump[i-1] = next_dump[i];
last_dump[i-1] = last_dump[i];
var_dump[i-1] = var_dump[i];
ivar_dump[i-1] = ivar_dump[i];
}
ndump--;
}
/* ----------------------------------------------------------------------
set thermo output frequency from input script
------------------------------------------------------------------------- */
void Output::set_thermo(int narg, char **arg)
{
if (narg != 1) error->all(FLERR,"Illegal thermo command");
if (strstr(arg[0],"v_") == arg[0]) {
delete [] var_thermo;
int n = strlen(&arg[0][2]) + 1;
var_thermo = new char[n];
strcpy(var_thermo,&arg[0][2]);
} else {
thermo_every = force->inumeric(FLERR,arg[0]);
if (thermo_every < 0) error->all(FLERR,"Illegal thermo command");
}
}
/* ----------------------------------------------------------------------
new Thermo style
------------------------------------------------------------------------- */
void Output::create_thermo(int narg, char **arg)
{
if (narg < 1) error->all(FLERR,"Illegal thermo_style command");
// don't allow this so that dipole style can safely allocate inertia vector
if (domain->box_exist == 0)
error->all(FLERR,"Thermo_style command before simulation box is defined");
// warn if previous thermo had been modified via thermo_modify command
if (thermo->modified && comm->me == 0)
error->warning(FLERR,"New thermo_style command, "
"previous thermo_modify settings will be lost");
// set thermo = NULL in case new Thermo throws an error
delete thermo;
thermo = NULL;
thermo = new Thermo(lmp,narg,arg);
}
/* ----------------------------------------------------------------------
setup restart capability for single or double output files
if only one filename and it contains no "*", then append ".*"
------------------------------------------------------------------------- */
void Output::create_restart(int narg, char **arg)
{
if (narg < 1) error->all(FLERR,"Illegal restart command");
int every = 0;
int varflag = 0;
if (strstr(arg[0],"v_") == arg[0]) varflag = 1;
else every = force->inumeric(FLERR,arg[0]);
if (!varflag && every == 0) {
if (narg != 1) error->all(FLERR,"Illegal restart command");
restart_flag = restart_flag_single = restart_flag_double = 0;
last_restart = -1;
delete restart;
restart = NULL;
delete [] restart1;
delete [] restart2a;
delete [] restart2b;
restart1 = restart2a = restart2b = NULL;
delete [] var_restart_single;
delete [] var_restart_double;
var_restart_single = var_restart_double = NULL;
return;
}
if (narg < 2) error->all(FLERR,"Illegal restart command");
int nfile = 0;
if (narg % 2 == 0) nfile = 1;
else nfile = 2;
if (nfile == 1) {
restart_flag = restart_flag_single = 1;
if (varflag) {
delete [] var_restart_single;
int n = strlen(&arg[0][2]) + 1;
var_restart_single = new char[n];
strcpy(var_restart_single,&arg[0][2]);
restart_every_single = 0;
} else restart_every_single = every;
int n = strlen(arg[1]) + 3;
restart1 = new char[n];
strcpy(restart1,arg[1]);
if (strchr(restart1,'*') == NULL) strcat(restart1,".*");
}
if (nfile == 2) {
restart_flag = restart_flag_double = 1;
if (varflag) {
delete [] var_restart_double;
int n = strlen(&arg[0][2]) + 1;
var_restart_double = new char[n];
strcpy(var_restart_double,&arg[0][2]);
restart_every_double = 0;
} else restart_every_double = every;
restart_toggle = 0;
int n = strlen(arg[1]) + 3;
restart2a = new char[n];
strcpy(restart2a,arg[1]);
n = strlen(arg[2]) + 1;
restart2b = new char[n];
strcpy(restart2b,arg[2]);
}
// check for multiproc output and an MPI-IO filename
// if 2 filenames, must be consistent
int multiproc;
if (strchr(arg[1],'%')) multiproc = comm->nprocs;
else multiproc = 0;
if (nfile == 2) {
if (multiproc && !strchr(arg[2],'%'))
error->all(FLERR,"Both restart files must use % or neither");
if (!multiproc && strchr(arg[2],'%'))
error->all(FLERR,"Both restart files must use % or neither");
}
int mpiioflag;
if (strstr(arg[1],".mpi")) mpiioflag = 1;
else mpiioflag = 0;
if (nfile == 2) {
if (mpiioflag && !strstr(arg[2],".mpi"))
error->all(FLERR,"Both restart files must use MPI-IO or neither");
if (!mpiioflag && strstr(arg[2],".mpi"))
error->all(FLERR,"Both restart files must use MPI-IO or neither");
}
// setup output style and process optional args
delete restart;
restart = new WriteRestart(lmp);
int iarg = nfile+1;
restart->multiproc_options(multiproc,mpiioflag,narg-iarg,&arg[iarg]);
}
/* ----------------------------------------------------------------------
sum and print memory usage
result is only memory on proc 0, not averaged across procs
------------------------------------------------------------------------- */
void Output::memory_usage()
{
bigint bytes = 0;
bytes += atom->memory_usage();
bytes += neighbor->memory_usage();
bytes += comm->memory_usage();
bytes += update->memory_usage();
bytes += force->memory_usage();
bytes += modify->memory_usage();
for (int i = 0; i < ndump; i++) bytes += dump[i]->memory_usage();
double mbytes = bytes/1024.0/1024.0;
if (comm->me == 0) {
if (screen)
fprintf(screen,"Memory usage per processor = %g Mbytes\n",mbytes);
if (logfile)
fprintf(logfile,"Memory usage per processor = %g Mbytes\n",mbytes);
}
}
Reference in New Issue View Git Blame Copy Permalink