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#include <cctk.h>
#include <cctk_Arguments.h>
#include <cctk_Parameters.h>
#include <algorithm>
#include <cassert>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <string>
#ifdef HAVE_MALLOC_H
# include <malloc.h>
#endif
#include <sys/resource.h>
#include <sys/time.h>
#include "mem.hh"
#include "dh.hh"
#include "gdata.hh"
#include "ggf.hh"
#include "gh.hh"
#include "th.hh"
struct mstat {
// Carpet object statistics
double total_bytes;
double total_objects;
double max_bytes;
double max_objects;
// Carpet administrative data structure statistics
double total_admin_bytes;
// malloc statistics
double malloc_used_bytes;
double malloc_free_bytes;
};
int const mstat_entries = sizeof(mstat) / sizeof(double);
extern "C" void CarpetLib_printmemstats (CCTK_ARGUMENTS);
void CarpetLib_printmemstats (CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
int const ioproc = 0;
static int next_output = 0;
if ((print_memstats_every == 0 and cctk_iteration == 0) or
(print_memstats_every > 0 and cctk_iteration >= next_output))
{
next_output = cctk_iteration + print_memstats_every;
mstat mybuf;
mybuf.total_bytes = gmem::total_allocated_bytes;
mybuf.total_objects = gmem::total_allocated_objects;
mybuf.max_bytes = gmem::max_allocated_bytes;
mybuf.max_objects = gmem::max_allocated_objects;
mybuf.total_admin_bytes =
gh::allmemory() + dh::allmemory() + th::allmemory() +
ggf::allmemory() + gdata::allmemory();
#ifdef HAVE_MALLINFO
// NOTE: struct mallinfo returns byte-counts as int, which can
// overflow. In this case, the information is incorrect.
struct mallinfo const minfo = mallinfo ();
mybuf.malloc_used_bytes = minfo.uordblks;
mybuf.malloc_free_bytes = minfo.fordblks;
#else
mybuf.malloc_used_bytes = 0;
mybuf.malloc_free_bytes = 0;
#endif
cout << "Memory statistics from CarpetLib:" << eol
<< " Current number of objects: " << size_t(gmem::total_allocated_objects) << eol
<< " Current allocated memory: "
<< setprecision(3) << gmem::total_allocated_bytes / gmem::MEGA << " MB" << eol
<< " Maximum number of objects: " << size_t(gmem::max_allocated_objects) << eol
<< " Maximum allocated memory: "
<< setprecision(3) << gmem::max_allocated_bytes / gmem::MEGA << " MB" << eol
<< " Current administrative memory: "
<< setprecision(3) << mybuf.total_admin_bytes / gmem::MEGA << " MB" << eol
<< " Total allocated used system memory: "
<< setprecision(3) << mybuf.malloc_used_bytes / gmem::MEGA << " MB" << eol
<< " Total allocated free system memory: "
<< setprecision(3) << mybuf.malloc_free_bytes / gmem::MEGA << " MB" << endl;
// TODO: improve this message
cout << " gh::allmemory: " << gh ::allmemory() << eol
<< " dh::allmemory: " << dh ::allmemory() << eol
<< " th::allmemory: " << th ::allmemory() << eol
<< " ggf::allmemory: " << ggf ::allmemory() << eol
<< " gdata::allmemory: " << gdata::allmemory() << endl;
if (strcmp (memstat_file, "") != 0) {
vector<mstat> allbuf (dist::size());
MPI_Gather (& mybuf, mstat_entries, MPI_DOUBLE,
& allbuf.front(), mstat_entries, MPI_DOUBLE,
ioproc, dist::comm());
if (dist::rank() == ioproc) {
double max_total_bytes = 0;
double avg_total_bytes = 0;
double cnt_total_bytes = 0;
double max_max_bytes = 0;
double avg_max_bytes = 0;
double cnt_max_bytes = 0;
double max_admin_bytes = 0;
double avg_admin_bytes = 0;
double cnt_admin_bytes = 0;
double max_used_bytes = 0;
double avg_used_bytes = 0;
double cnt_used_bytes = 0;
double max_free_bytes = 0;
double avg_free_bytes = 0;
double cnt_free_bytes = 0;
for (size_t n=0; n<allbuf.size(); ++n) {
max_total_bytes = max (max_total_bytes, allbuf[n].total_bytes);
avg_total_bytes += allbuf[n].total_bytes;
++ cnt_total_bytes;
max_max_bytes = max (max_max_bytes, allbuf[n].max_bytes);
avg_max_bytes += allbuf[n].max_bytes;
++ cnt_max_bytes;
max_admin_bytes = max (max_admin_bytes, allbuf[n].total_admin_bytes);
avg_admin_bytes += allbuf[n].total_admin_bytes;
++ cnt_admin_bytes;
max_used_bytes = max (max_used_bytes, allbuf[n].malloc_used_bytes);
avg_used_bytes += allbuf[n].malloc_used_bytes;
++ cnt_used_bytes;
max_free_bytes = max (max_free_bytes, allbuf[n].malloc_free_bytes);
avg_free_bytes += allbuf[n].malloc_free_bytes;
++ cnt_free_bytes;
}
avg_total_bytes /= cnt_total_bytes;
avg_max_bytes /= cnt_max_bytes;
avg_admin_bytes /= cnt_admin_bytes;
avg_used_bytes /= cnt_used_bytes;
avg_free_bytes /= cnt_free_bytes;
ostringstream filenamebuf;
filenamebuf << out_dir << "/" << memstat_file;
string const filename = filenamebuf.str();
ofstream file;
static bool did_truncate = false;
if (not did_truncate) {
did_truncate = true;
file.open (filename.c_str(), ios::out | ios::trunc);
if (CCTK_IsFunctionAliased ("UniqueBuildID")) {
char const * const build_id
= static_cast<char const *> (UniqueBuildID (cctkGH));
file << "# Build ID: " << build_id << eol;
}
if (CCTK_IsFunctionAliased ("UniqueSimulationID")) {
char const * const job_id
= static_cast<char const *> (UniqueSimulationID (cctkGH));
file << "# Simulation ID: " << job_id << eol;
}
file << "# Running on " << dist::size() << " processes" << eol;
file << "#" << eol;
file << "# iteration maxtotalbytes avgtotalbytes maxmaxbytes avgm avgfreebytes" << eol;
} else {
file.open (filename.c_str(), ios::out | ios::app);
}
file << cctk_iteration
<< "\t "<< max_total_bytes << " " << avg_total_bytes
<< "\t "<< max_max_bytes << " " << avg_max_bytes
<< "\t "<< max_admin_bytes << " " << avg_admin_bytes
<< "\t "<< max_used_bytes << " " << avg_used_bytes
<< "\t "<< max_free_bytes << " " << avg_free_bytes
<< eol;
file.close ();
} // if on root process
} // if output to file
}
}
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