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#include <cassert>
#include <cstdio>
#include <cstring>
#include <iomanip>
#include <list>
#include <string>
#include <utility>
#include <vector>
#include <cctk.h>
#include <cctk_Parameters.h>
#include <util_String.h>
#if HAVE_UNISTD_H
# include <fcntl.h>
# include <unistd.h>
#endif
#include <defs.hh>
#include "CactusTimer.hh"
#include "TimerSet.hh"
namespace Carpet
{
using namespace std;
// Create a new Cactus timer with the given name
CactusTimer::CactusTimer (const string &timername)
: running (false)
{
// cout << "CactusTimer::CactusTimer(): name = " << timername << endl;
handle = CCTK_TimerCreate (timername.c_str());
assert (handle >= 0);
timerSet.add (this);
}
// Destroy a timer
CactusTimer::~CactusTimer ()
{
timerSet.remove (this);
check (not CCTK_TimerDestroyI (handle));
}
// Start the timer
void CactusTimer::start ()
{
msgStart ();
// cout << "CactusTimer::start this = " << this << endl;
running = true;
CCTK_TimerStartI (handle);
}
// Stop the timer
void CactusTimer::stop ()
{
CCTK_TimerStopI (handle);
running = false;
msgStop ();
}
// Reset the timer
void CactusTimer::reset ()
{
CCTK_TimerResetI (handle);
}
// Timer name
string CactusTimer::name () const
{
char const * const timername = CCTK_TimerName (handle);
assert (timername);
return string(timername);
}
double CactusTimer::getTime()
{
DECLARE_CCTK_PARAMETERS;
static cTimerData * timer = 0;
if (not timer) timer = CCTK_TimerCreateData ();
assert (timer);
CCTK_TimerI (handle, timer);
bool const was_running = running;
if (was_running) stop();
const cTimerVal * tv = CCTK_GetClockValue(timer_xml_clock, timer);
if (was_running) start();
if (not tv) {
CCTK_VWarn(CCTK_WARN_ALERT, __LINE__, __FILE__, CCTK_THORNSTRING,
"Clock \"%s\" not found for timer #%d \"%s\"",
timer_xml_clock, handle, CCTK_TimerName(handle));
return -1.0;
}
return CCTK_TimerClockSeconds(tv);
}
void CactusTimer::getGlobalTime(double& avg, double& max)
{
const cGH *const cctkGH = 0;
int ierr;
static int op_sum = -1;
static int op_max = -1;
if (op_sum<0) op_sum = CCTK_ReductionArrayHandle("sum");
if (op_max<0) op_max = CCTK_ReductionArrayHandle("maximum");
const double val = getTime();
const CCTK_REAL val1 = val;
CCTK_REAL sum1;
ierr = CCTK_ReduceLocScalar(cctkGH, -1, op_sum,
&val1, &sum1, CCTK_VARIABLE_REAL);
if (ierr) {
CCTK_VWarn(CCTK_WARN_ALERT, __LINE__, __FILE__, CCTK_THORNSTRING,
"Error in sum reduction");
}
avg = sum1 / CCTK_nProcs(cctkGH);
CCTK_REAL max1;
ierr = CCTK_ReduceLocScalar(cctkGH, -1, op_max,
&val1, &max1, CCTK_VARIABLE_REAL);
if (ierr) {
CCTK_VWarn(CCTK_WARN_ALERT, __LINE__, __FILE__, CCTK_THORNSTRING,
"Error in maximum reduction");
}
max = max1;
}
vector<pair<string,string> > CactusTimer::getAllTimerNames() const
{
DECLARE_CCTK_PARAMETERS;
static cTimerData *timer = NULL;
if (not timer) timer = CCTK_TimerCreateData();
assert(timer);
CCTK_TimerI(handle, timer);
vector<pair<string,string> > names(timer->n_vals);
for (int i=0; i<timer->n_vals; ++i) {
names[i].first = timer->vals[i].heading;
names[i].second = timer->vals[i].units;
}
return names;
}
vector<double> CactusTimer::getAllTimerValues()
{
DECLARE_CCTK_PARAMETERS;
bool const was_running = running;
if (was_running) stop();
static cTimerData *timer = NULL;
if (not timer) timer = CCTK_TimerCreateData();
assert(timer);
CCTK_TimerI(handle, timer);
vector<double> vals(timer->n_vals);
for (int i=0; i<timer->n_vals; ++i) {
switch (timer->vals[i].type) {
case val_int: vals[i] = timer->vals[i].val.i; break;
case val_long: vals[i] = timer->vals[i].val.l; break;
case val_double: vals[i] = timer->vals[i].val.d; break;
default: CCTK_BUILTIN_UNREACHABLE();
}
}
if (was_running) start();
return vals;
}
// Print timer data
void CactusTimer::printData ()
{
bool const was_running = running;
if (was_running) stop();
#if 0
check (not CCTK_TimerPrintDataI (handle, -1)); // -1 means: all clocks
#endif
static cTimerData * timer = 0;
if (not timer) timer = CCTK_TimerCreateData ();
assert (timer);
CCTK_TimerI (handle, timer);
static bool firsttime = true;
if (firsttime) {
printf ("# 1: timer name");
for (int i=0; i<timer->n_vals; ++i) {
printf (" %d: %s [%s]",
i+2, timer->vals[i].heading, timer->vals[i].units);
}
printf ("\n");
firsttime = false;
}
printf ("%s:", name().c_str());
for (int i=0; i<timer->n_vals; ++i) {
switch (timer->vals[i].type) {
case val_int:
printf (" %d", timer->vals[i].val.i);
break;
case val_long:
printf (" %ld", timer->vals[i].val.l);
break;
case val_double:
printf (" %g", timer->vals[i].val.d);
break;
case val_none:
break;
default:
assert (0);
}
}
printf ("\n");
if (was_running) start();
}
// Output (debug) messages that a timer is starting or stopping
void CactusTimer::msgStart () const
{
DECLARE_CCTK_PARAMETERS;
if (timers_verbose) {
CCTK_VInfo (CCTK_THORNSTRING, "Timer \"%s\" starting", name().c_str());
}
}
void CactusTimer::msgStop () const
{
DECLARE_CCTK_PARAMETERS;
if (timers_verbose) {
CCTK_VInfo (CCTK_THORNSTRING, "Timer \"%s\" stopping", name().c_str());
}
}
ostream& CactusTimer::serialise(ostream &os)
{
os << scientific << setprecision(19) << getTime() << " " << name();
return os;
}
} // namespace Carpet
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