Source code for yade.timing

# encoding: utf-8
# 2008 © Václav Šmilauer <eudoxos@arcig.cz>
"""Functions for accessing timing information stored in engines and functors.

See :ref:`timing` section of the programmer's manual for some examples (https://yade-dem.org/doc/prog.html#timing).

"""

from yade.wrapper import *


def _resetEngine(e):
	if e.timingDeltas:
		e.timingDeltas.reset()
	if isinstance(e, Functor):
		return
	if isinstance(e, Dispatcher):
		for f in e.functors:
			_resetEngine(f)
	elif isinstance(e, ParallelEngine):
		for s in e.slaves:
			_resetEngine(s)
	e.execTime, e.execCount = 0, 0


[docs]def reset(): "Zero all timing data." for e in O.engines: _resetEngine(e)
_statCols = {'label': 40, 'count': 20, 'time': 20, 'relTime': 20} _maxLev = 3
[docs]def runtime(): ''' Return total running time (same as last line in the output of stats()) in nanoseconds ''' return sum([e.execTime for e in O.engines])
def _formatLine(label, time, count, totalTime, level): sp, negSp = ' ' * level * 2, ' ' * (_maxLev - level) * 2 raw = [] raw.append(label) raw.append(str(count) if count >= 0 else '') raw.append((str(time / 1000) + u'us') if time >= 0 else '') raw.append(('%6.2f%%' % (time * 100. / totalTime)) if totalTime > 0 else '') return u' '.join( [ (sp + raw[0]).ljust(_statCols['label']), (raw[1] + negSp).rjust(_statCols['count']), (raw[2] + negSp).rjust(_statCols['time']), (raw[3] + negSp).rjust(_statCols['relTime']), ] ) def _delta_stats(deltas, totalTime, level): ret = 0 deltaTime = sum([d[1] for d in deltas.data]) for d in deltas.data: print(_formatLine(d[0], d[1], d[2], totalTime, level)) ret += 1 if len(deltas.data) > 1: print(_formatLine('TOTAL', deltaTime, sum(d[2] for d in deltas.data), totalTime, level)) ret += 1 return ret def _engines_stats(engines, totalTime, level): lines = 0 hereLines = 0 for e in engines: if not isinstance(e, Functor): print(_formatLine(u'"' + e.label + '"' if e.label else e.__class__.__name__, e.execTime, e.execCount, totalTime, level)) lines += 1 hereLines += 1 if e.timingDeltas: if isinstance(e, Functor): print( _formatLine( e.__class__.__name__, sum(d[1] for d in e.timingDeltas.data), sum(d[2] for d in e.timingDeltas.data), totalTime, level ) ) lines += 1 hereLines += 1 execTime = sum([d[1] for d in e.timingDeltas.data]) else: execTime = e.execTime lines += _delta_stats(e.timingDeltas, execTime, level + 1) if isinstance(e, Dispatcher): lines += _engines_stats(e.functors, e.execTime, level + 1) if isinstance(e, InteractionLoop): lines += _engines_stats(e.geomDispatcher.functors, e.execTime, level + 1) lines += _engines_stats(e.physDispatcher.functors, e.execTime, level + 1) lines += _engines_stats(e.lawDispatcher.functors, e.execTime, level + 1) elif isinstance(e, ParallelEngine): for slave in e.slaves: print("\\") if not isinstance(slave, list): lines += _engines_stats([slave], e.execTime, level + 1) else: for el in slave: _engines_stats([el], e.execTime, level + 1) print("/") if hereLines > 1 and not isinstance(e, Functor): print(_formatLine('TOTAL', totalTime, -1, totalTime, level)) lines += 1 return lines
[docs]def stats(): """Print summary table of timing information from engines and functors. Absolute times as well as percentages are given. Sample output: .. code-block:: none Name Count Time Rel. time ------------------------------------------------------------------------------------------------------- ForceResetter 102 2150us 0.02% "collider" 5 64200us 0.60% InteractionLoop 102 10571887us 98.49% "combEngine" 102 8362us 0.08% "newton" 102 73166us 0.68% "cpmStateUpdater" 1 9605us 0.09% PyRunner 1 136us 0.00% "plotDataCollector" 1 291us 0.00% TOTAL 10733564us 100.00% sample output (compiled with -DENABLE_PROFILING=1 option): .. code-block:: none Name Count Time Rel. time ------------------------------------------------------------------------------------------------------- ForceResetter 102 2150us 0.02% "collider" 5 64200us 0.60% InteractionLoop 102 10571887us 98.49% Ig2_Sphere_Sphere_ScGeom 1222186 1723168us 16.30% Ig2_Sphere_Sphere_ScGeom 1222186 1723168us 100.00% Ig2_Facet_Sphere_ScGeom 753 1157us 0.01% Ig2_Facet_Sphere_ScGeom 753 1157us 100.00% Ip2_CpmMat_CpmMat_CpmPhys 11712 26015us 0.25% end of Ip2_CpmPhys 11712 26015us 100.00% Ip2_FrictMat_CpmMat_FrictPhys 0 0us 0.00% Law2_ScGeom_CpmPhys_Cpm 3583872 4819289us 45.59% GO A 1194624 1423738us 29.54% GO B 1194624 1801250us 37.38% rest 1194624 1594300us 33.08% TOTAL 3583872 4819289us 100.00% Law2_ScGeom_FrictPhys_CundallStrack 0 0us 0.00% "combEngine" 102 8362us 0.08% "newton" 102 73166us 0.68% "cpmStateUpdater" 1 9605us 0.09% PyRunner 1 136us 0.00% "plotDataCollector" 1 291us 0.00% TOTAL 10733564us 100.00% """ print( 'Name'.ljust(_statCols['label']) + ' ' + 'Count'.rjust(_statCols['count']) + ' ' + 'Time'.rjust(_statCols['time']) + ' ' + 'Rel. time'.rjust(_statCols['relTime']) ) print('-' * (sum([_statCols[k] for k in _statCols]) + len(_statCols) - 1)) _engines_stats(O.engines, sum([e.execTime for e in O.engines]), 0) print()