xref: /petsc/src/benchmarks/benchmarkExample.py (revision df494a56ddfb7ca8682c083410d5db933b66f3a0)
1#!/usr/bin/env python
2import os,sys
3sys.path.append(os.path.join(os.environ['PETSC_DIR'], 'config'))
4from builder2 import buildExample
5from benchmarkBatch import generateBatchScript
6
7class PETSc(object):
8  def __init__(self):
9    return
10
11  def dir(self):
12    '''Return the root directory for the PETSc tree (usually $PETSC_DIR)'''
13    # This should search for a valid PETSc
14    return os.environ['PETSC_DIR']
15
16  def arch(self):
17    '''Return the PETSc build label (usually $PETSC_ARCH)'''
18    # This should be configurable
19    return os.environ['PETSC_ARCH']
20
21  def mpiexec(self):
22    '''Return the path for the mpi launch executable'''
23    mpiexec = os.path.join(self.dir(), self.arch(), 'bin', 'mpiexec')
24    if not os.path.isfile(mpiexec):
25      return None
26    return mpiexec
27
28  def example(self, num):
29    '''Return the path to the executable for a given example number'''
30    return os.path.join(self.dir(), self.arch(), 'lib', 'ex'+str(num)+'-obj', 'ex'+str(num))
31
32  def source(self, library, num):
33    '''Return the path to the sources for a given example number'''
34    d = os.path.join(self.dir(), 'src', library.lower(), 'examples', 'tutorials')
35    name = 'ex'+str(num)
36    sources = []
37    for f in os.listdir(d):
38      if f == name+'.c':
39        sources.insert(0, f)
40      elif f.startswith(name) and f.endswith('.cu'):
41        sources.append(f)
42    return map(lambda f: os.path.join(d, f), sources)
43
44class PETScExample(object):
45  def __init__(self, library, num, **defaultOptions):
46    self.petsc   = PETSc()
47    self.library = library
48    self.num     = num
49    self.opts    = defaultOptions
50    return
51
52  @staticmethod
53  def runShellCommand(command, cwd = None):
54    import subprocess
55
56    Popen = subprocess.Popen
57    PIPE  = subprocess.PIPE
58    print 'Executing: %s\n' % (command,)
59    pipe = Popen(command, cwd=cwd, stdin=None, stdout=PIPE, stderr=PIPE, bufsize=-1, shell=True, universal_newlines=True)
60    (out, err) = pipe.communicate()
61    ret = pipe.returncode
62    return (out, err, ret)
63
64  def optionsToString(self, **opts):
65    '''Convert a dictionary of options to a command line argument string'''
66    a = []
67    for key,value in opts.iteritems():
68      if value is None:
69        a.append('-'+key)
70      else:
71        a.append('-'+key+' '+str(value))
72    return ' '.join(a)
73
74  def run(self, numProcs = 1, **opts):
75    if self.petsc.mpiexec() is None:
76      cmd = self.petsc.example(self.num)
77    else:
78      cmd = ' '.join([self.petsc.mpiexec(), '-n', str(numProcs), self.petsc.example(self.num)])
79    cmd += ' '+self.optionsToString(**self.opts)+' '+self.optionsToString(**opts)
80    if 'batch' in opts and opts['batch']:
81      del opts['batch']
82      filename = generateBatchScript(self.num, numProcs, 120, ' '+self.optionsToString(**self.opts)+' '+self.optionsToString(**opts))
83      # Submit job
84      out, err, ret = self.runShellCommand('qsub -q gpu '+filename)
85      if ret:
86        print err
87        print out
88    else:
89      out, err, ret = self.runShellCommand(cmd)
90      if ret:
91        print err
92        print out
93    return out
94
95def processSummary(moduleName, defaultStage, eventNames, times, events):
96  '''Process the Python log summary into plot data'''
97  m = __import__(moduleName)
98  reload(m)
99  # Total Time
100  times.append(m.Time[0])
101  # Particular events
102  for name in eventNames:
103    if name.find(':') >= 0:
104      stageName, name = name.split(':', 1)
105      stage = getattr(m, stageName)
106    else:
107      stage = getattr(m, defaultStage)
108    if name in stage.event:
109      if not name in events:
110        events[name] = []
111      try:
112        events[name].append((stage.event[name].Time[0], stage.event[name].Flops[0]/(stage.event[name].Time[0] * 1e6)))
113      except ZeroDivisionError:
114        events[name].append((stage.event[name].Time[0], 0))
115  return
116
117def plotSummaryLine(library, num, eventNames, sizes, times, events):
118  from pylab import legend, plot, show, title, xlabel, ylabel
119  import numpy as np
120  showTime       = False
121  showEventTime  = True
122  showEventFlops = True
123  arches         = sizes.keys()
124  # Time
125  if showTime:
126    data = []
127    for arch in arches:
128      data.append(sizes[arch])
129      data.append(times[arch])
130    plot(*data)
131    title('Performance on '+library+' Example '+str(num))
132    xlabel('Number of Dof')
133    ylabel('Time (s)')
134    legend(arches, 'upper left', shadow = True)
135    show()
136  # Common event time
137  #   We could make a stacked plot like Rio uses here
138  if showEventTime:
139    bs    = events[arches[0]].keys()[0]
140    data  = []
141    names = []
142    for event, color in zip(eventNames, ['b', 'g', 'r', 'y']):
143      for arch, style in zip(arches, ['-', ':']):
144        if event in events[arch][bs]:
145          names.append(arch+'-'+str(bs)+' '+event)
146          data.append(sizes[arch][bs])
147          data.append(np.array(events[arch][bs][event])[:,0])
148          data.append(color+style)
149        else:
150          print 'Could not find %s in %s-%d events' % (event, arch, bs)
151    print data
152    plot(*data)
153    title('Performance on '+library+' Example '+str(num))
154    xlabel('Number of Dof')
155    ylabel('Time (s)')
156    legend(names, 'upper left', shadow = True)
157    show()
158  # Common event flops
159  #   We could make a stacked plot like Rio uses here
160  if showEventFlops:
161    bs    = events[arches[0]].keys()[0]
162    data  = []
163    names = []
164    for event, color in zip(eventNames, ['b', 'g', 'r', 'y']):
165      for arch, style in zip(arches, ['-', ':']):
166        if event in events[arch][bs]:
167          names.append(arch+'-'+str(bs)+' '+event)
168          data.append(sizes[arch][bs])
169          data.append(np.array(events[arch][bs][event])[:,1])
170          data.append(color+style)
171        else:
172          print 'Could not find %s in %s-%d events' % (event, arch, bs)
173    plot(*data)
174    title('Performance on '+library+' Example '+str(num))
175    xlabel('Number of Dof')
176    ylabel('Computation Rate (MF/s)')
177    legend(names, 'upper left', shadow = True)
178    show()
179  return
180
181def plotSummaryBar(library, num, eventNames, sizes, times, events):
182  import numpy as np
183  import matplotlib.pyplot as plt
184
185  eventColors = ['b', 'g', 'r', 'y']
186  arches = sizes.keys()
187  names  = []
188  N      = len(sizes[arches[0]])
189  width  = 0.2
190  ind    = np.arange(N) - 0.25
191  bars   = {}
192  for arch in arches:
193    bars[arch] = []
194    bottom = np.zeros(N)
195    for event, color in zip(eventNames, eventColors):
196      names.append(arch+' '+event)
197      times = np.array(events[arch][event])[:,0]
198      bars[arch].append(plt.bar(ind, times, width, color=color, bottom=bottom))
199      bottom += times
200    ind += 0.3
201
202  plt.xlabel('Number of Dof')
203  plt.ylabel('Time (s)')
204  plt.title('GPU vs. CPU Performance on '+library+' Example '+str(num))
205  plt.xticks(np.arange(N), map(str, sizes[arches[0]]))
206  #plt.yticks(np.arange(0,81,10))
207  #plt.legend( (p1[0], p2[0]), ('Men', 'Women') )
208  plt.legend([bar[0] for bar in bars[arches[0]]], eventNames, 'upper right', shadow = True)
209
210  plt.show()
211  return
212
213def getDMComplexSize(dim, out):
214  '''Retrieves the number of cells from '''
215  size = 0
216  for line in out.split('\n'):
217    if line.strip().startswith(str(dim)+'-cells: '):
218      size = int(line.strip()[9:])
219      break
220  return size
221
222def run_DMDA(ex, name, opts, args, sizes, times, events):
223  for n in map(int, args.size):
224    ex.run(da_grid_x=n, da_grid_y=n, **opts)
225    sizes[name].append(n*n * args.comp)
226    processSummary('summary', args.stage, args.events, times[name], events[name])
227  return
228
229def run_DMComplex(ex, name, opts, args, sizes, times, events):
230  # This should eventually be replaced by a direct FFC/Ignition interface
231  if args.operator == 'laplacian':
232    numComp  = 1
233  elif args.operator == 'elasticity':
234    numComp  = args.dim
235  else:
236    raise RuntimeError('Unknown operator: %s' % args.operator)
237
238  for numBlock in [2**i for i in map(int, args.blockExp)]:
239    opts['gpu_blocks'] = numBlock
240    # Generate new block size
241    cmd = './bin/pythonscripts/PetscGenerateFEMQuadrature.py %d %d %d %d %s %s.h' % (args.dim, args.order, numComp, numBlock, args.operator, os.path.splitext(source[0])[0])
242    print(cmd)
243    ret = os.system('python '+cmd)
244    args.files = ['['+','.join(source)+']']
245    buildExample(args)
246    sizes[name][numBlock]  = []
247    times[name][numBlock]  = []
248    events[name][numBlock] = {}
249    for r in map(float, args.refine):
250      out = ex.run(refinement_limit=r, **opts)
251      sizes[name][numBlock].append(getDMComplexSize(args.dim, out))
252      processSummary('summary', args.stage, args.events, times[name][numBlock], events[name][numBlock])
253  return
254
255if __name__ == '__main__':
256  import argparse
257
258  parser = argparse.ArgumentParser(description     = 'PETSc Benchmarking',
259                                   epilog          = 'This script runs src/<library>/examples/tutorials/ex<num>, For more information, visit http://www.mcs.anl.gov/petsc',
260                                   formatter_class = argparse.ArgumentDefaultsHelpFormatter)
261  parser.add_argument('--library', default='SNES',                     help='The PETSc library used in this example')
262  parser.add_argument('--num',     type = int, default='5',            help='The example number')
263  parser.add_argument('--module',  default='summary',                  help='The module for timing output')
264  parser.add_argument('--stage',   default='Main_Stage',               help='The default logging stage')
265  parser.add_argument('--events',  nargs='+',                          help='Events to process')
266  parser.add_argument('--batch',   action='store_true', default=False, help='Generate batch files for the runs instead')
267  subparsers = parser.add_subparsers(help='DM types')
268
269  parser_dmda = subparsers.add_parser('DMDA', help='Use a DMDA for the problem geometry')
270  parser_dmda.add_argument('--size', nargs='+',  default=['10'], help='Grid size (implementation dependent)')
271  parser_dmda.add_argument('--comp', type = int, default='1',    help='Number of field components')
272  parser_dmda.add_argument('runs',   nargs='*',                  help='Run descriptions: <name>=<args>')
273
274  parser_dmmesh = subparsers.add_parser('DMComplex', help='Use a DMComplex for the problem geometry')
275  parser_dmmesh.add_argument('--dim',      type = int, default='2',        help='Spatial dimension')
276  parser_dmmesh.add_argument('--refine',   nargs='+',  default=['0.0'],    help='List of refinement limits')
277  parser_dmmesh.add_argument('--order',    type = int, default='1',        help='Order of the finite element')
278  parser_dmmesh.add_argument('--operator', default='laplacian',            help='The operator name')
279  parser_dmmesh.add_argument('--blockExp', nargs='+', default=range(0, 5), help='List of block exponents j, block size is 2^j')
280  parser_dmmesh.add_argument('runs',       nargs='*',                      help='Run descriptions: <name>=<args>')
281
282  args = parser.parse_args()
283  print(args)
284  if hasattr(args, 'comp'):
285    args.dmType = 'DMDA'
286  else:
287    args.dmType = 'DMComplex'
288
289  ex     = PETScExample(args.library, args.num, log_summary='summary.dat', log_summary_python = None if args.batch else args.module+'.py', preload='off')
290  source = ex.petsc.source(args.library, args.num)
291  sizes  = {}
292  times  = {}
293  events = {}
294
295  for run in args.runs:
296    name, stropts = run.split('=', 1)
297    opts = dict([t if len(t) == 2 else (t[0], None) for t in [arg.split('=', 1) for arg in stropts.split(' ')]])
298    if args.dmType == 'DMDA':
299      sizes[name]  = []
300      times[name]  = []
301      events[name] = {}
302      run_DMDA(ex, name, opts, args, sizes, times, events)
303    elif args.dmType == 'DMComplex':
304      sizes[name]  = {}
305      times[name]  = {}
306      events[name] = {}
307      run_DMComplex(ex, name, opts, args, sizes, times, events)
308  print('sizes',sizes)
309  print('times',times)
310  print('events',events)
311  if not args.batch: plotSummaryLine(args.library, args.num, args.events, sizes, times, events)
312# Benchmark for ex50
313# ./src/benchmarks/benchmarkExample.py --events VecMDot VecMAXPY KSPGMRESOrthog MatMult VecCUSPCopyTo VecCUSPCopyFrom MatCUSPCopyTo --num 50 DMDA --size 10 20 50 100 --comp 4 CPU='pc_type=none mat_no_inode dm_vec_type=seq dm_mat_type=seqaij' GPU='pc_type=none mat_no_inode dm_vec_type=seqcusp dm_mat_type=seqaijcusp cusp_synchronize'
314# Benchmark for ex52
315# ./src/benchmarks/benchmarkExample.py --events IntegBatchCPU IntegBatchGPU IntegGPUOnly --num 52 DMComplex --refine 0.0625 0.00625 0.000625 0.0000625 --blockExp 4 --order 1 CPU='dm_view show_residual=0 compute_function batch' GPU='dm_view show_residual=0 compute_function batch gpu gpu_batches=8'
316