/[escript]/trunk/escript/py_src/benchmark.py
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Contents of /trunk/escript/py_src/benchmark.py

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Revision 434 - (show annotations)
Thu Jan 19 01:53:16 2006 UTC (13 years, 10 months ago) by gross
File MIME type: text/x-python
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prints out the benchmark been started
1 filter# $Id:$
2
3 #
4 # COPYRIGHT ACcESS 2004 - All Rights Reserved
5 #
6 # This software is the property of ACcESS. No part of this code
7 # may be copied in any form or by any means without the expressed written
8 # consent of ACcESS. Copying, use or modification of this software
9 # by any unauthorised person is illegal unless that
10 # person has a software license agreement with ACcESS.
11 #
12
13 """
14 A simple framework to run benchmarks under OPENMP and to summarize the results in tables for instance in HTML
15
16 @var __author__: name of author
17 @var __licence__: licence agreement
18 var __url__: url entry point on documentation
19 @var __version__: version
20 @var __date__: date of the version
21 """
22
23 __author__="Lutz Gross, l.gross@uq.edu.au"
24 __licence__="contact: esys@access.uq.edu.au"
25 __url__="http://www.iservo.edu.au/esys/escript"
26 __version__="$Revision:$"
27 __date__="$Date:$"
28
29 import os,socket,time,sys
30 from esys.escript import setNumberOfThreads
31
32 class BenchmarkSuite(object):
33 """
34 framework to run a bunch of L{Benchmark}s with the object to create a table of statistics.
35 @var MAX_LEVEL: maximum number of level in headers for output
36 """
37 MAX_LEVEL=5
38 def __init__(self,name=None):
39 """
40 sets up a suite of benchmarks
41
42 @param name: name of the benchmark suite. If no name is given the class name is used.
43 @type name: C{str}
44 """
45 super(BenchmarkSuite,self).__init__()
46 self.__benchmarks=[]
47 self.__scale=1
48 if name==None:
49 self.__name=self.__class__.__name__
50 else:
51 self.__name=name
52
53 def __str__(self):
54 """
55 returns the name of the benchmark suite
56
57 @return: name
58 @rtype: C{str}
59 """
60 return self.__name
61 def addBenchmark(self,benchmark):
62 """
63 adds a L{Benchmark} to the suite
64
65 @param benchmark: adds a new L{Benchmark} to the suite
66 @type benchmark: L{Benchmark}
67 """
68 self.__benchmarks.append(benchmark)
69 def __len__(self):
70 """
71 returns the number of benchmarks in the suite
72
73 @return: number of benchmarks
74 @rtype: C{int}
75 """
76 return len(self.__benchmarks)
77 def __getitem__(self,i):
78 """
79 returns the i-th benchmark in the suite through self[i]
80
81 @param i: index of the requested benchmark
82 @type i: C{int}
83 @return: i-th benchmark
84 @rtype: L{Benchmark}
85
86 """
87 return self.__benchmarks[i]
88 def run(self,scale=1):
89 """
90 runs all benchmarks
91
92 @param scale: defines the number of (OpenMP) threads to be used. If scale is a scalar all benchmarks
93 are run with scale number of threads. If scale is a C{list}, the p-th problem in each of the benchmarks
94 in the suite is run with scale[p] threads. If scale[p]<1 teh p-th problem is omitted.
95 @type scale: C{int} or C{list} of C{int}s.
96 """
97 self.__scale=scale
98 for i in range(len(self)): self[i].run(scale=scale)
99 def getHTML(self,filter,level=1):
100 """
101 returns the results of the last benchmark run in HTML format.
102
103 @param filter: filter to be applied to the results
104 @type filter: L{BenchmarkFilter}
105 @param level: level used in header <H?> tags
106 @type level: C{int}
107 @return: HTML document
108 @rtype: C{str}
109 """
110 out=""
111 if level==1: out+="<HTML><HEAD><TITLE>Benchmark: %s</TITLE></HEAD><BODY>\n"%str(self)
112 out+="<H%s>%s</H%s>\n"%(level,str(self),level)
113 if level==1:
114 m=""
115 if isinstance(self.__scale,int):
116 if self.__scale>1:
117 m=" (%s threads)"%self.__scale
118 out+="<p>platform: %s%s</p>\n"%(socket.gethostname(),m)
119 for i in range(len(self)):
120 out+="<p>\n"
121 out+=self[i].getHTML(filter=filter,level=min(level+1,self.MAX_LEVEL))
122 out+="<p>\n"
123 if level==1:
124 try:
125 name=os.getlogin()
126 out+="<hr><p align=\"center\">by %s at %s</p>\n"%(name,time.strftime('%X %x %Z'))
127 except OSError:
128 out+="<hr><p align=\"center\">%s</p>\n"%(time.strftime('%X %x %Z'))
129
130 out+="</BODY></HTML>\n"
131 return out
132
133
134 class Benchmark(object):
135 """
136 runs a bunch of similar L{BenchmarkProblem}s with a bunch of L{Options}
137 """
138 def __init__(self,name=None,description=None):
139 """
140 sets up a benchmark
141
142 @param name: name of the benchmark. If no name is given the class name is used.
143 @type name: C{str}
144 @param description: description of the benchmark.
145 @type description: C{str} or C{None}
146 """
147 super(Benchmark,self).__init__()
148 self.__options=[]
149 self.__problems=[]
150 self.__results=[]
151 self.__scale=1
152 if name==None:
153 self.__name=self.__class__.__name__
154 else:
155 self.__name=name
156 self.__description=description
157
158 def __str__(self):
159 """
160 returns the name of the benchmark suite
161
162 @return: name
163 @rtype: C{str}
164 """
165 return self.__name
166
167 def addProblem(self,problem):
168 """
169 adds a problem to the benchmark
170
171 @param problem: adds a new problem to the bechmark
172 @type problem: L{BenchmarkProblem}
173 """
174 self.__problems.append(problem)
175
176 def addOptions(self,Options):
177 """
178 adds a options to the benchmark
179
180 @param options: adds a new option to the bechmark
181 @type problem: L{Options}
182 """
183 self.__options.append(Options)
184
185 def run(self,scale=1):
186 """
187 runs all problems with all options.
188
189
190 @param scale: defines the number of (OpenMP) threads to be used. If scale is a scalar all benchmarks
191 are run with scale number of threads. If scale is a C{list}, the p-th problem in each of the benchmarks
192 in the suite is run with scale[p] threads. If scale[p]<1 teh p-th problem is omitted.
193 @type scale: C{int} or C{list} of C{int}s.
194 """
195 if isinstance(scale,list):
196 c_max=min(len(scale),len(self.__problems))
197 else:
198 c_max=len(self.__problems)
199 self.__filter=filter
200 self.__scale=scale
201 self.__results=[]
202 for c in range(c_max):
203 r=self.__problems[c]
204 if isinstance(scale,list):
205 s=scale[c]
206 else:
207 s=scale
208 row=[]
209 if s>0:
210 print "run %s with %s threads"%(r.__class__,s)
211 for p in self.__options:
212 setNumberOfThreads(s)
213 row.append(r.run(p))
214 self.__results.append(row)
215 def getHTML(self,filter,level=1):
216 """
217 returns the results of the last benchmark run in HTML format.
218
219 @param filter: filter to be applied to the results
220 @type filter: L{BenchmarkFilter}
221 @param level: level used in header <H?> tags
222 @type level: C{int}
223 @return: HTML document
224 @rtype: C{str}
225 """
226 out=""
227 if level==1: out+="<HTML><HEAD><TITLE>Benchmark: %s</TITLE></HEAD><BODY>\n"%str(self)
228 out+="<H%s>%s</H%s>\n"%(level,str(self),level)
229 if level==1:
230 m=""
231 if isinstance(self.__scale,int):
232 if self.__scale>1:
233 m=" (%s threads)"%self.__scale
234 out+="<p>platform: %s%s</p>\n"%(socket.gethostname(),m)
235 if self.__description: out+="<p>%s</p>\n"%str(self.__description)
236 if len(self.__problems)>0:
237 out+="<TABLE ALIGN=\"center\" BORDER=3 CELLPADDING=5 CELLSPACING=1>\n"
238 h1_seg=""
239 rn=filter.getResultNames()
240 if len(rn)==0:
241 h1_seg+="<TD></TD>"
242 else:
243 for n in rn: h1_seg+="<TD ALIGN=\"center\">%s</TD>"%n
244 h0="<TR><TH ALIGN=\"center\" ROWSPAN=2>Case</TH>"
245 h1="<TR>"
246 if isinstance(self.__scale,list): h0+="<TH ALIGN=\"center\" ROWSPAN=2>Threads</TH>"
247 for o in self.__options:
248 if len(rn)==0:
249 h0+="<TH ALIGN=\"center\">%s</TH>"%str(o)
250 elif len(rn)==1:
251 h0+="<TH ALIGN=\"center\">%s</TH>"%str(o)
252 empty_h1=False
253 else:
254 h0+="<TH ALIGN=\"center\" COLSPAN=%s>%s</TH>"%(len(rn),str(o))
255 h1+=h1_seg
256 out+=h0+"</TR>\n"+h1+"</TR>\n"
257 c=0
258 for r in range(len(self.__results)):
259 out+="<TR><TH ALIGN=\"right\">%s</TH>"%str(self.__problems[r])
260 if isinstance(self.__scale,list): out+="<TD ALIGN=\"right\">%s</TD>"%self.__scale[c]
261 for col in self.__results[r]:
262 for e in filter(col): out+="<TD ALIGN=\"right\">%s</TD>"%e
263 out+="</TR>\n"
264 c+=1
265 out+="</TABLE>"
266 if level==1:
267 out+="<hr><p align=\"center\">by %s at %s</p>\n"%(os.getlogin(),time.strftime('%X %x %Z'))
268 out+="</BODY></HTML>\n"
269 return out
270
271 class BenchmarkProblem(object):
272 """
273 something that can be run and returns a list of characteristics such as timing, Mflops, error, etc.
274 """
275 def __init__(self,name=None):
276 """
277 sets up a benchmark problem
278
279 @param name: name of the problem. If no name is given the class name is used.
280 @type name: C{str}
281 """
282 super(BenchmarkProblem,self).__init__()
283 if name==None:
284 self.__name=self.__class__.__name__
285 else:
286 self.__name=name
287
288
289 def __str__(self):
290 """
291 returns the name of the benchmark suite
292
293 @return: name
294 @rtype: C{str}
295 """
296 return self.__name
297
298 def run(self,options=None):
299 """
300 runs the problem and returns a list of run characteristics
301
302
303 @param options: the options that are used for the run. Note that the number of OpenMP threads is controlled
304 by the L{Benchmark} the problem is run in.
305 @type options: L{Options}
306 @return: run characteristics
307 @rtype: any type that can be read by the L{BenchmarkFilter} applied to it.
308 @remark: this function has to overwritten by a particular problem
309 """
310 raise NotImplementedError
311 return []
312
313 class BenchmarkFilter(object):
314 """
315 object to filter the characteristcs returned by Bechmark runs.
316
317 """
318 def __init__(self):
319 """
320 sets up a filter
321 """
322 pass
323
324
325 def getResultNames(self):
326 """
327 return the names of the results produced when run() is called.
328
329 @return: names the list of the names to be used when the results of the run() call are printed
330 @rtype: C{list} of C{str}
331 @remark: this function has to overwritten by a particular problem
332 """
333 raise NotImplementedError
334 return []
335
336 def __call__(self,result):
337 """
338 filters out values results returned as characteristcs of a problem run
339
340 @param result: values to be filtered
341 @type result: any type that is produced by the L{BenchmarkProblem} it is applied to
342 @return: a list of strings selected from result
343 @rtype: C{list} of C{str}
344 @remark: this function has to overwritten by a particular problem
345 """
346 raise NotImplementedError
347 return []
348
349
350 class Options(object):
351 """
352 defines a set of options to be used to run a L{BenchmarkProblem}
353 """
354 def __init__(self,name=None):
355 """
356 sets up the options
357
358 @param name: name of the option. If no name is given the class name is used.
359 @type name: C{str}
360 """
361 super(Options,self).__init__()
362 if name==None:
363 self.__name=self.__class__.__name__
364 else:
365 self.__name=name
366 def __str__(self):
367 """
368 returns the name of the benchmark suite
369
370 @return: name
371 @rtype: C{str}
372 """
373 return self.__name
374
375 if __name__=="__main__":
376
377 class OptionsTest1(Options):
378 pass
379 class OptionsTest2(Options):
380 pass
381
382 class BenchmarkProblemTest1(BenchmarkProblem):
383 def __init__(self):
384 super(BenchmarkProblemTest1,self).__init__(name="TEST1")
385 def run(self,options=None):
386 import time
387 return time.time(),"A"
388
389 class BenchmarkProblemTest2(BenchmarkProblem):
390 def __init__(self):
391 super(BenchmarkProblemTest2,self).__init__(name="TEST2")
392 def run(self,options=None):
393 import time
394 return -time.time(),"B"
395
396 class SimpleFilter(BenchmarkFilter):
397 def getResultNames(self):
398 return ["r0","r1"]
399 def __call__(self,result):
400 return [str(result[0]),str(result[1])]
401
402 bm=Benchmark("Example")
403 bm.addProblem(BenchmarkProblemTest1())
404 bm.addProblem(BenchmarkProblemTest2())
405 bm.addOptions(OptionsTest1())
406 bm.addOptions(OptionsTest2())
407
408 bms=BenchmarkSuite("A Test")
409 bms.addBenchmark(bm)
410
411 bms.run()
412 print bms.getHTML(filter=SimpleFilter())
413
414 bms.run(scale=4)
415 print bms.getHTML(filter=SimpleFilter())
416
417 bms.run(scale=[1,2])
418 print bms.getHTML(filter=SimpleFilter())

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