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

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Revision 393 - (show annotations)
Tue Dec 20 05:40:43 2005 UTC (13 years, 8 months ago) by gross
File MIME type: text/x-python
File size: 13318 byte(s)
set number of threads works now
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 for p in self.__options:
211 setNumberOfThreads(s)
212 row.append(r.run(p))
213 self.__results.append(row)
214 def getHTML(self,filter,level=1):
215 """
216 returns the results of the last benchmark run in HTML format.
217
218 @param filter: filter to be applied to the results
219 @type filter: L{BenchmarkFilter}
220 @param level: level used in header <H?> tags
221 @type level: C{int}
222 @return: HTML document
223 @rtype: C{str}
224 """
225 out=""
226 if level==1: out+="<HTML><HEAD><TITLE>Benchmark: %s</TITLE></HEAD><BODY>\n"%str(self)
227 out+="<H%s>%s</H%s>\n"%(level,str(self),level)
228 if level==1:
229 m=""
230 if isinstance(self.__scale,int):
231 if self.__scale>1:
232 m=" (%s threads)"%self.__scale
233 out+="<p>platform: %s%s</p>\n"%(socket.gethostname(),m)
234 if self.__description: out+="<p>%s</p>\n"%str(self.__description)
235 if len(self.__problems)>0:
236 out+="<TABLE ALIGN=\"center\" BORDER=3 CELLPADDING=5 CELLSPACING=1>\n"
237 h1_seg=""
238 rn=filter.getResultNames()
239 if len(rn)==0:
240 h1_seg+="<TD></TD>"
241 else:
242 for n in rn: h1_seg+="<TD ALIGN=\"center\">%s</TD>"%n
243 h0="<TR><TH ALIGN=\"center\" ROWSPAN=2>Case</TH>"
244 h1="<TR>"
245 if isinstance(self.__scale,list): h0+="<TH ALIGN=\"center\" ROWSPAN=2>Threads</TH>"
246 for o in self.__options:
247 if len(rn)==0:
248 h0+="<TH ALIGN=\"center\">%s</TH>"%str(o)
249 elif len(rn)==1:
250 h0+="<TH ALIGN=\"center\">%s</TH>"%str(o)
251 empty_h1=False
252 else:
253 h0+="<TH ALIGN=\"center\" COLSPAN=%s>%s</TH>"%(len(rn),str(o))
254 h1+=h1_seg
255 out+=h0+"</TR>\n"+h1+"</TR>\n"
256 c=0
257 for r in range(len(self.__results)):
258 out+="<TR><TH ALIGN=\"right\">%s</TH>"%str(self.__problems[r])
259 if isinstance(self.__scale,list): out+="<TD ALIGN=\"right\">%s</TD>"%self.__scale[c]
260 for col in self.__results[r]:
261 for e in filter(col): out+="<TD ALIGN=\"right\">%s</TD>"%e
262 out+="</TR>\n"
263 c+=1
264 out+="</TABLE>"
265 if level==1:
266 out+="<hr><p align=\"center\">by %s at %s</p>\n"%(os.getlogin(),time.strftime('%X %x %Z'))
267 out+="</BODY></HTML>\n"
268 return out
269
270 class BenchmarkProblem(object):
271 """
272 something that can be run and returns a list of characteristics such as timing, Mflops, error, etc.
273 """
274 def __init__(self,name=None):
275 """
276 sets up a benchmark problem
277
278 @param name: name of the problem. If no name is given the class name is used.
279 @type name: C{str}
280 """
281 super(BenchmarkProblem,self).__init__()
282 if name==None:
283 self.__name=self.__class__.__name__
284 else:
285 self.__name=name
286
287
288 def __str__(self):
289 """
290 returns the name of the benchmark suite
291
292 @return: name
293 @rtype: C{str}
294 """
295 return self.__name
296
297 def run(self,options=None):
298 """
299 runs the problem and returns a list of run characteristics
300
301
302 @param options: the options that are used for the run. Note that the number of OpenMP threads is controlled
303 by the L{Benchmark} the problem is run in.
304 @type options: L{Options}
305 @return: run characteristics
306 @rtype: any type that can be read by the L{BenchmarkFilter} applied to it.
307 @remark: this function has to overwritten by a particular problem
308 """
309 raise NotImplementedError
310 return []
311
312 class BenchmarkFilter(object):
313 """
314 object to filter the characteristcs returned by Bechmark runs.
315
316 """
317 def __init__(self):
318 """
319 sets up a filter
320 """
321 pass
322
323
324 def getResultNames(self):
325 """
326 return the names of the results produced when run() is called.
327
328 @return: names the list of the names to be used when the results of the run() call are printed
329 @rtype: C{list} of C{str}
330 @remark: this function has to overwritten by a particular problem
331 """
332 raise NotImplementedError
333 return []
334
335 def __call__(self,result):
336 """
337 filters out values results returned as characteristcs of a problem run
338
339 @param result: values to be filtered
340 @type result: any type that is produced by the L{BenchmarkProblem} it is applied to
341 @return: a list of strings selected from result
342 @rtype: C{list} of C{str}
343 @remark: this function has to overwritten by a particular problem
344 """
345 raise NotImplementedError
346 return []
347
348
349 class Options(object):
350 """
351 defines a set of options to be used to run a L{BenchmarkProblem}
352 """
353 def __init__(self,name=None):
354 """
355 sets up the options
356
357 @param name: name of the option. If no name is given the class name is used.
358 @type name: C{str}
359 """
360 super(Options,self).__init__()
361 if name==None:
362 self.__name=self.__class__.__name__
363 else:
364 self.__name=name
365 def __str__(self):
366 """
367 returns the name of the benchmark suite
368
369 @return: name
370 @rtype: C{str}
371 """
372 return self.__name
373
374 if __name__=="__main__":
375
376 class OptionsTest1(Options):
377 pass
378 class OptionsTest2(Options):
379 pass
380
381 class BenchmarkProblemTest1(BenchmarkProblem):
382 def __init__(self):
383 super(BenchmarkProblemTest1,self).__init__(name="TEST1")
384 def run(self,options=None):
385 import time
386 return time.time(),"A"
387
388 class BenchmarkProblemTest2(BenchmarkProblem):
389 def __init__(self):
390 super(BenchmarkProblemTest2,self).__init__(name="TEST2")
391 def run(self,options=None):
392 import time
393 return -time.time(),"B"
394
395 class SimpleFilter(BenchmarkFilter):
396 def getResultNames(self):
397 return ["r0","r1"]
398 def __call__(self,result):
399 return [str(result[0]),str(result[1])]
400
401 bm=Benchmark("Example")
402 bm.addProblem(BenchmarkProblemTest1())
403 bm.addProblem(BenchmarkProblemTest2())
404 bm.addOptions(OptionsTest1())
405 bm.addOptions(OptionsTest2())
406
407 bms=BenchmarkSuite("A Test")
408 bms.addBenchmark(bm)
409
410 bms.run()
411 print bms.getHTML(filter=SimpleFilter())
412
413 bms.run(scale=4)
414 print bms.getHTML(filter=SimpleFilter())
415
416 bms.run(scale=[1,2])
417 print bms.getHTML(filter=SimpleFilter())

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