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# $Id:$ |
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|
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# |
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# COPYRIGHT ACcESS 2004 - All Rights Reserved |
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# |
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# This software is the property of ACcESS. No part of this code |
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# may be copied in any form or by any means without the expressed written |
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# consent of ACcESS. Copying, use or modification of this software |
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# by any unauthorised person is illegal unless that |
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# person has a software license agreement with ACcESS. |
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# |
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|
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""" |
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A simple framework to run benchmarks under OPENMP and to summarize the results in tables for instance in HTML |
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|
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@var __author__: name of author |
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@var __licence__: licence agreement |
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var __url__: url entry point on documentation |
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@var __version__: version |
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@var __date__: date of the version |
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""" |
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|
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__author__="Lutz Gross, l.gross@uq.edu.au" |
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__licence__="contact: esys@access.uq.edu.au" |
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__url__="http://www.iservo.edu.au/esys/escript" |
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__version__="$Revision:$" |
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__date__="$Date:$" |
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|
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import os,socket,time,sys |
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|
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class BenchmarkSuite(object): |
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""" |
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framework to run a bunch of L{Benchmark}s with the object to create a table of statistics. |
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@var MAX_LEVEL: maximum number of level in headers for output |
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""" |
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MAX_LEVEL=5 |
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def __init__(self,name=None): |
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""" |
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sets up a suite of benchmarks |
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|
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@param name: name of the benchmark suite. If no name is given the class name is used. |
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@type name: C{str} |
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""" |
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super(BenchmarkSuite,self).__init__() |
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self.__benchmarks=[] |
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self.__scale=1 |
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if name==None: |
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self.__name=self.__class__.__name__ |
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else: |
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self.__name=name |
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|
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def __str__(self): |
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""" |
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returns the name of the benchmark suite |
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|
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@return: name |
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@rtype: C{str} |
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""" |
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return self.__name |
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def addBenchmark(self,benchmark): |
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""" |
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adds a L{Benchmark} to the suite |
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|
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@param benchmark: adds a new L{Benchmark} to the suite |
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@type benchmark: L{Benchmark} |
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""" |
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self.__benchmarks.append(benchmark) |
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def __len__(self): |
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""" |
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returns the number of benchmarks in the suite |
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|
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@return: number of benchmarks |
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@rtype: C{int} |
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""" |
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return len(self.__benchmarks) |
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def __getitem__(self,i): |
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""" |
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returns the i-th benchmark in the suite through self[i] |
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|
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@param i: index of the requested benchmark |
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@type i: C{int} |
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@return: i-th benchmark |
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@rtype: L{Benchmark} |
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|
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""" |
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return self.__benchmarks[i] |
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def run(self,scale=1): |
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""" |
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runs all benchmarks |
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|
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@param scale: defines the number of (OpenMP) threads to be used. If scale is a scalar all benchmarks |
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are run with scale number of threads. If scale is a C{list}, the p-th problem in each of the benchmarks |
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in the suite is run with scale[p] threads. In the case, len(scale) has to be less or equal to the |
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largest benchmark in the suite. |
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@type scale: C{int} or C{list} of C{int}s. |
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""" |
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self.__scale=scale |
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for i in range(len(self)): self[i].run(scale) |
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def getHTML(self,level=1): |
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""" |
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returns the results of the last benchmark run in HTML format. |
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|
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@param level: level used in header <H?> tags |
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@type level: C{int} |
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@return: HTML document |
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@rtype: C{str} |
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""" |
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out="" |
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if level==1: out+="<HTML><HEAD><TITLE>Benchmark: %s</TITLE></HEAD><BODY>\n"%str(self) |
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out+="<H%s>%s</H%s>\n"%(level,str(self),level) |
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if level==1: |
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m="" |
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if isinstance(self.__scale,int): |
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if self.__scale>1: |
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m=" (%s threads)"%self.__scale |
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out+="<p>platform: %s%s</p>\n"%(socket.gethostname(),m) |
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for i in range(len(self)): |
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out+="<p>\n" |
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out+=self[i].getHTML(min(level+1,self.MAX_LEVEL)) |
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out+="<p>\n" |
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if level==1: |
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out+="<hr><p align=\"center\">by %s at %s</p>\n"%(os.getlogin(),time.strftime('%X %x %Z')) |
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out+="</BODY></HTML>\n" |
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return out |
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|
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|
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class Benchmark(object): |
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""" |
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runs a bunch of similar L{BenchmarkProblem}s with a bunch of L{Options} |
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""" |
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def __init__(self,name=None,description=None): |
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""" |
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sets up a benchmark |
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|
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@param name: name of the benchmark. If no name is given the class name is used. |
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@type name: C{str} |
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@param description: description of the benchmark. |
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@type description: C{str} or C{None} |
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""" |
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super(Benchmark,self).__init__() |
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self.__options=[] |
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self.__problems=[] |
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self.__results=[] |
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self.__scale=1 |
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if name==None: |
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self.__name=self.__class__.__name__ |
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else: |
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self.__name=name |
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self.__description=description |
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|
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def __str__(self): |
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""" |
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returns the name of the benchmark suite |
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|
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@return: name |
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@rtype: C{str} |
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""" |
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return self.__name |
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|
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def addProblem(self,problem): |
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""" |
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adds a problem to the benchmark |
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|
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@param problem: adds a new problem to the bechmark |
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@type problem: L{BenchmarkProblem} |
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""" |
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self.__problems.append(problem) |
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|
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def addOptions(self,Options): |
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""" |
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adds a options to the benchmark |
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|
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@param options: adds a new option to the bechmark |
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@type problem: L{Options} |
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""" |
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self.__options.append(Options) |
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|
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def run(self,scale=1): |
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""" |
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runs all problems with all options. |
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|
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|
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@param scale: defines the number of (OpenMP) threads to be used. If scale is a scalar all benchmarks |
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are run with scale number of threads. If scale is a C{list}, the p-th problem in each of the benchmarks |
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in the suite is run with scale[p] threads. In the case, len(scale) has to be less or equal to the |
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largest benchmark in the suite. |
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@type scale: C{int} or C{list} of C{int}s. |
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""" |
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if isinstance(scale,list): |
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if len(scale)<len(self.__problems): |
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raise ValueError,"scale list is too small. must be greater or equal to the number of problems in the benchmark" |
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self.__scale=scale |
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self.__results=[] |
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c=0 |
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for r in self.__problems: |
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if isinstance(scale,list): |
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s=scale[c] |
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else: |
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s=scale |
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row=[] |
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for p in self.__options: |
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os.putenv("OMP_NUM_TREADS",str(s)) |
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row.append(r.run(p)) |
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self.__results.append(row) |
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c+=1 |
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def getHTML(self,level=1): |
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""" |
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returns the results of the last benchmark run in HTML format. |
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|
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@param level: level used in header <H?> tags |
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@type level: C{int} |
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@return: HTML document |
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@rtype: C{str} |
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""" |
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out="" |
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if level==1: out+="<HTML><HEAD><TITLE>Benchmark: %s</TITLE></HEAD><BODY>\n"%str(self) |
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out+="<H%s>%s</H%s>\n"%(level,str(self),level) |
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if level==1: |
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m="" |
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if isinstance(self.__scale,int): |
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if self.__scale>1: |
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m=" (%s threads)"%self.__scale |
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out+="<p>platform: %s%s</p>\n"%(socket.gethostname(),m) |
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if self.__description: out+="<p>%s</p>\n"%str(self.__description) |
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if len(self.__problems)>0: |
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out+="<TABLE ALIGN=\"center\" BORDER=3 CELLPADDING=5 CELLSPACING=1>\n" |
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h1_seg="" |
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rn=self.__problems[0].getResultNames() |
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if len(rn)==0: |
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h1_seg+="<TD></TD>" |
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else: |
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for n in rn: h1_seg+="<TD ALIGN=\"center\">%s</TD>"%n |
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h0="<TR><TH ALIGN=\"center\" ROWSPAN=2>Case</TH>" |
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h1="<TR>" |
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if isinstance(self.__scale,list): h0+="<TH ALIGN=\"center\" ROWSPAN=2>Threads</TH>" |
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for o in self.__options: |
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if len(rn)==0: |
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h0+="<TH ALIGN=\"center\">%s</TH>"%str(o) |
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elif len(rn)==1: |
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h0+="<TH ALIGN=\"center\">%s</TH>"%str(o) |
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empty_h1=False |
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else: |
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h0+="<TH ALIGN=\"center\" COLSPAN=%s>%s</TH>"%(len(rn),str(o)) |
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h1+=h1_seg |
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out+=h0+"</TR>\n"+h1+"</TR>\n" |
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c=0 |
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for r in range(len(self.__results)): |
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out+="<TR><TH ALIGN=\"right\">%s</TH>"%str(self.__problems[r]) |
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if isinstance(self.__scale,list): out+="<TD ALIGN=\"right\">%s</TD>"%self.__scale[c] |
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for col in self.__results[r]: |
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for e in col: out+="<TD ALIGN=\"right\">%s</TD>"%str(e) |
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out+="</TR>\n" |
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out+="</TABLE>" |
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c+=1 |
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if level==1: |
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out+="<hr><p align=\"center\">by %s at %s</p>\n"%(os.getlogin(),time.strftime('%X %x %Z')) |
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out+="</BODY></HTML>\n" |
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return out |
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|
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class BenchmarkProblem(object): |
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""" |
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something that can be run and returns a list of characteristics such as timing, Mflops, error, etc. |
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""" |
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def __init__(self,name=None): |
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""" |
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sets up a benchmark problem |
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|
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@param name: name of the problem. If no name is given the class name is used. |
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@type name: C{str} |
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""" |
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super(BenchmarkProblem,self).__init__() |
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if name==None: |
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self.__name=self.__class__.__name__ |
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else: |
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self.__name=name |
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|
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def getResultNames(self): |
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""" |
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return the names of the results produced when run() is called. |
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|
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@return: names the list of the names to be used when the results of the run() call are printed |
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@rtype: C{list} of C{str} |
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@remark: this function has to overwritten by a particular problem |
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""" |
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raise NotImplementedError |
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return [] |
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|
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def __str__(self): |
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""" |
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returns the name of the benchmark suite |
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|
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@return: name |
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@rtype: C{str} |
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""" |
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return self.__name |
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|
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def run(self,options=None): |
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""" |
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runs the problem and returns a list of run characteristics |
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|
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|
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@param options: the options that are used for the run. Note that the number of OpenMP threads is controlled |
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by the L{Benchmark} the problem is run in. |
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@type options: L{Options} |
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@return: list of run characteristics |
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@rtype: C{list} |
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@remark: this function has to overwritten by a particular problem |
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""" |
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raise NotImplementedError |
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return [] |
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|
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class Options(object): |
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""" |
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defines a set of options to be used to run a L{BenchmarkProblem} |
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""" |
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def __init__(self,name=None): |
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""" |
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sets up the options |
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|
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@param name: name of the option. If no name is given the class name is used. |
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@type name: C{str} |
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""" |
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super(Options,self).__init__() |
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if name==None: |
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self.__name=self.__class__.__name__ |
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else: |
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self.__name=name |
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def __str__(self): |
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""" |
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returns the name of the benchmark suite |
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|
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@return: name |
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@rtype: C{str} |
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""" |
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return self.__name |
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|
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if __name__=="__main__": |
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|
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class OptionsTest1(Options): |
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pass |
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class OptionsTest2(Options): |
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pass |
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|
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class BenchmarkProblemTest(BenchmarkProblem): |
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def __init__(self,name=None): |
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super(BenchmarkProblemTest,self).__init__(name) |
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def getResultNames(self): |
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return ["r0","r1"] |
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|
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class BenchmarkProblemTest1(BenchmarkProblemTest): |
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def __init__(self): |
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super(BenchmarkProblemTest1,self).__init__(name="TEST1") |
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def run(self,options=None): |
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import time |
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return time.time(),"A" |
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|
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class BenchmarkProblemTest2(BenchmarkProblemTest): |
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def __init__(self): |
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super(BenchmarkProblemTest2,self).__init__(name="TEST2") |
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def run(self,options=None): |
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import time |
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return -time.time(),"B" |
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|
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bm=Benchmark("Example") |
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bm.addProblem(BenchmarkProblemTest1()) |
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bm.addProblem(BenchmarkProblemTest2()) |
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bm.addOptions(OptionsTest1()) |
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bm.addOptions(OptionsTest2()) |
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|
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bms=BenchmarkSuite("A Test") |
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bms.addBenchmark(bm) |
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|
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bms.run() |
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print bms.getHTML() |
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|
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bms.run(scale=4) |
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print bms.getHTML() |
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|
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bms.run(scale=[1,2]) |
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print bms.getHTML() |
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