examples/Kaleidoscope/MCJIT/complete/genk-timing.py

   1 #!/usr/bin/env python
   2
   3 import sys
   4 import random
   5
   6 class TimingScriptGenerator:
   7     """Used to generate a bash script which will invoke the toy and time it"""
   8     def __init__(self, scriptname, outputname):
   9         self.timeFile = outputname
  10         self.shfile = open(scriptname, 'w')
  11         self.shfile.write("echo \"\" > %s\n" % self.timeFile)
  12
  13     def writeTimingCall(self, filename, numFuncs, funcsCalled, totalCalls):
  14         """Echo some comments and invoke both versions of toy"""
  15         rootname = filename
  16         if '.' in filename:
  17             rootname = filename[:filename.rfind('.')]
  18         self.shfile.write("echo \"%s: Calls %d of %d functions, %d total\" >> %s\n" % (filename, funcsCalled, numFuncs, totalCalls, self.timeFile))
  19         self.shfile.write("echo \"\" >> %s\n" % self.timeFile)
  20         self.shfile.write("echo \"With MCJIT (original)\" >> %s\n" % self.timeFile)
  21         self.shfile.write("/usr/bin/time -f \"Command %C\\n\\tuser time: %U s\\n\\tsytem time: %S s\\n\\tmax set: %M kb\"")
  22         self.shfile.write(" -o %s -a " % self.timeFile)
  23         self.shfile.write("./toy -suppress-prompts -use-mcjit=true -enable-lazy-compilation=false < %s > %s-mcjit.out 2> %s-mcjit.err\n" % (filename, rootname, rootname))
  24         self.shfile.write("echo \"\" >> %s\n" % self.timeFile)
  25         self.shfile.write("echo \"With MCJIT (lazy)\" >> %s\n" % self.timeFile)
  26         self.shfile.write("/usr/bin/time -f \"Command %C\\n\\tuser time: %U s\\n\\tsytem time: %S s\\n\\tmax set: %M kb\"")
  27         self.shfile.write(" -o %s -a " % self.timeFile)
  28         self.shfile.write("./toy -suppress-prompts -use-mcjit=true -enable-lazy-compilation=true < %s > %s-mcjit-lazy.out 2> %s-mcjit-lazy.err\n" % (filename, rootname, rootname))
  29         self.shfile.write("echo \"\" >> %s\n" % self.timeFile)
  30         self.shfile.write("echo \"With JIT\" >> %s\n" % self.timeFile)
  31         self.shfile.write("/usr/bin/time -f \"Command %C\\n\\tuser time: %U s\\n\\tsytem time: %S s\\n\\tmax set: %M kb\"")
  32         self.shfile.write(" -o %s -a " % self.timeFile)
  33         self.shfile.write("./toy -suppress-prompts -use-mcjit=false < %s > %s-jit.out 2> %s-jit.err\n" % (filename, rootname, rootname))
  34         self.shfile.write("echo \"\" >> %s\n" % self.timeFile)
  35         self.shfile.write("echo \"\" >> %s\n" % self.timeFile)
  36
  37 class KScriptGenerator:
  38     """Used to generate random Kaleidoscope code"""
  39     def __init__(self, filename):
  40         self.kfile = open(filename, 'w')
  41         self.nextFuncNum = 1
  42         self.lastFuncNum = None
  43         self.callWeighting = 0.1
  44         # A mapping of calls within functions with no duplicates
  45         self.calledFunctionTable = {}
  46         # A list of function calls which will actually be executed
  47         self.calledFunctions = []
  48         # A comprehensive mapping of calls within functions
  49         # used for computing the total number of calls
  50         self.comprehensiveCalledFunctionTable = {}
  51         self.totalCallsExecuted = 0
  52
  53     def updateTotalCallCount(self, callee):
  54         # Count this call
  55         self.totalCallsExecuted += 1
  56         # Then count all the functions it calls
  57         if callee in self.comprehensiveCalledFunctionTable:
  58             for child in self.comprehensiveCalledFunctionTable[callee]:
  59                 self.updateTotalCallCount(child)
  60
  61     def updateFunctionCallMap(self, caller, callee):
  62         """Maintains a map of functions that are called from other functions"""
  63         if not caller in self.calledFunctionTable:
  64             self.calledFunctionTable[caller] = []
  65         if not callee in self.calledFunctionTable[caller]:
  66             self.calledFunctionTable[caller].append(callee)
  67         if not caller in self.comprehensiveCalledFunctionTable:
  68             self.comprehensiveCalledFunctionTable[caller] = []
  69         self.comprehensiveCalledFunctionTable[caller].append(callee)
  70
  71     def updateCalledFunctionList(self, callee):
  72         """Maintains a list of functions that will actually be called"""
  73         # Update the total call count
  74         self.updateTotalCallCount(callee)
  75         # If this function is already in the list, don't do anything else
  76         if callee in self.calledFunctions:
  77             return
  78         # Add this function to the list of those that will be called.
  79         self.calledFunctions.append(callee)
  80         # If this function calls other functions, add them too
  81         if callee in self.calledFunctionTable:
  82             for subCallee in self.calledFunctionTable[callee]:
  83                 self.updateCalledFunctionList(subCallee)
  84
  85     def setCallWeighting(self, weight):
  86         """ Sets the probably of generating a function call"""
  87         self.callWeighting = weight
  88
  89     def writeln(self, line):
  90         self.kfile.write(line + '\n')
  91
  92     def writeComment(self, comment):
  93         self.writeln('# ' + comment)
  94
  95     def writeEmptyLine(self):
  96         self.writeln("")
  97
  98     def writePredefinedFunctions(self):
  99         self.writeComment("Define ':' for sequencing: as a low-precedence operator that ignores operands")
 100         self.writeComment("and just returns the RHS.")
 101         self.writeln("def binary : 1 (x y) y;")
 102         self.writeEmptyLine()
 103         self.writeComment("Helper functions defined within toy")
 104         self.writeln("extern putchard(x);")
 105         self.writeln("extern printd(d);")
 106         self.writeln("extern printlf();")
 107         self.writeEmptyLine()
 108         self.writeComment("Print the result of a function call")
 109         self.writeln("def printresult(N Result)")
 110         self.writeln("  # 'result('")
 111         self.writeln("  putchard(114) : putchard(101) : putchard(115) : putchard(117) : putchard(108) : putchard(116) : putchard(40) :")
 112         self.writeln("  printd(N) :");
 113         self.writeln("  # ') = '")
 114         self.writeln("  putchard(41) : putchard(32) : putchard(61) : putchard(32) :")
 115         self.writeln("  printd(Result) :");
 116         self.writeln("  printlf();")
 117         self.writeEmptyLine()
 118
 119     def writeRandomOperation(self, LValue, LHS, RHS):
 120         shouldCallFunc = (self.lastFuncNum > 2 and random.random() < self.callWeighting)
 121         if shouldCallFunc:
 122             funcToCall = random.randrange(1, self.lastFuncNum - 1)
 123             self.updateFunctionCallMap(self.lastFuncNum, funcToCall)
 124             self.writeln("  %s = func%d(%s, %s) :" % (LValue, funcToCall, LHS, RHS))
 125         else:
 126             possibleOperations = ["+", "-", "*", "/"]
 127             operation = random.choice(possibleOperations)
 128             if operation == "-":
 129                 # Don't let our intermediate value become zero
 130                 # This is complicated by the fact that '<' is our only comparison operator
 131                 self.writeln("  if %s < %s then" % (LHS, RHS))
 132                 self.writeln("    %s = %s %s %s" % (LValue, LHS, operation, RHS))
 133                 self.writeln("  else if %s < %s then" % (RHS, LHS))
 134                 self.writeln("    %s = %s %s %s" % (LValue, LHS, operation, RHS))
 135                 self.writeln("  else")
 136                 self.writeln("    %s = %s %s %f :" % (LValue, LHS, operation, random.uniform(1, 100)))
 137             else:
 138                 self.writeln("  %s = %s %s %s :" % (LValue, LHS, operation, RHS))
 139
 140     def getNextFuncNum(self):
 141         result = self.nextFuncNum
 142         self.nextFuncNum += 1
 143         self.lastFuncNum = result
 144         return result
 145
 146     def writeFunction(self, elements):
 147         funcNum = self.getNextFuncNum()
 148         self.writeComment("Auto-generated function number %d" % funcNum)
 149         self.writeln("def func%d(X Y)" % funcNum)
 150         self.writeln("  var temp1 = X,")
 151         self.writeln("      temp2 = Y,")
 152         self.writeln("      temp3 in")
 153         # Initialize the variable names to be rotated
 154         first = "temp3"
 155         second = "temp1"
 156         third = "temp2"
 157         # Write some random operations
 158         for i in range(elements):
 159             self.writeRandomOperation(first, second, third)
 160             # Rotate the variables
 161             temp = first
 162             first = second
 163             second = third
 164             third = temp
 165         self.writeln("  " + third + ";")
 166         self.writeEmptyLine()
 167
 168     def writeFunctionCall(self):
 169         self.writeComment("Call the last function")
 170         arg1 = random.uniform(1, 100)
 171         arg2 = random.uniform(1, 100)
 172         self.writeln("printresult(%d, func%d(%f, %f) )" % (self.lastFuncNum, self.lastFuncNum, arg1, arg2))
 173         self.writeEmptyLine()
 174         self.updateCalledFunctionList(self.lastFuncNum)
 175
 176     def writeFinalFunctionCounts(self):
 177         self.writeComment("Called %d of %d functions" % (len(self.calledFunctions), self.lastFuncNum))
 178
 179 def generateKScript(filename, numFuncs, elementsPerFunc, funcsBetweenExec, callWeighting, timingScript):
 180     """ Generate a random Kaleidoscope script based on the given parameters """
 181     print "Generating " + filename
 182     print("  %d functions, %d elements per function, %d functions between execution" %
 183           (numFuncs, elementsPerFunc, funcsBetweenExec))
 184     print("  Call weighting = %f" % callWeighting)
 185     script = KScriptGenerator(filename)
 186     script.setCallWeighting(callWeighting)
 187     script.writeComment("===========================================================================")
 188     script.writeComment("Auto-generated script")
 189     script.writeComment("  %d functions, %d elements per function, %d functions between execution"
 190                          % (numFuncs, elementsPerFunc, funcsBetweenExec))
 191     script.writeComment("  call weighting = %f" % callWeighting)
 192     script.writeComment("===========================================================================")
 193     script.writeEmptyLine()
 194     script.writePredefinedFunctions()
 195     funcsSinceLastExec = 0
 196     for i in range(numFuncs):
 197         script.writeFunction(elementsPerFunc)
 198         funcsSinceLastExec += 1
 199         if funcsSinceLastExec == funcsBetweenExec:
 200             script.writeFunctionCall()
 201             funcsSinceLastExec = 0
 202     # Always end with a function call
 203     if funcsSinceLastExec > 0:
 204         script.writeFunctionCall()
 205     script.writeEmptyLine()
 206     script.writeFinalFunctionCounts()
 207     funcsCalled = len(script.calledFunctions)
 208     print "  Called %d of %d functions, %d total" % (funcsCalled, numFuncs, script.totalCallsExecuted)
 209     timingScript.writeTimingCall(filename, numFuncs, funcsCalled, script.totalCallsExecuted)
 210
 211 # Execution begins here
 212 random.seed()
 213
 214 timingScript = TimingScriptGenerator("time-toy.sh", "timing-data.txt")
 215
 216 dataSets = [(5000, 3,  50, 0.50), (5000, 10, 100, 0.10), (5000, 10, 5, 0.10), (5000, 10, 1, 0.0),
 217             (1000, 3,  10, 0.50), (1000, 10, 100, 0.10), (1000, 10, 5, 0.10), (1000, 10, 1, 0.0),
 218             ( 200, 3,   2, 0.50), ( 200, 10,  40, 0.10), ( 200, 10, 2, 0.10), ( 200, 10, 1, 0.0)]
 219
 220 # Generate the code
 221 for (numFuncs, elementsPerFunc, funcsBetweenExec, callWeighting) in dataSets:
 222     filename = "test-%d-%d-%d-%d.k" % (numFuncs, elementsPerFunc, funcsBetweenExec, int(callWeighting * 100))
 223     generateKScript(filename, numFuncs, elementsPerFunc, funcsBetweenExec, callWeighting, timingScript)
 224 print "All done!"