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

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