1#!/usr/bin/env python 2 3from __future__ import print_function 4 5import sys 6import random 7 8class 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 34class 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 176def 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 209random.seed() 210 211timingScript = TimingScriptGenerator("time-toy.sh", "timing-data.txt") 212 213dataSets = [(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 218for (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) 221print("All done!") 222