| #!/usr/bin/env python |
| |
| from __future__ import print_function |
| |
| import sys |
| import random |
| |
| class TimingScriptGenerator: |
| """Used to generate a bash script which will invoke the toy and time it""" |
| def __init__(self, scriptname, outputname): |
| self.timeFile = outputname |
| self.shfile = open(scriptname, 'w') |
| self.shfile.write("echo \"\" > %s\n" % self.timeFile) |
| |
| def writeTimingCall(self, filename, numFuncs, funcsCalled, totalCalls): |
| """Echo some comments and invoke both versions of toy""" |
| rootname = filename |
| if '.' in filename: |
| rootname = filename[:filename.rfind('.')] |
| self.shfile.write("echo \"%s: Calls %d of %d functions, %d total\" >> %s\n" % (filename, funcsCalled, numFuncs, totalCalls, self.timeFile)) |
| self.shfile.write("echo \"\" >> %s\n" % self.timeFile) |
| self.shfile.write("echo \"With MCJIT\" >> %s\n" % self.timeFile) |
| self.shfile.write("/usr/bin/time -f \"Command %C\\n\\tuser time: %U s\\n\\tsytem time: %S s\\n\\tmax set: %M kb\"") |
| self.shfile.write(" -o %s -a " % self.timeFile) |
| self.shfile.write("./toy-mcjit < %s > %s-mcjit.out 2> %s-mcjit.err\n" % (filename, rootname, rootname)) |
| self.shfile.write("echo \"\" >> %s\n" % self.timeFile) |
| self.shfile.write("echo \"With JIT\" >> %s\n" % self.timeFile) |
| self.shfile.write("/usr/bin/time -f \"Command %C\\n\\tuser time: %U s\\n\\tsytem time: %S s\\n\\tmax set: %M kb\"") |
| self.shfile.write(" -o %s -a " % self.timeFile) |
| self.shfile.write("./toy-jit < %s > %s-jit.out 2> %s-jit.err\n" % (filename, rootname, rootname)) |
| self.shfile.write("echo \"\" >> %s\n" % self.timeFile) |
| self.shfile.write("echo \"\" >> %s\n" % self.timeFile) |
| |
| class KScriptGenerator: |
| """Used to generate random Kaleidoscope code""" |
| def __init__(self, filename): |
| self.kfile = open(filename, 'w') |
| self.nextFuncNum = 1 |
| self.lastFuncNum = None |
| self.callWeighting = 0.1 |
| # A mapping of calls within functions with no duplicates |
| self.calledFunctionTable = {} |
| # A list of function calls which will actually be executed |
| self.calledFunctions = [] |
| # A comprehensive mapping of calls within functions |
| # used for computing the total number of calls |
| self.comprehensiveCalledFunctionTable = {} |
| self.totalCallsExecuted = 0 |
| |
| def updateTotalCallCount(self, callee): |
| # Count this call |
| self.totalCallsExecuted += 1 |
| # Then count all the functions it calls |
| if callee in self.comprehensiveCalledFunctionTable: |
| for child in self.comprehensiveCalledFunctionTable[callee]: |
| self.updateTotalCallCount(child) |
| |
| def updateFunctionCallMap(self, caller, callee): |
| """Maintains a map of functions that are called from other functions""" |
| if not caller in self.calledFunctionTable: |
| self.calledFunctionTable[caller] = [] |
| if not callee in self.calledFunctionTable[caller]: |
| self.calledFunctionTable[caller].append(callee) |
| if not caller in self.comprehensiveCalledFunctionTable: |
| self.comprehensiveCalledFunctionTable[caller] = [] |
| self.comprehensiveCalledFunctionTable[caller].append(callee) |
| |
| def updateCalledFunctionList(self, callee): |
| """Maintains a list of functions that will actually be called""" |
| # Update the total call count |
| self.updateTotalCallCount(callee) |
| # If this function is already in the list, don't do anything else |
| if callee in self.calledFunctions: |
| return |
| # Add this function to the list of those that will be called. |
| self.calledFunctions.append(callee) |
| # If this function calls other functions, add them too |
| if callee in self.calledFunctionTable: |
| for subCallee in self.calledFunctionTable[callee]: |
| self.updateCalledFunctionList(subCallee) |
| |
| def setCallWeighting(self, weight): |
| """ Sets the probably of generating a function call""" |
| self.callWeighting = weight |
| |
| def writeln(self, line): |
| self.kfile.write(line + '\n') |
| |
| def writeComment(self, comment): |
| self.writeln('# ' + comment) |
| |
| def writeEmptyLine(self): |
| self.writeln("") |
| |
| def writePredefinedFunctions(self): |
| self.writeComment("Define ':' for sequencing: as a low-precedence operator that ignores operands") |
| self.writeComment("and just returns the RHS.") |
| self.writeln("def binary : 1 (x y) y;") |
| self.writeEmptyLine() |
| self.writeComment("Helper functions defined within toy") |
| self.writeln("extern putchard(x);") |
| self.writeln("extern printd(d);") |
| self.writeln("extern printlf();") |
| self.writeEmptyLine() |
| self.writeComment("Print the result of a function call") |
| self.writeln("def printresult(N Result)") |
| self.writeln(" # 'result('") |
| self.writeln(" putchard(114) : putchard(101) : putchard(115) : putchard(117) : putchard(108) : putchard(116) : putchard(40) :") |
| self.writeln(" printd(N) :"); |
| self.writeln(" # ') = '") |
| self.writeln(" putchard(41) : putchard(32) : putchard(61) : putchard(32) :") |
| self.writeln(" printd(Result) :"); |
| self.writeln(" printlf();") |
| self.writeEmptyLine() |
| |
| def writeRandomOperation(self, LValue, LHS, RHS): |
| shouldCallFunc = (self.lastFuncNum > 2 and random.random() < self.callWeighting) |
| if shouldCallFunc: |
| funcToCall = random.randrange(1, self.lastFuncNum - 1) |
| self.updateFunctionCallMap(self.lastFuncNum, funcToCall) |
| self.writeln(" %s = func%d(%s, %s) :" % (LValue, funcToCall, LHS, RHS)) |
| else: |
| possibleOperations = ["+", "-", "*", "/"] |
| operation = random.choice(possibleOperations) |
| if operation == "-": |
| # Don't let our intermediate value become zero |
| # This is complicated by the fact that '<' is our only comparison operator |
| self.writeln(" if %s < %s then" % (LHS, RHS)) |
| self.writeln(" %s = %s %s %s" % (LValue, LHS, operation, RHS)) |
| self.writeln(" else if %s < %s then" % (RHS, LHS)) |
| self.writeln(" %s = %s %s %s" % (LValue, LHS, operation, RHS)) |
| self.writeln(" else") |
| self.writeln(" %s = %s %s %f :" % (LValue, LHS, operation, random.uniform(1, 100))) |
| else: |
| self.writeln(" %s = %s %s %s :" % (LValue, LHS, operation, RHS)) |
| |
| def getNextFuncNum(self): |
| result = self.nextFuncNum |
| self.nextFuncNum += 1 |
| self.lastFuncNum = result |
| return result |
| |
| def writeFunction(self, elements): |
| funcNum = self.getNextFuncNum() |
| self.writeComment("Auto-generated function number %d" % funcNum) |
| self.writeln("def func%d(X Y)" % funcNum) |
| self.writeln(" var temp1 = X,") |
| self.writeln(" temp2 = Y,") |
| self.writeln(" temp3 in") |
| # Initialize the variable names to be rotated |
| first = "temp3" |
| second = "temp1" |
| third = "temp2" |
| # Write some random operations |
| for i in range(elements): |
| self.writeRandomOperation(first, second, third) |
| # Rotate the variables |
| temp = first |
| first = second |
| second = third |
| third = temp |
| self.writeln(" " + third + ";") |
| self.writeEmptyLine() |
| |
| def writeFunctionCall(self): |
| self.writeComment("Call the last function") |
| arg1 = random.uniform(1, 100) |
| arg2 = random.uniform(1, 100) |
| self.writeln("printresult(%d, func%d(%f, %f) )" % (self.lastFuncNum, self.lastFuncNum, arg1, arg2)) |
| self.writeEmptyLine() |
| self.updateCalledFunctionList(self.lastFuncNum) |
| |
| def writeFinalFunctionCounts(self): |
| self.writeComment("Called %d of %d functions" % (len(self.calledFunctions), self.lastFuncNum)) |
| |
| def generateKScript(filename, numFuncs, elementsPerFunc, funcsBetweenExec, callWeighting, timingScript): |
| """ Generate a random Kaleidoscope script based on the given parameters """ |
| print("Generating " + filename) |
| print(" %d functions, %d elements per function, %d functions between execution" % |
| (numFuncs, elementsPerFunc, funcsBetweenExec)) |
| print(" Call weighting = %f" % callWeighting) |
| script = KScriptGenerator(filename) |
| script.setCallWeighting(callWeighting) |
| script.writeComment("===========================================================================") |
| script.writeComment("Auto-generated script") |
| script.writeComment(" %d functions, %d elements per function, %d functions between execution" |
| % (numFuncs, elementsPerFunc, funcsBetweenExec)) |
| script.writeComment(" call weighting = %f" % callWeighting) |
| script.writeComment("===========================================================================") |
| script.writeEmptyLine() |
| script.writePredefinedFunctions() |
| funcsSinceLastExec = 0 |
| for i in range(numFuncs): |
| script.writeFunction(elementsPerFunc) |
| funcsSinceLastExec += 1 |
| if funcsSinceLastExec == funcsBetweenExec: |
| script.writeFunctionCall() |
| funcsSinceLastExec = 0 |
| # Always end with a function call |
| if funcsSinceLastExec > 0: |
| script.writeFunctionCall() |
| script.writeEmptyLine() |
| script.writeFinalFunctionCounts() |
| funcsCalled = len(script.calledFunctions) |
| print(" Called %d of %d functions, %d total" % (funcsCalled, numFuncs, script.totalCallsExecuted)) |
| timingScript.writeTimingCall(filename, numFuncs, funcsCalled, script.totalCallsExecuted) |
| |
| # Execution begins here |
| random.seed() |
| |
| timingScript = TimingScriptGenerator("time-toy.sh", "timing-data.txt") |
| |
| dataSets = [(5000, 3, 50, 0.50), (5000, 10, 100, 0.10), (5000, 10, 5, 0.10), (5000, 10, 1, 0.0), |
| (1000, 3, 10, 0.50), (1000, 10, 100, 0.10), (1000, 10, 5, 0.10), (1000, 10, 1, 0.0), |
| ( 200, 3, 2, 0.50), ( 200, 10, 40, 0.10), ( 200, 10, 2, 0.10), ( 200, 10, 1, 0.0)] |
| |
| # Generate the code |
| for (numFuncs, elementsPerFunc, funcsBetweenExec, callWeighting) in dataSets: |
| filename = "test-%d-%d-%d-%d.k" % (numFuncs, elementsPerFunc, funcsBetweenExec, int(callWeighting * 100)) |
| generateKScript(filename, numFuncs, elementsPerFunc, funcsBetweenExec, callWeighting, timingScript) |
| print("All done!") |
