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- FileWrite FilePut Benchmark
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FileWrite FilePut Benchmark
Keywords: FileOpen FileWrite FilePut Optimize Benchmark BinaryWrite
Question:
Which is faster FileOpen / FileWrite versus FilePut?Answer:
Generally your best bet is to open the file once usig FileOpen, loop using FileWrite in Append mode and call FileClose once at the end of the process.GoSub Tests loopcnt = 100 testfile = DirScript():'testlog.txt' ret1 = udfTest1(loopcnt,testfile) ret2 = udfTest2(loopcnt,testfile) ret3 = udfTest3(loopcnt,testfile) ret4 = udfTest4(loopcnt,testfile) Message("Results", 'Test1 - Optimized = ': ret1 : @CR :'Test2 - Open and close =': ret2 : @CR :'Test3 - FilePut = ': ret3 : @CR :'Test4 - Binary = ': ret4 ) Exit :TESTS #DefineFunction udfTest1(loopcnt, testfile) ; Optimized start = GetTickCount() ;Add code here h = FileOpen(testfile, "append") For x = 1 To loopcnt FileWrite(h, "text for log") Next FileClose(h) FileDelete( testfile ) endp = GetTickCount() elapsed = (endp - start) Return elapsed #EndFunction #DefineFunction udfTest2(loopcnt, testfile); Open and close start = GetTickCount() ;Add code here For x = 1 To loopcnt h = FileOpen(testfile, "append") FileWrite(h, "text for log") FileClose(h) Next FileDelete( testfile ) endp = GetTickCount() elapsed = (endp - start) Return elapsed #EndFunction #DefineFunction udfTest3(loopcnt, testfile) ; FilePut start = GetTickCount() ;Add code here data = "text for log" For x = 1 To loopcnt FilePut( testfile, data ) data = data:@CRLF:"text for log" Next FileDelete( testfile ) endp = GetTickCount() elapsed = (endp - start) Return elapsed #EndFunction #DefineFunction udfTest4(loopcnt, testfile) ; Binary start = GetTickCount() ;Add code here data = "text for log" handle = BinaryAlloc((StrLen(data)+2)*100+100) offset = 0 For x = 1 To loopcnt FilePut( testfile, data ) BinaryPokeStr( handle, offset, "text for log":@CRLF ) offset = offset +(StrLen(data)+2) Next BinaryWrite( handle, testfile ) BinaryFree( handle ) FileDelete( testfile ) endp = GetTickCount() elapsed = (endp - start) Return elapsed #EndFunction Return
Article ID: W17896
Filename: FileWrite FilePut Benchmark.txt
File Created: 2014:04:22:10:43:20
Last Updated: 2014:04:22:10:43:20