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Changed by [EMAIL PROTECTED] http://bugzilla.ximian.com/show_bug.cgi?id=78642 --- shadow/78642 2006-06-15 13:59:03.000000000 -0400 +++ shadow/78642.tmp.29494 2006-06-16 06:54:50.000000000 -0400 @@ -218,6 +218,124 @@ ------- Additional Comments From [EMAIL PROTECTED] 2006-06-15 13:59 ------- Hmm, it seems those opts were disabled in 1.1.15 too... They are definitely there in HEAD, and hopefully the next release. + +------- Additional Comments From [EMAIL PROTECTED] 2006-06-16 06:54 ------- +More correct comparisons +(tests were performed on the same machine): +Celeron CPU 1.70GHz, 512 MB of RAM + +Microsoft Windows XP Professional Version 2002 Service Pack 2 +-------------------------------------------------------------- +D:\tmp>"c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\csc.exe" +PerformanceTest.cs +Microsoft (R) Visual C# 2005 Compiler version 8.00.50727.42 +for Microsoft (R) Windows (R) 2005 Framework version 2.0.50727 +Copyright (C) Microsoft Corporation 2001-2005. All rights reserved. + + +D:\tmp>PerformanceTest.exe +Elapsed time =0.4306192 + +D:\tmp>PerformanceTest.exe +Elapsed time =0.3705328 + +D:\tmp>PerformanceTest.exe +Elapsed time =0.3805472 + +D:\tmp>PerformanceTest.exe +Elapsed time =0.3705328 + +D:\tmp>PerformanceTest.exe +Elapsed time =0.3705328 + +Linux zag 2.4.20-8 #1 Thu Mar 13 17:54:28 EST 2003 i686 i686 i386 +------------------------------------------------------------------- +Mono JIT compiler version 1.1.13.8, (C) 2002-2005 Novell, Inc and +Contributors. www.mono-project.com + TLS: __thread + GC: Included Boehm (with typed GC) + SIGSEGV : normal [EMAIL PROTECTED] Serdyuk]$ mcs PerformanceTest.cs +PerformanceTest.cs(8,17): warning CS0168: The variable `k' is declared +but never used +Compilation succeeded - 1 warning(s) [EMAIL PROTECTED] Serdyuk]$ mono PerformanceTest.exe +Elapsed time =7.819415 [EMAIL PROTECTED] Serdyuk]$ mono PerformanceTest.exe +Elapsed time =7.817314 + +Then, more reasonable example +(and more important for me). +Test application (PerformanceTest2.cs): + +using System; +public class PerformanceTest2 { + public static void Main ( String[] args ) { + int N = 7000; + + byte[] array; + byte[,] result; + + int i, j; + + DateTime dtime1, dtime2; + //*******************************************// + + array = new byte [ N ]; + result = new byte [ N, N ]; + + for ( i = 0; i < array.Length; i++) + array [ i ] = 170; + + dtime1 = DateTime.Now; + + for ( i = 0; i < array.Length; i++ ) + for ( j = 0; j < array.Length; j++ ) + result [ i, j ] = (byte) ( array [ i / 8 ] & (byte) 1 << ( 7 - j % +8 ) ); + + dtime2 = DateTime.Now; + Console.WriteLine ( "Elapsed time =" + dtime2.Subtract ( dtime1 +).TotalSeconds ); + + } + +} + +Microsoft Windows XP Professional Version 2002 Service Pack 2 +-------------------------------------------------------------- +D:\tmp>"c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\csc.exe" +PerformanceTest2.cs +Microsoft (R) Visual C# 2005 Compiler version 8.00.50727.42 +for Microsoft (R) Windows (R) 2005 Framework version 2.0.50727 +Copyright (C) Microsoft Corporation 2001-2005. All rights reserved. + +D:\tmp>PerformanceTest2.exe +Elapsed time =1.3920016 + +D:\tmp>PerformanceTest2.exe +Elapsed time =1.1816992 + +D:\tmp>PerformanceTest2.exe +Elapsed time =1.1816992 + +D:\tmp>PerformanceTest2.exe +Elapsed time =1.1716848 + +D:\tmp>PerformanceTest2.exe +Elapsed time =1.1716848 + +Linux zag 2.4.20-8 #1 Thu Mar 13 17:54:28 EST 2003 i686 i686 i386 +------------------------------------------------------------------- [EMAIL PROTECTED] Serdyuk]$ mono PerformanceTest2.exe +Elapsed time =3.154643 [EMAIL PROTECTED] Serdyuk]$ mono PerformanceTest2.exe +Elapsed time =3.153726 [EMAIL PROTECTED] Serdyuk]$ mono PerformanceTest2.exe +Elapsed time =3.157437 + +That is, MS .NET outperforms Mono in more than 2,5 times +on this example. _______________________________________________ mono-bugs maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-bugs
