Hello, Victor! You wrote to <boost-users@lists.boost.org> on Sat, 10 Apr 2004 01:16:30 -0700: VAW> re: (because of msvcp60.dll) VAW> that may sum up the entire problem.... VC++6.0 is VAW> broken...period...simple statement of fact VAW> it was replaced 2 years ago by .net then again by .net2003 VAW> you may wish to test with a current version The same behaviour with VC .NET 2003: [d:/temp/temp/temp]$ make all cl /O2 /GX temp.cpp /Fetemp-vc71.exe Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 13.10.3077 for 80x86 [...] /out:temp-vc71.exe [d:/temp/temp/temp]$ ./temp-vc71.exe Time = 240 ms Rate = 333333 Hz Time = 21212 ms Rate = 3771 Hz Time = 641 ms Rate = 124804 Hz Time = 18768 ms Rate = 4262 Hz Time = 150 ms Rate = 533333 Hz -- With best regards, Victor Snezhko. E-mail: snezhko@indorsoft.ru