Under linux 2.4.xx, perl 5.8.0, there seems to be no clustering of times: 
1002% perl -MTime::HiRes=gettimeofday -le"print scalar gettimeofday() 
+for 1..10;"
1090268974.51822
1090268974.5186
1090268974.51873
1090268974.51886
1090268974.51899
1090268974.51911
1090268974.51924
1090268974.51936
1090268974.51949
1090268974.51961
1003% perl -de1

Loading DB routines from perl5db.pl version 1.19
Editor support available.

Enter h or `h h' for help, or `man perldebug' for more help.

main::(-e:1):   1
  DB<1>  use Time::HiRes qw[gettimeofday];

  DB<2> print scalar gettimeofday(), $/ for 1 .. 10;
1090269029.69885
1090269029.69905
1090269029.69912
1090269029.6992
1090269029.6993
1090269029.69937
1090269029.69944
1090269029.69951
1090269029.69959
1090269029.69966

[download]
Perhaps the problem can be narrowed to an interaction with the perl debugger and a Windows OS.

-Mark

In reply to Re: Perl -de1 weirdness. by kvale
in thread Perl -de1 weirdness. by BrowserUk

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