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Re^3: negative elapsed time? (versions?)

by BrowserUk (Patriarch)
on Aug 08, 2011 at 15:35 UTC ( [id://919262]=note: print w/replies, xml ) Need Help??


in reply to Re^2: negative elapsed time? (versions?)
in thread negative elapsed time?

Hm. I don't see any problems using 5.14 either:

C:\perl5.14-64\bin>.\perl.exe \test\junk14.pl Starting loop End of loop

What versions of Time::HiRes and Windows are you using?


Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

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Re^4: negative elapsed time? (versions?)
by saneel (Initiate) on Aug 08, 2011 at 15:38 UTC
    I using Windows 7. My library version is 1.9721

      Please cut&paste the output from this modified version of your script

      #!/usr/bin/perl -w use strict; use Win32; use Time::HiRes; print $], "\n", $Time::HiRes::VERSION, "\n", Win32::GetOSName(); print "\nStarting loop\n"; for ( 1..1e6 ) { my $t3 = Time::HiRes::time(); my $t4 = Time::HiRes::time(); my $t5 = $t4 - $t3; if( $t5 <= 0 ) { print "\n Value negative in count: $_"; print "\n t3: "; printf "%.6f",$t3; print "\n t4: "; printf "%.6f\n",$t4; print "\n Negative or zero value: $t5"; } } print "\nEnd of loop\n";

      Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
      "Science is about questioning the status quo. Questioning authority".
      In the absence of evidence, opinion is indistinguishable from prejudice.

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