Beefy Boxes and Bandwidth Generously Provided by pair Networks
Think about Loose Coupling
 
PerlMonks  

Comment on

( #3333=superdoc: print w/replies, xml ) Need Help??
The constructs for (;;), while (1), and until (0) all generate exactly the same opcodes. If one is consistently faster than the other, that might perhaps tell you more about your benchmarking procedure than about the code you're trying to benchmark. :-) I tried running your code with the time limit increased from 5 CPU seconds to 60 CPU seconds, and got:
Rate {; redo;} while (1) for (;;) {; redo;} 17.7/s -- -4% -5% while (1) 18.5/s 4% -- -0% for (;;) 18.5/s 5% 0% --
suggesting that while and for are the same speed after all, which is something of a relief.

In reply to Re: Re: do/redo or for(;;): what's Kosher? by robin
in thread do/redo or for(;;): what's Kosher? by rje

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.
  • Log In?
    Username:
    Password:

    What's my password?
    Create A New User
    Chatterbox?
    [Your Mother]: Regarding last unicorns… http://i.imgur. com/T3L9e.jpg
    [marto]: also unicorn power
    LanX still prefers Jesus vs Krishna
    [LanX]: found it :)
    LanX apologizing , please s/Krishna/Ganesha/
    zentara ...oO speaking of unicorns and Krishna :-)
    [zentara]: Jesus would never bite Ganeesh ! Jesus didn't fight or eat meat
    [choroba]: Didn't fight?

    How do I use this? | Other CB clients
    Other Users?
    Others scrutinizing the Monastery: (15)
    As of 2017-03-30 16:30 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?
      Should Pluto Get Its Planethood Back?



      Results (361 votes). Check out past polls.