Well, taking nothing for granted (note, I did try larger arrays, fewer iterations, etc , and still got similar results):


use Benchmark;

my @arr=(0..10000);

open(FH1, '>file1') or die "file1: $!";
open(FH2, '>file2') or die "file2: $!";
open(FH3, '>file3') or die "file3: $!";

timethese(100, {
BIGJOIN=>\&bigjoin,
ITERATE=>\&iterate,
MAPIT=>\&mapit,
});

close FH1;
close FH2;
close FH3;

sub bigjoin {
 print FH1 join("\n", @arr, '');
}

sub iterate {
 print FH2 "$_\n" for @arr;
}

sub mapit {
 print FH3 map "$_\n" @arr;
}

>perl tst
Benchmark: timing 100 iterations of BIGJOIN, ITERATE, MAPIT...
   BIGJOIN:  3 wallclock secs ( 3.41 usr +  0.00 sys =  3.41 CPU) @ 29
+.33/s (n=100)
   ITERATE: 14 wallclock secs (13.57 usr +  0.00 sys = 13.57 CPU) @  7
+.37/s (n=100)
     MAPIT: 17 wallclock secs (16.86 usr +  0.00 sys = 16.86 CPU) @  5
+.93/s (n=100)

[download]

In reply to RE: RE: RE: Re: Wordlist maker by runrig
in thread Wordlist maker by Anonymous Monk

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, details, 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, summary, 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.