Re^4: promoting array to a hash

Adding this sub:

sub uniq_Roy { my %x; grep {!$x{$_}++} @_ }
[download]

I got these results

                     Rate  uniq_Zaxo uniq_dragonchild uniq_BrowserUk  
+  uniq_Roy
uniq_Zaxo        167192/s         --             -19%           -27%  
+      -47%
uniq_dragonchild 205487/s        23%               --           -11%  
+      -35%
uniq_BrowserUk   230383/s        38%              12%             --  
+      -27%
uniq_Roy         317586/s        90%              55%            38%  
+        --
[download]

We're not really tightening our belts, it just feels that way because we're getting fatter.

Comment on Re^4: promoting array to a hash Select or Download Code

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Re^5: promoting array to a hash by dragonchild (Archbishop) on Jun 14, 2004 at 01:35 UTC
Excellent! Yours is faster and will DWIM with references. Good deal! :-) ------ We are the carpenters and bricklayers of the Information Age. Then there are Damian modules.... sigh* ... that's not about being less-lazy -- that's about being on some really good drugs -- you know, there is no spoon.* - flyingmoose I shouldn't have to say this, but any code, unless otherwise stated, is untested	[reply]
Re^5: promoting array to a hash by BrowserUk (Patriarch) on Jun 14, 2004 at 12:02 UTC
Unfortunately, the benchmark you started with wasn't good. See Re^4: promoting array to a hash. Examine what is said, not who speaks. "Efficiency is intelligent laziness." -David Dunham "Think for yourself!" - Abigail	[reply]