[sf-perl] Real perl

[Dodger]

package False::Laziness;
...

Sent from my iPhone

On 10/04/2012, at 3:29 PM, Dana Diederich <diederich at gmail.com> wrote:

> That's a bit of an absolute statement, Randal.  There are definitely highly relevant cases where it doesn't make sense to use Moose and friends.  If program load time or overall performance is a primary goal, 'old school' Perl might make more sense.  Granted it's often possible to re-frame the overall problem so those aspects aren't as important, but it often doesn't make sense to do that.
> 
> dana at hithlum:~/bench$ cat p1
> #!/usr/bin/perl
> 
> my $foo = {};
> bless $foo, 'Foo';
> 
> my $counter = 1;
> for(1..100000) {
>     $counter = $foo->adder($counter);
> }
> print "$counter\n";
> 
> package Foo;
> 
> sub
> adder {
>     return $_ + 1;
> }
> 
> dana at hithlum:~/bench$ time ./p1
> 100001
> 
> real    0m0.045s
> user    0m0.044s
> sys     0m0.000s
> dana at hithlum:~/bench$ cat p2
> #!/usr/bin/perl
> 
> use lib '.';
> use Foo;
> 
> my $foo = Foo->new;
> my $counter = 1;
> for(1..100000) {
>     $counter = $foo->adder($counter);
> }
> print "$counter\n";
> dana at hithlum:~/bench$ cat Foo.pm 
> use MooseX::Declare;
> 
> class Foo {
>     method adder (Num $ct) {
>         return $ct + 1;
>     }
> }
> dana at hithlum:~/bench$ time perl ./p2
> 100001
> 
> real    0m13.718s
> user    0m13.661s
> sys     0m0.044s
> dana at hithlum:~/bench$ 
> 
> I write code using Moose and the wide galaxy of exceptional modules it has spawned every day.  And I yearn for the day that I can use Perl6 in my production environment.  (It's getting close, last time I looked!)  But sometimes raw 'cpu' performance is important.
> 
> Most of the time, I start using the highest-level modules possible, and if there's a performance problem, I end up 'dumbing down' the hot-spots, using simpler Perl.  For me, this is rare.
> 
> Cheers,
> -Dana
> 
> On Tue, Apr 10, 2012 at 2:00 PM, Randal L. Schwartz <merlyn at stonehenge.com> wrote:
> >>>>> "Dodger" == Dodger  <el.dodgero at gmail.com> writes:
> 
> Dodger> So... How about some old school perl without mooses and meeses?
> Dodger> Anybody out there code in... You know... Perl?
> 
> Seriously, if you're launching green code and not using Moose, you have
> some weird nostalgia in you that prevents you from being a useful coder
> for me or my clients.
> 
> --
> Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
> <merlyn at stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
> Smalltalk/Perl/Unix consulting, Technical writing, Comedy, etc. etc.
> See http://methodsandmessages.posterous.com/ for Smalltalk discussion
> _______________________________________________
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> 
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