Perl slowness

[Noam Rathaus]

I know the time difference doesn't look too bad, but take a bigger code set:

Fast:
real    0m1.682s
user    0m1.584s
sys    0m0.064s

Slow:
real    0m16.730s
user    0m9.345s
sys    0m0.096s


On Tue, Sep 8, 2009 at 5:15 PM, Noam Rathaus <noamr at beyondsecurity.com>wrote:

> Fast:
>
> time perl t.pl
> Done
> real    0m0.431s
> user    0m0.416s
> sys    0m0.016s
>
> Slow
>
> time /tmp/t.pl
> Done
> real    0m1.742s
> user    0m0.864s
> sys    0m0.008s
>
>
>
> On Tue, Sep 8, 2009 at 5:04 PM, Shachar Shemesh <shachar at shemesh.biz>wrote:
>
>>  Noam Rathaus wrote:
>>
>> Hi Noam,
>>
>> 1) Both machines have 2GB of memory and are using 200Mb of it..
>>
>> I think the problem is not memory
>>
>> So it's probably not IO either.
>>
>>
>> 2) no weird errors, of any kind in the dmesg or /var/log
>>
>> The newer machine is very new :) I wrote 1 year, it is actually 3 months,
>> I don't think its a hardware malfunction, but I could be wrong
>>
>>  Can you run "time" on the processes on both machines, see how much CPU
>> time they take?
>>
>> Shachar
>>
>> --
>> Shachar Shemesh
>> Lingnu Open Source Consulting Ltd.http://www.lingnu.com
>>
>>
>
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