Hi Kent,

They are using the same verion of Net::SSLeay (version 1.72). All the
software have the same version. 

This is not random. This happens 100% of the times. 

All the settings related to this script are the same.

I don't think it's my network card, because i can reach the maximum
speed using a different application.


Regards,
David Santiago

On Thu, 2 Jun 2016 07:40:00 +1200
Kent Fredric <kentfred...@gmail.com> wrote:

> On 2 June 2016 at 06:25, David Emanuel da Costa Santiago
> <deman...@gmail.com> wrote:
> > The question for one million dollar is "Why?". And how can i improve
> > the performance of my desktop to reach the same speed as my laptop
> > (considering that i have better hardware on my desktop)? If i
> > recompile perl instead of using a binary package, will that make it
> > even?  
> 
> 
> Are they using the same SSL Implementation Version?
> 
> Is SSL Configured identically?
> 
> Is the recipient of the SSL connection the same recipient?
> 
> Have you ruled out the problem being just transient ( ie: can you make
> it happen reliably and repeatedly sufficient to rule out it just being
> subject to randomness? I hate asking this question, but I bite this
> one *constantly* because I'm really not good at identifying random )
> 
> Given the code of the function you are calling is an xsub, and that
> xsub hooks directly into SSL, there's a lot of scope here for non-perl
> to be the culprit.
> 
> https://metacpan.org/source/MIKEM/Net-SSLeay-1.74/SSLeay.xs#L1693-1721
> 
> I'd also contend the possiblity your network card could be to blame,
> but demonstrating that would be hard (you'd need to try performing a
> reproduction of the case somehow.... good luck)
> 
> If you persist you'll probably find the problem eventually, ... just
> ... it might take a few hours. Can you afford to spend a few hours on
> a 20 second difference?
> 
> 


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