Re: PHP telnet server

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On Thu, 2009-01-01 at 11:51 +0100, Per Jessen wrote:
> Robert Cummings wrote:
> 
> >> 
> >> It's not easy in any language, but if your key concern is the
> >> performance of PHP (as a language), hardware is what you need.  You
> >> can design your software to run on a single box with lots of CPU
> >> cores, or
> >> you can go for a distributed (and more easily scalable) approach.  If
> >> you don't need/want straight scalability, go for the 32 cores all
> >> ticking at 3GHz.  Once that is saturated, buy another one.
> > 
> > If you go multi core then you need to go with a threaded approach...
> > which makes the development a bit complex for newbies to MUD
> > development. 
> 
> 'ceo@xxxxxxxxx' doesn't seem like a newbie to me, but you're right, it
> would be a complex job for a newbie.

'ceo@xxxxxxxxx' isn't the original poster, I was speaking generally...
with a possibly nod towards the OP who may be a newbie.

>   Nevertheless, given todays
> machines where even laptops have multiple cores, I would certainly
> design any new performance-critical application for multi-threading. 
> (Multi-threading in PHP is a challenge in itself, and I wouldn't choose
> PHP for such a job, but that's a different story).
> 
> > I don't think I'd go distributed since people whine about 
> > lag that takes a 1/4 second... distributed would inherently require
> > more time while messages are passed to and fro.
> 
> That is perhaps a valid consideration, but isn't it easily dealt with by
> using gigabit ethernet or infiniband or something similar?

We're talking about a text-based MUD here... it's unlikely the user has
the will to spring for such resources for this endeavour.

> The distributed vs. one big monolith discussion is also a matter of
> space, cooling, electricity etc.  The big monolith is easier to deal
> with, but also carries a different pricetag. The many machines can be
> gradually expanded at a lower cost, but need much more in terms of
> infrastructure.

Yes, I agree with all your points, just think perhaps you've shot past
the target a little ;)

Cheers,
Rob.
-- 
http://www.interjinn.com
Application and Templating Framework for PHP


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