The iPod Touch is an iPhone without the phone.

As far as the OS, from Wikipedia:

          iOS is derived from Mac OS X, with which it shares the
Darwin foundation, and is therefore a Unix-like operating system by
nature.

You can ssh to it and do whatever (after you jailbreak it).


On Wed, Oct 20, 2010 at 8:39 AM, Don Dailey <[email protected]> wrote:
>
>
> On Wed, Oct 20, 2010 at 7:33 AM, Michael Williams
> <[email protected]> wrote:
>>
>> The iPhone has very impressive customer loyalty numbers (I'm on my
>> second one).  Plus all of it's succes it despite it being AT&T-only in
>> the US.  But you are probably right about raw computing power vs some
>> Android devices.
>
> I'm not a big phone person,  I would prefer a PDA without a phone and I'm
> more into the computing end of things, not the phone end.   So that biases
> me a bit.  And the fact that Android is Linux based is pretty cool too.   A
> serious OS in a handheld device.
>
>
>
>>
>>
>> On Wed, Oct 20, 2010 at 6:18 AM, Don Dailey <[email protected]> wrote:
>> >
>> > On Tue, Oct 19, 2010 at 10:44 PM, David Fotland
>> > <[email protected]>
>> > wrote:
>> >>
>> >> Mobile phones have very limited memory.  On the iPhone I only have
>> >> about
>> >> 20 MB.  This is a big limitation for UCT programs.
>> >
>> > But you need much less memory when you are running 6-7 times slower.
>> >  I
>> > browsed around on the web and found people complaining that the typical
>> > android device only leaves them with something like 150 MB free (which
>> > is 7x
>> > more than iphone) and that is probably not too bad given a 6x slower
>> > search
>> > (if that is what it is.)   That is like having close to a gigabyte free
>> > on a
>> > PC if you assume memory use is linear with speed.
>> > Everything I've read about the iphone indicates that it is a popular toy
>> > but
>> > not very well suited to high performance computing (compared to other
>> > small
>> > devices.)   For example I have read that it sucks memory and gets worse
>> > over
>> > time and that it's not a real OS (to me "real" mean you can run tasks in
>> > the
>> > background) etc.     In the performance numbers for chess programs that
>> > Ingo
>> > quoted the top program was on an ipaq not an iphone.
>> > I also saw that Android seems to be outselling iphone and probably the
>> > majority of phones will be Android based soon.
>> > Don
>> >
>> >
>> >
>> >>
>> >>
>> >>
>> >> David
>> >>
>> >>
>> >>
>> >> From: [email protected]
>> >> [mailto:[email protected]] On Behalf Of Don Dailey
>> >> Sent: Tuesday, October 19, 2010 9:48 AM
>> >> To: [email protected]
>> >> Subject: Re: [Computer-go] Candidates + Territory visualisation in
>> >> Valkyria
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> On Tue, Oct 19, 2010 at 12:28 PM, "Ingo Althöfer"
>> >> <[email protected]>
>> >> wrote:
>> >>
>> >> -------- Original-Nachricht --------
>> >> > Datum: Tue, 19 Oct 2010 11:48:57 -0400
>> >> > Von: Don Dailey <[email protected]>
>> >> > ...
>> >>
>> >> > If we assume 400 ELO difference that is approximately equivalent to
>> >> > 6 or 7 doublings - does that sound about right for the mobile phone
>> >> > hardware you are comparing?
>> >>
>> >> I am not a hardware expert, so I do not know.
>> >> I took the data from the SSDF list at
>> >> http://ssdf.bosjo.net/list.htm     There we have
>> >> 1 Deep Rybka 3 x64 2GB Q6600 2,4 GHz    3213    +25     -23 ...
>> >> ..
>> >> 35 Pocket Fritz 3 Hiarcs Ipaq 214 624 MHz       2722    +53     -51...
>> >>
>> >> I'm not trying to refute you or claim you did anything wrong.       I'm
>> >> just suggesting a refinement to get a more accurate estimate of how
>> >> much we
>> >> can expect to lose going to the mobile phone platform.  My refinement
>> >> is
>> >> more appropriate for what to expect when porting a GO program to the
>> >> mobile
>> >> platform.
>> >>
>> >>
>> >>
>> >> Trying to extrapolate what I know from your data and the "rybka
>> >> adjustment", you get this:  As a general rule of thumb,  if you port
>> >> your go
>> >> program to a mobile platform you will get the same performance that you
>> >> would get if you played on the PC at a time control 6 or 7 times
>> >> faster.
>> >>  So for example if you set your program to play a game in 3 minutes on
>> >> the
>> >> Q6600 platform and other programs are playing 20 minute games, you
>> >> should
>> >> come relatively close to what you can expect on the mobile platform.
>> >>
>> >>
>> >>
>> >> Don
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> I think, this Hiarcs version was especially tuned for "limited"
>> >> hardware.
>> >>
>> >>
>> >>
>> >> They probably took the program that was easiest and most sensible to
>> >> port.
>> >>   I believe Hiarcs is  32 bit program which will port to mobile phone
>> >> hardware with the least amount of ELO loss.   A 64 bit program would
>> >> take an
>> >> additional hit in performance being ported to 32 bit hardware.
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> Ingo
>> >>
>> >> PS: The reason to mention go programs for mobiles was that Valkyria's
>> >> graphic seems ideally suited for small screens.
>> >>
>> >>
>> >> --
>> >> GRATIS! Movie-FLAT mit über 300 Videos.
>> >> Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome
>> >>
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>> >>
>> >>
>> >>
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