On Wed, Oct 20, 2010 at 7:33 AM, Michael Williams < michaelwilliam...@gmail.com> 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 <dailey....@gmail.com> wrote: > > > > On Tue, Oct 19, 2010 at 10:44 PM, David Fotland <fotl...@smart-games.com > > > > 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: computer-go-boun...@dvandva.org > >> [mailto:computer-go-boun...@dvandva.org] On Behalf Of Don Dailey > >> Sent: Tuesday, October 19, 2010 9:48 AM > >> To: computer-go@dvandva.org > >> Subject: Re: [Computer-go] Candidates + Territory visualisation in > >> Valkyria > >> > >> > >> > >> > >> > >> On Tue, Oct 19, 2010 at 12:28 PM, "Ingo Althöfer" <3-hirn-ver...@gmx.de > > > >> wrote: > >> > >> -------- Original-Nachricht -------- > >> > Datum: Tue, 19 Oct 2010 11:48:57 -0400 > >> > Von: Don Dailey <dailey....@gmail.com> > >> > ... > >> > >> > 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 > >> > >> _______________________________________________ > >> Computer-go mailing list > >> Computer-go@dvandva.org > >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > >> > >> > >> > >> _______________________________________________ > >> Computer-go mailing list > >> Computer-go@dvandva.org > >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > > > > > > _______________________________________________ > > Computer-go mailing list > > Computer-go@dvandva.org > > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > > > _______________________________________________ > Computer-go mailing list > Computer-go@dvandva.org > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >
_______________________________________________ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
