No. http://stackoverflow.com/questions/3619252/fork-on-iphone
On Wed, Oct 20, 2010 at 9:51 PM, Don Dailey <[email protected]> wrote: > > > On Wed, Oct 20, 2010 at 6:28 PM, Michael Williams > <[email protected]> wrote: >> >> 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). > > So presumably I can write an application that forks? > >> >> 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 >> >> >> >> >> >> _______________________________________________ >> >> >> Computer-go mailing list >> >> >> [email protected] >> >> >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >> >> >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> >> >> Computer-go mailing list >> >> >> [email protected] >> >> >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >> >> > >> >> > >> >> > _______________________________________________ >> >> > Computer-go mailing list >> >> > [email protected] >> >> > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >> >> > >> >> _______________________________________________ >> >> Computer-go mailing list >> >> [email protected] >> >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >> > >> > >> > _______________________________________________ >> > Computer-go mailing list >> > [email protected] >> > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >> > >> _______________________________________________ >> Computer-go mailing list >> [email protected] >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > > > _______________________________________________ > Computer-go mailing list > [email protected] > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > _______________________________________________ Computer-go mailing list [email protected] http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
