This is why performance emulation requires: 1. The emulator to run on a system much faster than the real device. 2. Instrumentation to control timing.
I was just looking for a rough estimate like say a Centrino Duo 1.7 Ghz with 1 Gig. On Aug 20, 7:20 pm, "Jeff Hamilton" <[EMAIL PROTECTED]> wrote: > It's hard to make such statements about a certain PC emulating a > certain level of phone. There are a lot more factors at play than pure > CPU clock speed when determining end user performance. Things like the > memory bus speed, the speed of flash, cache sizes, cache replacement > algorithms, adjustable clock rates, etc. Many of those factors are not > emulated, so it's not really possible to make comparisons from the > emulator to any given non-emulated hardware. > > -Jeff > > On Wed, Aug 20, 2008 at 1:50 AM, hanni <[EMAIL PROTECTED]> wrote: > > > I think what people are looking for is some rough estimate to the > > correlation between the speed of the emulator and the speed of the > > phone. > > > Such as, a 1 GHz CPU in the emulator would roughly equal a 100 MHz CPU > > in the phone, for most loops or calculations. (Just an example, i > > don't know.) > > > On 20 Aug, 06:58, "Justin (Google Employee)" <[EMAIL PROTECTED]> wrote: > >> > Could someone give us the PC hardware of something that is running it > >> > the same speed as the real phone? > > >> There is no "the phone". Android is designed to run on a variety of > >> hardware and we expect it will run on many hardware configurations. > >> Therefore the statement "running it the same speed as the real phone" > >> doesn't make sense. > > >> Cheers, > >> Justin > >> Android Team @ Google > > >> On Aug 19, 8:40 pm, tberthel <[EMAIL PROTECTED]> wrote: > > >> > Could someone give us the PC hardware of something that is running it > >> > the same speed as the real phone? > > >> > When will the PC not determine the performance as much? I assume they > >> > could provide a sleep timer to provide semi accurate performance to a > >> > phone with a profile until instrumentation is added for performance > >> > control? WTK uses some kind of instrumentation to do this. > > >> > On Aug 19, 9:44 pm, hackbod <[EMAIL PROTECTED]> wrote: > > >> > > On Aug 19, 6:54 pm, tberthel <[EMAIL PROTECTED]> wrote: > > >> > > > Are the first phones going to be this fast? > > >> > > The spend of the emulator depends entirely on the PC you are running > >> > > it on, so there is no way to correlate whatever speed you see with the > >> > > speed on an actual device. (And that is ignoring other aspects like > >> > > there being no graphics hardware acceleration in the emulator.)- Dölj > >> > > citerad text - > > >> - Visa citerad text - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] Announcing the new Android 0.9 SDK beta! http://android-developers.blogspot.com/2008/08/announcing-beta-release-of-android-sdk.html For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
