Welcome, Guest. Please login or register.

Author Topic: iPad - PA Semi Inside?  (Read 3289 times)

Description:

0 Members and 1 Guest are viewing this topic.

Offline bloodline

  • Master Sock Abuser
  • Hero Member
  • *****
  • Join Date: Mar 2002
  • Posts: 12113
    • Show all replies
    • http://www.troubled-mind.com
Re: iPad - PA Semi Inside?
« on: April 15, 2010, 09:52:54 PM »
It is ARM, I have written an App for it :)

Proof: http://www.youtube.com/watch?v=4C0PNrUC9jE

Offline bloodline

  • Master Sock Abuser
  • Hero Member
  • *****
  • Join Date: Mar 2002
  • Posts: 12113
    • Show all replies
    • http://www.troubled-mind.com
Re: iPad - PA Semi Inside?
« Reply #1 on: April 15, 2010, 10:00:17 PM »
Quote from: Trev;553724
That's part of the speculation, though--that the current tools compile for ARM and the code runs on an emulator, paving the way for iPhone OS 4.0 and the XCode stack to support native PowerPC binaries. EDIT: Can't watch the vid at work. Will have to look later....
I have to specify the architecture when producing a binary, and I know that my App wouldn't run very well on an emulator (my gfx engine is totally CPU, no OpenGL yet).

The iPad is an ARM Cortex-A8 :)

-Edit- The iPad's CPU runs twice as fast as the iPhone 3GS... and a quick check on the internal timer in my App, shows that the code is running about twice as fast on the iPad as the iPhone.
« Last Edit: April 15, 2010, 10:02:22 PM by bloodline »
 

Offline bloodline

  • Master Sock Abuser
  • Hero Member
  • *****
  • Join Date: Mar 2002
  • Posts: 12113
    • Show all replies
    • http://www.troubled-mind.com
Re: iPad - PA Semi Inside?
« Reply #2 on: April 15, 2010, 10:07:58 PM »
Quote from: Trev;553727
Or, Apple could have implemented a very effective emulation. You wouldn't necessarily have a way to determine this within your app. Or you could be right. Either way, it's a fun bit of speculation. ;-)
If they have, then Apple tech is far far in advanced of the rest of the world! :)

Offline bloodline

  • Master Sock Abuser
  • Hero Member
  • *****
  • Join Date: Mar 2002
  • Posts: 12113
    • Show all replies
    • http://www.troubled-mind.com
Re: iPad - PA Semi Inside?
« Reply #3 on: April 15, 2010, 11:07:35 PM »
Quote from: Karlos;553734
I never knew you were an oriental lady's thumb (just watched cutiemish's related link).
I have a reply to that... but this is a family board ;)

Offline bloodline

  • Master Sock Abuser
  • Hero Member
  • *****
  • Join Date: Mar 2002
  • Posts: 12113
    • Show all replies
    • http://www.troubled-mind.com
Re: iPad - PA Semi Inside?
« Reply #4 on: April 16, 2010, 11:03:43 AM »
Quote from: Trev;553748
@Karlos

Which would make it not an ARM Cortex-A8. Still possible, though, since the PA Semi folks had experience with numerous architectures, yeah? Apple has extensive experience with PowerPC, ARM, and dynamic recompilation. I'm definitely not a PowerPC zealot, but a move back to the architecture would be interesting in terms of setting Apple apart from the competition (although it's certainly already capable of doing that using commodity chips).
It has to be an A8, no other ARM core goes that fast, except the A9... But Apple are not using the A9 :(

Offline bloodline

  • Master Sock Abuser
  • Hero Member
  • *****
  • Join Date: Mar 2002
  • Posts: 12113
    • Show all replies
    • http://www.troubled-mind.com
Re: iPad - PA Semi Inside?
« Reply #5 on: April 16, 2010, 12:29:58 PM »
Quote from: Karlos;553824
I don't really get why the designers being PASemi preclude the A4 being an ARM based CPU.

Whatever hardware design principles they used in the design of their ultra low power PPC processor could equally be applied to an ARM processor, surely?
We should also remember that PASemi was actually founded by the chief architect for the StrongARM project.

But, from the SDK, it is clear the iPad is the same family of hardware (CPU and gfx cores) as the iPhone. Apple isn't psychotic enough to have a third architecture on the go.

Offline bloodline

  • Master Sock Abuser
  • Hero Member
  • *****
  • Join Date: Mar 2002
  • Posts: 12113
    • Show all replies
    • http://www.troubled-mind.com
Re: iPad - PA Semi Inside?
« Reply #6 on: April 16, 2010, 12:32:04 PM »
Quote from: Karlos;553825
Indeed :)

Say, does your co-developer know about this sordid history? What's it worth to keep schtum?
Actually the game does have a sock related easter egg :) you just have to find it!

She knows my sordid past... There is no "hiding the sock" from your other half :lol:

Offline bloodline

  • Master Sock Abuser
  • Hero Member
  • *****
  • Join Date: Mar 2002
  • Posts: 12113
    • Show all replies
    • http://www.troubled-mind.com
Re: iPad - PA Semi Inside?
« Reply #7 on: April 16, 2010, 12:33:03 PM »
Quote from: JJ;553832
Sorry all this talk of getting semi inside ( is this possible) and Strong arm :)
:lol:

Touché!