I agree if the finger print scanner works better with a 64-bit processor
then that's good for everyone including the blind. Since I don't know of
a iPhone that's identical in every way to the 5s only with a 32-bit
processor, I don't know how you'll know that the finger print scanner is
actually performing better than it would on a 32-bit chip. Like I said,
I doubt you'll know if any performance benefit you're getting will be do
to the fact that the chip is 64-bit instead of 32-bit.
It isn't true that if you have a 64-bit chip that you have to run a
64-bit operating system and 64-bit applications. If that were the case,
you'd run into a chicken and an egg situation and 64-bit computing would
never catch on. If you use the PC world as an example, we had 64-bit
processors when we were still running 32-bit operating systems on them
(Windows and Linux). When you did put a 64-bit operating system on a
64[bit processor you were still able to run most 32-bit applications.
The exception was device drivers which needed to be ported to run with a
64-bit kernel.
On 09/17/2013 05:08 PM, John Diakogeorgiou wrote:
If we as blind people use the finger print reader and it works better
with 64 bit then it's totally relevant to us. As to running a 32 vs 64
bit program they are usually the same. It is dependant on what is on
the computer. So if you installed a 32bit operating system then your
software needs to be 32bit as well.
On 9/17/13, Regina Alvarado <[email protected]> wrote:
Reggie and Allegra
On Sep 17, 2013, at 1:49 PM, Christopher Chaltain <[email protected]>
wrote:
This has nothing to do with Apple versus Windows. In a 32-bit chip, you only
have 32 bits to use when loading an address into a register. This means that
you can only access 4 gigabytes of memory on a 32-bit chip using just one
register access. There are techniques that can be used to get to more memory
from a 32-bit chip or a 32-bit operating system but these involve memory
mapping and start impacting performance.
Note that the 5s may appear faster than the 5, but this will be due to a
faster chip and not the fact that it's 64-bit. I doubt very much anyone will
notice a performance increase because of the 64-bit chip. This will come
down the road later.
On 09/17/2013 11:14 AM, Raul A. Gallegos wrote:
Hi, I believe the 4gb of memory access applies to Windows-based
operating systems and not Apple devices. But I am just spewing out what
I think I know. It's true that in Windows if you have a 32-bit system
and more than 4gb of ram, only the first 4gb will be used, but 64-bit
will use more than 4gb. But isn't this Apples and Oranges, or better
yet, Apples and Windows?
--
Raul A. Gallegos
Everyone's mature until the bubble wrap comes out. - Sheldon Cooper
Twitter and Facebook user ID: rau47
On 9/16/2013 9:59 PM, Christopher Chaltain wrote:
I'm not sure what articles you're reading. I think it's true that you
won't see any advantage to the iPhone having a 64-bit processor at the
moment, although I've definitely read articles that say it does speed up
the finger print scanning and a few other things.
It's absolutely not true though that the only thing you get from a
64-bit operating system is the ability to address more than 4G of real
memory. If you're reading an article that states that then you should
stop reading because the author clearly doesn't know what they're
talking about. Obviously, you will be able to address more than 4G of
memory, but you can also pass more information between processes at one
time, address a larger file system and so on. When dealing with large
amounts of data, such as in a database or a spread sheet, there's less
memory indirection, so there's improved performance. There's a reason
servers, desktops and laptops have all gone to 64-bit processors,
operating systems and applications, and it isn't just marketing.
Just as with PC's, Macs and laptops, the hardware had to move to 64-bit
before the operating system and applications could start taking
advantage of it. that's exactly what we're seeing now. You may not see
advantage to the 64-bit chips in the iPhone today, but it's a necessary
step to get to the applications that need the additional memory, file
system size and computing power.
On 09/16/2013 09:32 PM, Mike wrote:
From everything I've read 64 bit only makes a difference when your
using at or above 4gb of ram. The iPhone definitely doesn't have that
much so I really don't get the point of it.
I've come across more than one article saying that this is just
marketing and won't make a bit of difference in performance.
Mike m
How to be Blind
www.htb2.com
Roundtable podcasts, software reviews, accessibility tutorials, and
more!
On Sep 16, 2013, at 12:54 PM, "Alan Paganelli"
<[email protected]> wrote:
They said in the presentation that they wanted to give the iPhone the
power of a desktop only in a mobile. I think it was inevitable.
-------
Regards,
Alan
Go Chicago Bears in 2013!
Teenagers; Tired of being harassed by your stupid parents? Act
now!!!!! Move out. Get a job. Pay your bills wile you still know
everything.
Please click on:
http://www.home.earthlink.net/~alanandsuzanne/
There, you'll find free files of my arrangements and performances
played on
the Yamaha Tyros 1 keyboard. The albums in Technics format formerly
on my website are still available upon request. Thanks for listening!
----- Original Message ----- From: "Christopher Chaltain"
<[email protected]>
To: <[email protected]>
Sent: Monday, September 16, 2013 10:34 AM
Subject: Re: Apple's possible reason for going 64Bit
How so? Is this just because it's 64-bit or is it because of the
additional features and performance obtained by going to 64-bit?
There was also some marketing going on here as well. It's only a
matter of time before Samsung and others start taking advantage of
64-bit ARM chips in their hand sets, and now Apple can claim to be
the first.
On 09/16/2013 07:15 AM, Andy Baracco wrote:
It could facilitate adoption by the Government as well.
Andy
-----Original Message----- From: Joseph FreeTech
Sent: Monday, September 16, 2013 2:35 AM
To: [email protected]
Subject: Apple's possible reason for going 64Bit
Hi all,
Just came across the following article and decided to post some
text I
found
interesting. The following is the author's reasoning for why Apple
added
the
64bit chip to the new iPhone: for new features to work, Apple
absolutely
had
to begin using the 64bit chip.
"But here's the difference. Apple needs 64-bit for fingerprint
authentication as well as the camera features the company has added
to the
latest iPhone. In other words, 64-bit is an enabler to features
that may
matter to the masses.
There's also an enterprise play here too. With 64-bit and
fingerprint
authentication, Apple can make a good security case to companies as
well as
support end-to-end virtual private networks. Third party support
will
determine if Apple has more enterprise mojo due to 64-bit.
Apple did make the iPhone 5S backward compatible and developers can
reportedly transition apps to 64-bit easily. There's a good reason
for that
move: 64-bit is a selling point in only limited cases. Like the PC
industry
saw, the ecosystem has to catch up to 64-bit and that can take
years."
http://www.zdnet.com/the-iphone-5s-goes-64-bit-will-it-matter-7000020497/
Joseph
--
Christopher (CJ)
chaltain at Gmail
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question brings up a question not necessarily related to iPhone, but I
really need to know. I want to download Jaws as a demo and see both 32 bit
and 64 bit. How do I know what to download? I would not even thought the 5s
was different if it was not talked about. If it is faster, I would just be
ecstatic and not know why. :) Will have a lot of questions tomorrow about
how to get everything that can be used on an iPad on the iPad! Just a
warning! I am getting iPad tomorrow and hope it has more room than my little
4s.
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