I'd never heard of a fusion drive until today but it didn't take long to
figure out what it was. I've heard of hybrid drives before but haven't
paid them much attention. Seagate and Toshiba produce them but all their
implementations only have 8GB of flash storage while Apple appears to
use 128GB of flash along with 1 or 3TB of conventional magnetic storage.
It's unclear to me how the 8GB of storage is managed in the Seagate
and Toshiba drives but the Apple drives are actively managed such that
the SSD space has the most frequently used data. And I don't know what
manages the drive. The drive itself or the OS or both.
I'm glad I don't do this stuff any more. Managing writes on SSDs is
extremely complicated and only made worse by managing it as a cache.
Chuck Norcutt
On 12/24/2015 12:51 PM, Bob Whitmire wrote:
With adequate RAM and that fusion drive, you should guard against whiplash
when loading your images and software. Seriously. I've got a smaller fusion
drive on my MacBook Air and it boggles my mind it's so fast. Things slow
down a little bit when I hook up my external hard drive with the photo
library. But not much.
--Bob Whitmire
Certified Neanderthal
On Thu, Dec 24, 2015 at 12:14 PM, Chuck Norcutt <
chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
Thanks, Bob & ChrisB. I will heed your advice. I really need advice on
the importance and performance of of the GPU in using Photoshop... the only
thing that stresses my current machine.
Chuck Norcutt
On 12/24/2015 10:46 AM, ChrisB wrote:
I agree with Bob about OWC; they are an innovative lot.
On the other hand, Chuck is the sort of person that Apple is trying to
tempt to the Other Side, so a call to their sales team should be fruitful.
I managed to buy a nearly new MacBook a couple of weeks ago – for a very
good price. But the previous owner had probably left the thing plugged to
the charger and the battery condition was only 90%. I talked this through
with Apple support (based in Athens :-)) and the experience was very
useful. I then had an appointment with a Genius in Cambridge who checked
the battery for me. It was fine, but he advised me how to keep the health
from deteriorating further: use it, don’t leave it plugged in.
I was impressed with the overall level of service, and I bet the sales
team is up to the mark.
Chris
On 24 Dec 2015, at 13:56, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
wrote:
Now that I've had to go help a few unfortunate owners of new Win10
machines or (worse) upgraders from Win7 I have vowed I'm never going to
Win10. I am seriously thinking of turning myself into an Apple fanboy.
That, of course, requires running Photoshop on some sort of Mac
configuration. I don't want a Mac laptop (yet) and don't need a big
monitor (already have one) so I've been thinking of Mac minis. These can
be configured from about $500-2,000. What do I need in the way of CPU,
graphics processor and memory to get good Photoshop performance? I make
extensive use of ACR to process 16MP E-M1/M5 images and need to consider
that the E-M1 MkII will likely have the 40MP mode or maybe even larger. Of
course, such large image sizes will not be the norm but probably do dictate
16GB RAM.
My current machine is an HP desktop with 8GB and an AMD A8 5500
quad-core at 3.2GHz with integrated graphics. Performance is similar to an
Intel i3 3220 although the AMD's graphics performance is better. This has
what I consider acceptable performance for 16MP images but hardly bowls me
over. For some reason recent startup performance in Photoshop has become
much slower. I've never timed it but it seems that it's not really ready
to rock and roll until it's been up for 20-30 seconds. After that
performance is normal.
I'd love to have something that's twice as fast or even 3 times as fast
if that's possible.
Thanks,
Chuck Norcutt
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