Archived posting to the Leica Users Group, 2012/08/12

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Subject: [Leica] OT - those thinking of a 36MP camera.....
From: jayanand at gmail.com (Jayanand Govindaraj)
Date: Sun, 12 Aug 2012 16:34:36 +0530
References: <80F9701439F20347874CE5E4E03C22E990E83000@WhizzMAIL01.whizz.org> <CC4CF95A.1B02F%chris@chriscrawfordphoto.com>

I have no problem on my Win7 machine with 16 GB RAM with uncompressed 14
bit D800E files (75-80MB).
Cheers
Jayanand

On Sun, Aug 12, 2012 at 3:41 PM, Chris Crawford <
chris at chriscrawfordphoto.com> wrote:

> You've got your RAM maxed out, then. I wonder why D800 files are so
> cumbersome when you find that 500mb Hasselblad scans aren't? That's weird.
> I haven't got a D800 to try it with, but my Canon 5DmkII files process
> fast enough.
>
> --
> Chris Crawford
> Fine Art Photography
> Fort Wayne, Indiana
> 260-437-8990
>
> http://www.chriscrawfordphoto.com  My portfolio
>
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>
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>
>
> On 8/12/12 3:51 AM, "John McMaster" <john at mcmaster.co.nz> wrote:
>
> >I have dealt with 500MB 'blad scans with no issue. For those who care I
> >have 32GB RAM, SSD and RAIDed eSATA so no slouch, D800E files are much
> >slower to process....
> >
> >How do you find them in the Windows space Jayanand?
> >
> >john
> >________________________________________
> >
> >
> >I have a Mac Pro with dual quad-core processors. Mine are 2.8ghz. I work
> >with scanned film, which gives much larger files than a 36mp camera. 16bit
> >RGB scan of a 35mm neg is 128mb and a 6x6 neg is 470mb. That's with no
> >editing or layers, which make the files a lot bigger. My machine is FAST.
> >I have not looked at it to see the % of CPU being used, but I know it runs
> >filters and stuff extremely fast. Almost instantly on 35mm and in a few
> >seconds on the giant medium format scans.
> >
> >My processors are not that much faster than yours, but I do have 12GB of
> >RAM. I wonder if more RAM would help you, it did speed mine up quite a bit
> >when I upped it from 4 to 12 GB.
> >
> >--
> >Chris Crawford
> >
> >On 8/12/12 3:04 AM, "John McMaster" <john at chiaroscuro.co.nz> wrote:
> >
> >>It is far slower to work on D800E (lossless compressed) 40MB files than
> >>M9
> >>(uncompressed) 36MB files.
> >>
> >>I have a reasonably grunty machine so I went looking at what the
> >>bottleneck
> >>is......
> >>
> >>Mid-2009 Mac Pro (2x 2.26 quad-core Intel 5520 CPU) was running at over
> >>1300% CPU (16 threads available) briefly while doing minor changes, be
> >>aware
> >>of this limitation if thinking of upping your camera MP ;-)
> >>
> >>john
> >>
> >
> >_______________________________________________
> >Leica Users Group.
> >See http://leica-users.org/mailman/listinfo/lug for more information
>
>
>
> _______________________________________________
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>


Replies: Reply from john at chiaroscuro.co.nz (John McMaster) ([Leica] OT - those thinking of a 36MP camera.....)
In reply to: Message from john at mcmaster.co.nz (John McMaster) ([Leica] OT - those thinking of a 36MP camera.....)
Message from chris at chriscrawfordphoto.com (Chris Crawford) ([Leica] OT - those thinking of a 36MP camera.....)