Archived posting to the Leica Users Group, 2012/08/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]< http://www.imagescience.com.au/kb/questions/141/Build+a+powerful+PC+for+Photoshop+and+other+imaging+applications > ;-) ;-) Cheers, Geoff http://www.pbase.com/hoppyman On 13 August 2012 12:21, Robert Adler <rgacpa at gmail.com> wrote: > Somewhat on topic, has anyone tried an SSD drive as a scratch drive for CS > to improve performance? > Thanks, > Bob > > On Sun, Aug 12, 2012 at 6:54 PM, John McMaster <john at mcmaster.co.nz> > wrote: > > > True, but I have not heard of any complaints with a compressed 18MP M9 > > image > > > > john > > ________________________________________ > > > > > > Every io cycle on a compressed file has to go through another layer of > > software to handle the decompression. > > > > On Sun, Aug 12, 2012 at 7:07 AM, John McMaster <john at > > chiaroscuro.co.nz> > > wrote: > > > Might be the compression (14 bit) then, this is in LR4.1, may try some > > > uncompressed..... > > > > > > john > > > > > > -----Original Message----- > > > > > > 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 > > >> > > >> 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 > > > > > > -- > Bob Adler > http://www.rgaphoto.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >