[Digikam-users] Hardware Advice Please

[Nicolas MF]

>
> - Digikam seems to run (and max out, occiassionally) on one core. I
> believe I have seen Guiles comment that multicore parallel processing is
> being worked on. In any case, for a given CPU Power dissipation, the fewer
> the cores the better, I believe. More zip per core, until multicore is
> ready.
>

About multi-core capabilities: this seems to be addressed on version 3.4,
check http://digikam.org/node/703

Couldn't test it myself though


On Sun, Nov 3, 2013 at 9:33 PM, Carl McGrath <cmcgrath5035 at comcast.net>wrote:

> A great question, I don't have answers but do have a few observations.
> - I recently bought a new laptop with quad i7 @2.3 GHZ. It is perhaps 10%
> faster than my deskto Quad AMD APU at 2.9GHZ on doing a "Local Contrast"
> exercise in the Digikam editor, which to me is the most CPU intensive
> activity I notice.
> - Both of these systems are very usable for Digikam, but more speed is
> always better.
> - Digikam seems to run (and max out, occiassionally) on one core. I
> believe I have seen Guiles comment that multicore parallel processing is
> being worked on. In any case, for a given CPU Power dissipation, the fewer
> the cores the better, I believe. More zip per core, until multicore is
> ready.
> --If you decide to go with a high power CPU (>100W), which will for sure
> provide better performance, but want to keep it quiet, I highly recommend
> you invest in a water cooling system (Slug on CPU piped to radiator/fan on
> the back of the case). I have been very pleased with one I have on an older
> 125W CPU. They are in the range of $80-$100.
> - From what I have seen, the Facial Recognition feature seems to be a big
> resource user. If you plan to use it, that is probably the best benchmark
> to focus on.
> --An interesting question for the developers might be - Will facial
> recognition in the future be able to uilize the GPU APIs and pixel engines?
> If so, that might make a high performance (gaming) Graphics sub-system
> worthwhile. Otherwise, I doubt graphics performance would make a lot of
> difference for still image processing. All this might be dependent on your
> OS - I run openSUSE Linux. The Nvidia APIs (and drivers) seeem more
> advanced here in this area.
>
> A great question, I look forward to inputs from others, particularly on
> good ways to benchmark systems with Digikam in mind.
>
>
>
> On 11/03/2013 02:04 PM, Mick Sulley wrote:
>
>> I am about to build a new desktop PC.  I think the most demanding task
>> will be DigiKam and I would welcome advice on components.
>> I have decided to go with Intel i7 processor, not decided which model
>> yet.  The thing I am struggling with is the graphics card, they range from
>> very cheap to ridiculously expensive and I really have no idea  how the
>> quality of the graphics card will affect the performance when running
>> DigiKam.  It will be running Debian.
>>
>> Any thoughts, experiences or advice would be most welcome.
>>
>> Thanks
>> Mick
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>>
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