I found version 1.2.x and 1.3.x have much better preformance on generating
thumbnail than 1.1.x.
On Sun, May 19, 2013 at 4:09 PM, Anocha yimsiriwattana <[email protected]>wrote:
> Just wonder what version of DT you are using?
>
>
> On Sun, May 19, 2013 at 3:38 PM, Emmanuel Lacour <[email protected]>wrote:
>
>> Dear DT users, hackers,
>>
>> I start to be tired of the LT thumbnail generation time on my computer.
>>
>> Here is my HW setup:
>>
>> - images files on a standard SATA drive
>> - OS, .config, .cache on an SSD drive
>> - Memory: 8Go
>> - CPU: AMD Phenom(tm) II X4 965 Processor (4 coeurs)
>> - Graphic card: embedded ATI RS780L [Radeon HD 3000]
>>
>> My DT conf. (performance related options):
>>
>> - don't use embedded preview jpeg but half-size raw: checked
>> - compression of thumbnail images: off
>> - memory in bytes to use for mipmap cache: 954
>> - number of background threads: 2
>> - host memory limit (in MB) for tiling: 5000
>> - minimum amount of memory (in MB) for a single buffer in tiling: 256
>> - activate opencl support: unckecked
>> - always use littlecms2 during export: unchecked
>> - do high quality resampling during export: yes
>> - demosaicing for zoomed out darkroom mode: at most ppg
>> - pixel interpolator: lanczos3
>>
>>
>> when I work on tagging for example on hundreds of pictures (I have
>> historical pictures to tag ...), that's very uncomfortable due to
>> thumbnail generation slowness. Pictures are already developed, so the
>> thumbnails are generated from the raw file.
>>
>> Does anyone know on which area I should work to enhance performances?
>> Does a graphic card with OpenCL support really helps in this area (which
>> cards are recommended)? Is there another HW enhancement I can do. Is
>> there any DT configuration I can better tune?
>>
>> thanks for any help :)
>>
>>
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>
>
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security visibility with the essential security capabilities. Easily and
efficiently configure, manage, and operate all of your security controls
from a single console and one unified framework. Download a free trial.
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