Maybe your problem is that the decompress time includes
writing the file to disk -- file writing is often slower than file
reading.

Cheers,
David

On 02/07/2009, at 10:48 AM, bbsong1980 wrote:

> Recently,I test the speed of KAKADU6.1R to encode/decode 10 bit/
> pixel image on HP BL460c G6 platforms.
>
> Computer Configure:
> hardware platform: BL460c G6, Dual Quad-Core Xeon(E5540
> 2.53GHz),total 8-core;
> software platform: Microsoft service 2008
>
> test image: Gray,10bit/pixel, Sprecision=10,Sdims={2048,2048}
> Stiles={1024,1024}, W9x7, Clevels=4, Cblk={64,64},num_threads=8,
> rate=1bpp
>
> the encode time is 0.2452s,but the decode time is 0.4068s.
>
> I surprise that why the speed of decoding is slower than encoding by
> using KAKADU6.1R to code 10bit/pixel input image and choosing
> num_threads is 8. Whould you like to give me some advise to improve
> the decoding speed?
>
>
>
>
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