[opensource-dev] STORM-151 : KDU v6.4.1 upgrade update

Trilo Byte trilobyte550m at gmail.com
Fri Nov 12 19:33:02 PST 2010


Sounds great, let me know if you need any additional Mac testing :-)

TriloByte Zanzibar

On Nov 12, 2010, at 5:35 PM, Philippe (Merov) Bossut wrote:

> Hi guys,
> 
> As anyone who reads Snowstorm's scrum reports knows, I've been working on upgrading our old KDU v4.2.1 to v6.4.1. This work is chronicled in STORM-146 and STORM-151 (as well as STORM-105 for the metric harness).
> 
> This afternoon, I was happy to break through the fog and got a first viewer working with v6.4.1! I quickly ran some perf runs and it seems that this new lib gives us a 30% boost in decompression speed (tested on Mac OS X). I posted some preliminary results here: https://wiki.secondlife.com/wiki/Performance_Testers#Results
> 
> Obviously, I need to run more extensive tests but that's a good start. My experience with running that short test during STORM-105 development taught me that the results are rather consistent from run to run.
> 
> Compression is missing right now (the old LLImageJ2CKDU::encodeImpl() is victim of bit rot...) and will be my next focus.
> 
> Don't rush to pull from my STORM-151 dev repo though: the kdu binaries are not posted and you wouldn't be able to build with it. *However* one should be able to build a standalone viewer with openjpeg with that repo and, if I broke anything (I had to do some cmake changes) I'd really appreciate folks telling me what I did wrong.
> 
> I also can't make binaries available as I haven't completed the kdu building project for all platforms (only Mac right now).
> 
> K, lots of things missing still but that was a long overdue update on this project and I know some of you were wondering if it'd ever make it to the finish line so, that quick note to say: yeap, it's coming and it's looking good right now.
> 
> Cheers,
> - Merov
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