Nekonomicon - beta: libjpeg-turbo 1.2.1

hamei
Who joined Feb. 24, 2004, 4:10 p.m.
and authored 8194 notes

Wrote the following at Dec. 15, 2012, 1:06 a.m...

Did a quick search, couldn't find it mentioned anywhere. It's a replacement for libjpg, I know we discussed it.

Been using it for many weeks and it works fine.

One more for the gipper.

Please help to get a few of these tardists over to current ?

PymbleSoftware
Who joined July 15, 2008, 4:48 p.m.
and authored 1823 notes

Wrote the following at Dec. 15, 2012, 11:40 a.m...

Strange, we used libjpeg-turbo at an image processing job and the improvements we were supposed related to MMX, SSE2, SSE3, CUDA, extensions... Otherwise there was supposed to be no other improvements... Co-workers said something like that...

R.

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GeneratriX
Who joined Oct. 21, 2003, 1:07 a.m.
and authored 4205 notes

Wrote the following at Dec. 15, 2012, 12:16 p.m...

Maybe the whole OpemImageIO would be a better target to port, to allow things like the newer Blender releases and things like that... I mean, if it is a doable target at all.

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hamei
Who joined Feb. 24, 2004, 4:10 p.m.
and authored 8194 notes

Wrote the following at Dec. 15, 2012, 5:55 p.m...

PymbleSoftware wrote:

Strange, we used libjpeg-turbo at an image processing job and the improvements we were supposed related to MMX, SSE2, SSE3, CUDA, extensions... Otherwise there was supposed to be no other improvements... Co-workers said something like that...

The libjpeg buffoons made some significant changes in libjpeg without altering the major version, so newer libjpegs blow up apps depending on the previous versions. Libjpeg-turbo is backwards-compatible, so many intelligent users have settled on it as the standard. There are threads elsewhere on the net describing the situation more accurately but that's the theme of the play.

canavan
Who joined July 21, 2003, 5:19 a.m.
and authored 642 notes

Wrote the following at Dec. 16, 2012, 10:50 a.m...

Quote:

Co-workers said something like that..

Your cow-orkers may be mistaken. libjpeg-turbo is actually measurably faster than the standard libjpeg, even without any SIMD support. However, the performance gains are small in comparison to a SIMD-enabled libjpeg-turbo.

I may have to update the neko_libjpeg package to include the libjpeg v8 backwards compatibility, as some programs expect In-memory source and destination managers nowadays.

recondas
Moderator
Who joined June 6, 2004, 4:55 p.m.
and authored 4835 notes

Wrote the following at Jan. 23, 2013, 3:15 a.m...

Installed back in December and it worked so well I'd forgotten I'd added it.

+1 for /current

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diegel
Who joined Nov. 17, 2009, 2:08 a.m.
and authored 143 notes

Wrote the following at Jan. 23, 2013, 3:49 a.m...

+1 for current.

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beta: libjpeg-turbo 1.2.1