Armin K. wrote:
> While looking for jpeg to build it on my new lfs build, I stumbled upon 
> this one. Has anyone tried it? Wikipedia says it is a fork of original 
> libjpeg but it uses SIMD (whatever that is) 

Single instruction, multiple data.  It's a form of parallelism and 
depends on the instruction set of the processor.  For example, you can 
load 80 bits in a graphics processor stack and run a single instruction 
to do a logical 'and' on 10 bytes with one instruction.

   -- Bruce


instructions to accelerate
> encoding and decoding. Also, same page mentions that Firefox and 
> Chromium use it in it's later releases, and Firefox 13 is gaining some 
> performance improvements from it. Also, it claims to be compatible with 
> previous jpeg version 6b while original jpeg isn't. So is it worth 
> trying it and maybe adding it into the book and kick out original jpeg?
> 
> http://sourceforge.net/projects/libjpeg-turbo/

-- 
http://linuxfromscratch.org/mailman/listinfo/blfs-dev
FAQ: http://www.linuxfromscratch.org/blfs/faq.html
Unsubscribe: See the above information page

Reply via email to