Optimized applications would be a boon to this project.

I have been away from this project for some time. Just wondering if this topic has been resolved.

Is the code open and available for optimizing ??

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I have been away from this project for some time. Just wondering if this topic has been resolved.

Is the code open and available for optimizing ??

As far as I know, nothing has happened.

I suggest looking at the gcc optimization flags so that you can optimize based on CPU.
This would mean that specific parts of your code would need to be separated-out where 99% of your crunching happens, so instead of:

Let's call it a file called "crunch.c"

it would break-up into...

crunch.c
crunch_AMD.c (set gcc flags to optimize for AMD)
crunch_Intel.c (set gcc flags to optimize for Intel)
crunch_ARM.c
if someone decides to do these other processors...
crunch_ARM.c
crunch_sparc.c

and you would need a CPU indentify routine like:

[color=green]if (recognize CPU as AMD)
then
  do stuff in crunch_AMD.c
else
  if (recognize CPU as Intel)
  then
    do stuff in crunch_Intel.c
  else
    do generic crunch.c stuff
  endif
endif[/color]