>We've just written a jpeg compression algorithm that takes a
>raw (RGB) image file and converts it to a jpeg. When we run
>this on a Pentium II, it takes 103ms, on a Pentium120 S it
>takes 340 ms, and on the EBSA-285 board with a Strongarm
>233MHz, it takes 650ms!

Does your algorithm use floating point?

>Are there any special optimization options available for the
>StrongARM processor?

Depends on the version of the compiler that you are using.  With recent 
versions of gcc/egcs, you may get at least some benefit from 
`-mtune=strongarm110'.

p.