>: >My guess would be for the same reasons rc5des is significantly faster
>: >on Intel.  My understanding is that the Intel is much faster at certain
>: >instructions (shifts?) that are heavily used by the encryption code.
>: 
>: i dunno if it's shifts...i always figured it was intel being better at
>: integer arthmetic than sparcs.
>
>It's bitwise rotates, for one.  SPARCs have no such beasts.

that's something i always thought was missing from c: a bitwise rotate
primitive.  i mean...it's had a shift primitive for how long?

>It's also that there is a very highly optimised assembly gmp innards for x86
>in ssh.
>
>IIRC, SPARC in ssh uses the C versions of all the gmp stuff....

ah yes.  that will make a difference too.  hmmm.......

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