[rc5] Client optimizations

Milton Forte II mwf at ibm.net
Tue Jul 29 16:09:04 EDT 1997

In <Pine.NEB.3.96.970729091347.4039C-100000 at pooh.cdrom.com>, on 07/29/97 
   at 12:14 PM, Murray Stokely <murray at cdrom.com> said:

>% Is this correct?  Is anyone considering 6x86MX and K6 optimizations?  % It
>seems like the K6's are really slow for their clock speed.  Can % anyone
>confirm whether or not they have a rotate instruction?  It has % been
>speculated that they might not, but no one was able to % confirm/deny this
>with authority.  Just curious, especially about the % 6x86MX optimization. 
>Besides better branch prediction and a larger % (64k) L1 cache, is it that
>much different from the 6x86?.

>Of course they have a rotate instruction.  it is an x86 chip, therefor it
>can execute all the x86 instructions.

True, but is it in hardware or done via software?  This question is raised,
since the K6 is slower than the K5 in running RC5.

Milton                                        mwf at ibm.net

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