[rescue] Indy CPU upgrade

Mike Hebel nimitz at speakeasy.net
Wed May 21 16:32:09 CDT 2003

On Wednesday, May 21, 2003, at 04:22 PM, Francisco Javier Mesa-Martinez 

>> I don't believe R4600 is newer than R4400.   I seem to remember them
>> coming out at the same time on the Indy.  The only real difference is
>> that the R4400 is optimized for floating-point operations, and the 
>> R4600
>> is optimized for integer operations.
> R4600 is worse than R4400 in both Int and FP. The R4600 was optimized 
> for
> "low cost" :). The R4400 had a little bit more smarts to it, plus it 
> had support
> for SMP on chip. The R4600 didn't... The R4600 had a bit better cache
> implementation, and I believe a shorter pipeline thant the R4400... So 
> it
> may have a bit of a performance improvement due to lower penalty when it
> comes to stalls....

So the 200mhz R4400 Indy I have isn't too bad after all.  Cool.

Now I just have to find the time to re-load it...


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