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Re: Faster compilation speed


> >>>>> Richard Henderson writes:
> 
> Richard> The folks that are doing cache-miss studies and concluding anything
> Richard> should also go back and measure gcc 2.95, before we used GC at all.
> Richard> That's perhaps not ideal, since it's obstacks instead of reference
> Richard> counting, but it's not a worthless data point.
> 
> 	Thanks for the suggestion.  I think the results I got are pretty
> damning: 
> 
> gcc-2.95.3 20010315 (release)
> 
> Source		I/D$ miss -O2		I/D$ miss -O0
> ------		-------------		-------------
> reload.c		28			36
> insn-recog.c		48			36
> 
> 
> 	For comparison, GCC 3.3 has values in the low 20's, especially at
> no optimization.
> 
> David
> 

Do you have/can you get data for TLB misses?

R.


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