>On Tue, 10 Jul 2012, Edward Ned Harvey wrote:
>> CPU's are not getting much faster.  But IO is definitely getting faster.  
>> It's best to keep ahea
d of that curve.
>It seems that per-socket CPU performance is doubling every year. 
>That seems like faster to me.

I think that I/O isn't getting as fast as CPU is; memory capacity and
bandwith and CPUs are getting faster.  I/O, not so much.
(Apart from the one single step from harddisk to SSD; but note that
I/O is limited to standard interfaces and as such it is likely be
helddown by requiring a new standard.

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