> Seems CPU makers currently have more transistors than they know what to
> do with, so they're adding cores and doing a lot of boring stuff like
> SSE2, SSE3, SSE4, etc.
SSE(n) isn't useless since it speeds up stuff like video encoding by,
say, a few times.
For databases, I'd say scatter/gather IO, especially asynchronous
out-of-order read with a list of blocks to read passed to the OS.