[postgis-devel] Aligned Speed
strk
strk at keybit.net
Thu Jan 22 08:31:58 PST 2009
On Thu, Jan 22, 2009 at 10:19:22AM +0000, Mark Cave-Ayland wrote:
> There should be some measurable difference with a fast enough clock, but
> as strk points out, the main reason we wish to align is to try and avoid
> the overhead of memcpy() when accessing points in large geometries.
I wonder how much replacing the memcpy with bitwise ops would
speed the thing up...
--strk;
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