[Liboil] oil_memcpy - what size is small ?

David Schleef ds at schleef.org
Tue Dec 19 13:07:55 PST 2006

On Mon, Dec 18, 2006 at 07:53:40PM +0100, salsaman wrote:
> In the documentation for oil_memcpy it says that it is only faster for 
> small copies.
> What is a rough estimate for "small" ?

It is useful for any size larger than about 32 bytes, but its usefulness
decreases above the cache size, since it doesn't do cache writethrough.


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