about last level cache on big little cpu

Morten Rasmussen morten.rasmussen at arm.com
Mon Feb 3 10:03:22 EST 2014


On Mon, Feb 03, 2014 at 02:51:08PM +0000, Alex Shi wrote:
> Does all the big.LITTLE cpu share the same llc? or it depends on
> different vendor's products?

No. I don't know of any big.LITTLE implementation that does have a
shared last level cache. TC2 has per cluster L2 caches as last level
caches, so no cache is shared between the big and little clusters.

Morten



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