Eliminating fetch cancel for inclusive caches
AssigneeAdvanced Micro Devices, Inc.
InventorJames Dundas
Life of this patent
Estimating the term…
Abstract
A method and apparatus for eliminating fetch cancels for inclusive caches are presented. Some embodiments of the apparatus include a first cache configurable to issue fetch or prefetch requests to a second cache that is inclusive of said at least one first cache. The first cache is not permitted to cancel issued fetch or prefetch requests to the second cache. Some embodiments of the method include preventing the first cache(s) from canceling issued fetch or prefetch requests to a second cache that is inclusive of the first cache(s).
Claims18
An apparatus, comprising:
- at least one first cache configurable to issue fetch or prefetch requests to a second cache that is inclusive of said at least one first cache, wherein said at least one first cache is not permitted to cancel issued fetch or prefetch requests to the second cache.
A method, comprising:
- preventing at least one first cache from canceling issued fetch or prefetch requests to a second cache that is inclusive of said at least one first cache.
A computer readable media including instructions that when executed can configure a manufacturing process used to manufacture a semiconductor device comprising:
- at least one first cache configurable to issue fetch or prefetch requests to a second cache that is inclusive of said at least one first cache, wherein said at least one first cache is not permitted to cancel issued fetch or prefetch requests to the second cache.
Dependencies are inferred from the claim text.