Fine-grained multi-tenant cache management
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United States of America
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Jun 28, 2022
Grant Date -
N/A
app pub date -
Aug 29, 2019
filing date -
Aug 29, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
The embodiments herein describe a multi-tenant cache that implements fine-grained allocation of the entries within the cache. Each entry in the cache can be allocated to a particular tenant—i.e., fine-grained allocation—rather than having to assign all the entries in a way to a particular tenant. If the tenant does not currently need those entries (which can be tracked using counters), the entries can be invalidated (i.e., deallocated) and assigned to another tenant. Thus, fine-grained allocation provides a flexible allocation of entries in a hardware cache that permits an administrator to reserve any number of entries for a particular tenant, but also permit other tenants to use this bandwidth when the reserved entries are not currently needed by the tenant.
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