Multiprocessor system with multiple concurrent modes of execution
Patent
·
OSTI ID:1113225
A multiprocessor system supports multiple concurrent modes of speculative execution. Speculation identification numbers (IDs) are allocated to speculative threads from a pool of available numbers. The pool is divided into domains, with each domain being assigned to a mode of speculation. Modes of speculation include TM, TLS, and rollback. Allocation of the IDs is carried out with respect to a central state table and using hardware pointers. The IDs are used for writing different versions of speculative results in different ways of a set in a cache memory.
- Research Organization:
- International Business Machines Corporations (Armonk, NY)
- Sponsoring Organization:
- USDOE
- Assignee:
- International Business Machines Corporation (Armonk, NY)
- Patent Number(s):
- 8,621,478
- Application Number:
- 13/008,502
- OSTI ID:
- 1113225
- Country of Publication:
- United States
- Language:
- English
Similar Records
Multiprocessor system with multiple concurrent modes of execution
Evict on write, a management strategy for a prefetch unit and/or first level cache in a multiprocessor system with speculative execution
Cache as point of coherence in multiprocessor system
Patent
·
2016
·
OSTI ID:1333218
Evict on write, a management strategy for a prefetch unit and/or first level cache in a multiprocessor system with speculative execution
Patent
·
2014
·
OSTI ID:1158923
Cache as point of coherence in multiprocessor system
Patent
·
2016
·
OSTI ID:1333728