While speculatively executing a given one of a plurality of transactions concurrently
executing on a computer, carry out write operations in a local data block, and automatically …

(57) ABSTRACT A system and method for transactional memory using read write locks is
disclosed. Each of a plurality of shared memory areas is associated with a respective read …

Abstract A “Concurrent Sharing Model” provides a programming model based on revisions
and isolation types for concurrent revisions of states, data, or variables shared between two …

(57) ABSTRACT An “Eventually Consistent Sharing Model” provides various techniques for
using “revision diagrams' to determine both arbitration and visibility of changes or updates to …

(57) ABSTRACT A transactional memory system coalesces two outermost transactions in a
transactional memory environment. A pro cessor of the transactional memory system …

5,657,472 A 8, 1997 Van Loo et al. 6,349,361 B1 2/2002 Altman et al. 7,185,005 B1 2/2007
Long et al. 7,516,366 B2 4/2009 Lev et al. 7,730,286 B2 6, 2010 Petersen et al. 7,890,472 …

G06F 2/08(2006.01) A transactional memory system predicts the outcome of coa G06F
3/06(2006.01) lescing outermost memory transactions, the coalescing caus (52) US Cl ing …

Filed: Jun. 23, 2009(57) A system for managing transactions, including a first refer ence cell
associated with a starting value for a first variable, a (65) Prior Publication Data first thread …

Embodiments relate to confidence threshold-based opposing path execution for branch
prediction. An aspect includes determining a branch prediction for a first branch instruction …

A transactional memory system that utilizes indications for the coalescing of outermost
memory transactions, the coalescing causing committing of memory store data to memory for …