Patent ID: 8464261

Claim:
A method, comprising: using a computer to perform: initiating concurrent execution of two or more different code sequences, each of which is executable to perform a respective task as an atomic transaction, wherein each of the atomic transactions is a transaction in a set of co-transactions, wherein at most one of the atomic transactions in the set of co-transactions is to be allowed to succeed and commit its results, and wherein each of the two or more code sequences comprises one or more memory access operations to locations in a shared memory that is accessible to a plurality of concurrently executing transactions; committing results of at most one of the atomic transactions being performed by the two or more code sequences; and aborting all of the atomic transactions being performed by the two or more code sequences other than the at most one of the atomic transactions for which results are committed, wherein aborted ones of the atomic transactions in the set of co-transactions are not subsequently retried if results of one of the atomic transactions being performed by the two or more code sequences have been committed.