Reducing aborts caused by a runtime helper called during execution of a transaction block
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United States of America Patent
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Nov 22, 2016
Grant Date -
Jan 7, 2016
app pub date -
Jan 21, 2014
filing date -
Feb 22, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for reducing the number of aborts caused by a runtime helper being called during the execution of a transaction block. When a runtime helper is called during the execution of a transaction block while a program using hardware transactional memory is running, the runtime helper passes ID information indicating the type of runtime helper to an abort handler. When there is an abort caused by a call to a runtime helper, the abort handler responds by acquiring the ID information of the runtime helper that caused the abort, disables the transaction block with respect to a specific type of runtime helper, executes the non-transactional path corresponding to the transaction block, and re-enables the transaction block when predetermined conditions are satisfied.
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