公开(公告)号：US20190243768A1

公开(公告)日：2019-08-08

申请号：US15891028

申请日：2018-02-07

Applicant: Intel Corporation

Inventor： KSHITIJ DOSHI ,  ROMAN DEMENTIEV ,  VADIM SUKHOMLINOV

IPC: G06F12/0875 ,  G06F9/30

CPC classification number: G06F12/0875 ,  G06F9/30036 ,  G06F9/3004 ,  G06F9/30043 ,  G06F9/30145 ,  G06F9/30178 ,  G06F9/3834 ,  G06F2212/452

Abstract: A processor of an aspect includes a decode unit to decode an instruction. The instruction is to indicate a destination memory address information. An execution unit is coupled with the decode unit. The execution unit, in response to the decode of the instruction, is to store memory addresses, for at least all initial writes to corresponding data items, which are to occur after the instruction in original program order, to a memory address log. A start of the memory address log is to correspond to the destination memory address information. Other processors, methods, systems, and instructions are also disclosed.

公开(公告)号：US20190004851A1

公开(公告)日：2019-01-03

申请号：US15637476

申请日：2017-06-29

Applicant: Intel Corporation

Inventor： KSHITIJ A. DOSHI ,  VADIM SUKHOMLINOV ,  ROMAN DEMENTIEV

IPC: G06F9/46 ,  G06F12/0831 ,  G06F9/30

Abstract: A method to perform atomic transactions in non-volatile memory (NVM) under hardware transactional memory is disclosed. The method includes tracking an order among transaction log entries that includes arranging transaction logs in an order that is based on when corresponding transactions were executed. Moreover, the method includes, using the ordered transaction logs to recover data states of the nonvolatile memory, by identifying a first unconfirmed transaction associated with a transaction completion uncertainty event based on a corresponding one of the transaction logs including a first commit marker but not including a confirm marker, undoing first ones of the transactions in reverse time order starting at a last transaction that recorded a second commit marker, up to and including the first unconfirmed transaction that recorded the first commit marker, and redoing second ones of the transactions in forward time order from a first confirmed transaction up to but not including the first unconfirmed transaction that recorded the first commit marker.