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    • 3. 发明授权
    • Transactional memory using buffered writes and enforced serialization order
    • 事务内存使用缓冲写入和强制序列化顺序
    • US07908255B2
    • 2011-03-15
    • US11786174
    • 2007-04-11
    • David DetlefsJohn Joseph DuffyMichael M MagruderGoetz GraefeVinod K GroverTimothy Lawrence Harris
    • David DetlefsJohn Joseph DuffyMichael M MagruderGoetz GraefeVinod K GroverTimothy Lawrence Harris
    • G06F17/30
    • G06F9/528
    • Various technologies and techniques are disclosed that support buffered writes and enforced serialization order in a software transactional memory system. A buffered write process is provided that performs writes to shadow copies of objects and writes content back to the objects after validating a respective transaction during commit. When a write lock is first obtained for a particular transaction, a shadow copy is made of a particular object. Writes are performed to and reads from the shadow copy. After validating the particular transaction during commit, content is written from the shadow copy to the particular object. A transaction ordering process is provided that ensures that an order in which the transactions are committed matches an abstract serialization order of the transactions. Transactions are not allowed to commit until their ticket number matches a global number that tracks the next transaction that should commit.
    • 公开了各种技术和技术,其支持软件事务存储器系统中的缓冲写入和强制序列化顺序。 提供缓冲的写入过程,其在对象的卷影副本执行写入,并且在提交期间验证相应的事务之后将内容写回到对象。 当一个特定的事务首次获得一个写锁定时,一个影子副本是由一个特定的对象组成的。 写入被执行并从卷影副本中读取。 在提交期间验证特定事务后,将内容从卷影副本写入特定对象。 提供了事务排序过程,其确保事务被提交的顺序与事务的抽象序列化顺序相匹配。 事务不允许提交,直到他们的机票号码跟踪跟踪下一个应该提交的事务的全局号码。