会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 80. 发明授权
    • Efficient and consistent software transactional memory
    • 高效一致的软件事务内存
    • US09519467B2
    • 2016-12-13
    • US13246678
    • 2011-09-27
    • Cheng WangYoufeng WuWei-Yu ChenBratin SahaAli Reza Adl-Tabatabai
    • Cheng WangYoufeng WuWei-Yu ChenBratin SahaAli Reza Adl-Tabatabai
    • G06F7/00G06F17/30G06F9/45G06F9/46G06F9/30
    • G06F8/458G06F9/3004G06F9/30087G06F9/3834G06F9/3859G06F9/3863G06F9/467
    • A method and apparatus for efficient and consistent validation/conflict detection in a Software Transactional Memory (STM) system is herein described. A version check barrier is inserted after a load to compare versions of loaded values before and after the load. In addition, a global timestamp (GTS) is utilized to track a latest committed transaction. Each transaction is associated with a local timestamp (LTS) initialized to the GTS value at the start of a transaction. As a transaction commits it updates the GTS to a new value and sets versions of modified locations to the new value. Pending transactions compare versions determined in read barriers to their LTS. If the version is greater than their LTS indicating another transaction has committed after the pending transaction started and initialized the LTS, then the pending transaction validates its read set to maintain efficient and consistent transactional execution.
    • 这里描述了用于在软件事务存储器(STM)系统中有效且一致的验证/冲突检测的方法和装置。 在加载之后插入版本检查障碍,以便在加载之前和之后比较加载值的版本。 此外,使用全局时间戳(GTS)来跟踪最近提交的事务。 每个事务与在事务开始时初始化为GTS值的本地时间戳(LTS)相关联。 作为事务提交,将GTS更新为新值,并将修改的位置的版本设置为新值。 待处理的交易将比较其在LTS阅读障碍中确定的版本。 如果版本大于其LTS,指示在挂起事务启动并初始化LTS之后另一个事务已经提交,则挂起的事务会验证其读取集合以保持有效且一致的事务执行。