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    • 99. 发明授权
    • Memory management using garbage collection of scoped memory
    • 内存管理使用范围内存的垃圾收集
    • US08291187B2
    • 2012-10-16
    • US12235636
    • 2008-09-23
    • Andrew Johnson
    • Andrew Johnson
    • G06F12/00
    • G06F12/0253G06F2212/1044
    • Mechanisms for memory management in a scoped memory system are provided. The scoped memory system includes a scoped memory area for the allocation of objects therein for access by one or more software threads in execution. The scoped memory area has an associated thread count for indicating that the scoped memory area is discardable. The mechanisms identify a set of root references for objects allocated in the scoped memory area and recursively traverses and marks objects that are referenced from the set of root references and that are allocated in the scoped memory area. The mechanisms further identify objects in the scoped memory area that are not so marked and discards the identified objects.
    • 提供了范围内存系统内存管理的机制。 作用域存储器系统包括用于在其中分配对象的作用域存储器区域,以供执行中的一个或多个软件线程访问。 作用域存储区域具有相关联的线程计数,用于指示范围内存区域是可丢弃的。 这些机制识别在范围限制的存储区域中分配的对象的一组根引用,并递归地遍历并标记从该组引用引用并在范围限定的存储器区域中分配的对象。 这些机制进一步识别范围限制的存储区域中没有标记的对象,并丢弃识别的对象。
    • 100. 发明授权
    • Memory management for garbage collection of critical real time threads
    • 垃圾收集关键实时线程的内存管理
    • US08266190B2
    • 2012-09-11
    • US12235640
    • 2008-09-23
    • Andrew Johnson
    • Andrew Johnson
    • G06F17/30
    • G06F12/0269G06F2212/1044
    • Mechanisms of memory management in a real time runtime environment having a garbage collected memory heap are provided. The runtime environment includes a critical real time thread that is precluded from accessing the garbage collected memory heap. The runtime environment further includes a scoped memory area for the allocation of objects therein for access by the critical real time thread. The mechanisms determine whether the critical real time thread is in a defined state in which a delay associated with garbage collection can be accommodated by the critical thread. The mechanisms further initiate, in response to a determination that the critical real time thread is in the defined state, a process of garbage collection of the scoped memory area.
    • 提供了具有垃圾收集的内存堆的实时运行时环境中的内存管理机制。 运行时环境包括禁止访问垃圾收集的内存堆的关键实时线程。 运行时环境还包括用于在其中分配对象以供关键实时线程访问的范围的存储器区域。 这些机制确定关键实时线程是否处于定义状态,在该状态下,关键线程可以容纳与垃圾收集相关的延迟。 响应于确定关键实时线程处于定义状态,这些机制进一步启动了范围存储区域的垃圾收集过程。