1、

Simple ( non-lazy) Mark Sweep GC executes mark and sweep atomically.

简单(非延迟)标记清理GC以原子方式执行标记和清理。

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2、

Mark and sweep: Each piece of data is marked with a tag.

标记并清理(Mark and sweep):每一块数据都被加上一个标签。

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3、

This is a Deferred Reference Counting ( DRC) mechanism combined with an incremental, conservative mark/ sweep collector.

它采用了一种延迟引用计数(Deferred Reference Counting,DRC)机制,并结合一个增量的、保守的标记/清除收集器。

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4、

Early JDKs used a single-threaded mark-sweep or mark-sweep-compact collector.

早期的JDK使用了单线程的标记-清除或者标记-清除-整理收集器。

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5、

There are several basic strategies for garbage collection: reference counting, mark-sweep, mark-compact, and copying.

有几种垃圾收集的基本策略:引用计数、标记-清除、标记-整理(mark-compact)和复制。

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6、

The generational collector employed by JDK1.2 and later offers far better allocation and collection performance than the mark-sweep-compact collector used by earlier JDKs.

JDK1.2及以后版本所使用的分代垃圾收集器提供了比早期JDK所使用的标记-清除-整理收集器好得多的分配和收集性能。

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7、

The parallel copying collector and concurrent mark-sweep collector are basically concurrent versions of the default copying and mark-compact collectors.

并行复制收集器和并发标记-清除收集器基本上是默认的复制收集器和标记-整理收集器的并发版本。

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8、

Like mark-sweep, mark-compact is a two-phase process, where each live object is visited and marked in the marking phase.

与标记-清除类似,标记-整理是两阶段过程,在标记阶段访问并标记每个活跃对象。

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9、

Last month, we looked at the classic garbage collection techniques of reference counting, copying, mark-sweep, and mark-compact.

上个月,我们分析了引用计数、复制、标记-清除和标记-整理这些经典的垃圾收集技术。

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10、

Two of the new collectors are designed to reduce collection pause time& the parallel copying collector and the concurrent mark-sweep collector.

新收集器中的两个――并行复制收集器和并发标记-清除收集器――设计为减少收集暂停时间。

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11、

The copying algorithm has excellent performance characteristics, but it has the drawback of requiring twice as much memory as a mark-sweep collector.

复制算法的性能很优异,但是它有一个缺点是需要两倍于标记-清除收集器所需要的内存。

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12、

Mark-sweep is simple to implement, can reclaim cyclic structures easily, and doesn't place any burden on the compiler or mutator like reference counting does.

标记-清除实现起来很简单,可以容易地回收循环的结构,并且不像引用计数那样增加编译器或者赋值函数的负担。

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13、

The big problem with mark-sweep is that every active ( that is, allocated) object, whether reachable or not, is visited during the sweep phase.

标记-清除的最大问题是,每一个活跃的(即已分配的)对象,不管是不是可到达的,在清除阶段都是可以访问的。

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14、

Mark-sweep and mark-compact collectors, however, expend considerably more effort examining dead objects, because they must examine every object in the heap during the sweep phase.

不过,标记-清除和标记-理整收集器要做很多额外的分析死亡对象的工作,因为在清除阶段它们必须分析堆中的每一个对象。

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15、

Mark-sweep collectors also tend to leave the heap fragmented, which can cause locality issues and can also cause allocation failures even when sufficient free memory appears to be available.

标记-清除收集器还容易使堆产生碎片,这会产生区域性问题并可以造成分配失败,即使看来有足够的自由内存可用。

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16、

The mark-compact algorithm combines mark-sweep and copying in a way that avoids this problem, at the cost of some increased collection complexity.

标记-整理算法结合了标记-清除和复制,避免了这个问题,代价是增加了一些收集复杂性。

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17、

Since WinRT is built on top of COM you have the same problems with the dichotomy between reference counting and mark-and-sweep garbage collectors.

由于WinRT是基于COM构建的,所以你同样会有引用计数和mark-and-sweep垃圾回收器之间无法融合的问题。

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18、

The process has three major phases: mark, sweep, and compact

这个过程有三个主要阶段:mark、sweep和compact

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19、

A GC pause usually consists of two distinct phases: the mark and sweep phases.

GC暂停通常包括两个独立阶段:标记阶段和清理阶段。

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20、

In this type of GC, only the mark and sweep phases of GC are run.

在这类GC内,只运行GC的mark和sweep阶段。

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