读屏障

  • Vega处理器包含了一个客户化屏障指令,它具有字段检查元数据针对GC压缩页面特殊虚拟内存保护

    Vega processors included a custom read barrier instruction that included bit field checking in reference metadata as well as special virtual memory protection for GC-compacted pages.

    www.infoq.com

  • 特别是拥有操作屏障允许切换简单的GC算法易于并发扩展强壮

    In particular, having a read-barrier allows you to switch to a simpler GC algorithm – and a simple algorithm can be more easily made parallel, scalable, concurrent and robust.

    www.infoq.com

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