Translate 2.6.0-preview3 post (zh_cn) #1890
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hlcfan
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Nov 23, 2018
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| Ruby 2.6 引入了 `RubyVM::AST` 模块。 | ||
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| 此模块提供 `parse` 方法，传入 Ruby 代码字符串，返回 AST（抽象语法树） 节点。而 `parse_file` 方法则接受一个 Ruby 代码文件作为参数，返回 AST 节点。 |
hlcfan
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Nov 23, 2018
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| * 提升 `Proc#call` 的速度，因为我们无需再关心 `$SAFE`。[[功能 #14318]](https://bugs.ruby-lang.org/issues/14318) | ||
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| 通过 `lc_fizzbuzz` 多次使用 `Proc#call` 的基准测试我们测量到了 1.4 倍性能提升 [[漏洞 #10212]]((https://bugs.ruby-lang.org/issues/10212))。 |
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Trivial, just notice you interchangeably use benchmark and 基准测试, maybe just one?
hlcfan
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Nov 23, 2018
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| Ruby 2.5 提升了代码块传递的性能。[[功能 #14045]](https://bugs.ruby-lang.org/issues/14045) 另外，Ruby 2.6 提升了传递代码块调用时的性能。通过 micro-benchmark 我们观察到了 2.6 倍性能提升。 | ||
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| * 引入了瞬态堆 (theap)。 [Bug #14858] [Feature #14989] 瞬态堆是用于管理指向特定类（Array, Hash, Object 和 Struct）短生命周期内存对象的堆。例如，创建小而短生命周期的哈希对象的速度提升到了 2x 快。根据 rdoc benchmark，我们观察到了 6% 到 7% 的性能提升。 |
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Thanks @dsh0416! |
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@hlcfan Thank you so much for your reviewing. The problems mentioned have been fixed. |
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👍 |
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