#67 collections: parallel spliterators

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ranides4 年之前创建 · 1 条评论
ranides 评论于 4 年之前

At this moment, our collections do not support parallel spliterators.

Especially VirtualList and IntRange should return specialized spliterators.

At this moment, our collections do not support parallel spliterators. Especially `VirtualList` and `IntRange` should return specialized spliterators.
ranides 在代码提交 4 年之前 中引用了该工单
ranides 在代码提交 4 年之前 中引用了该工单
ranides4 年之前 关闭
ranides 评论于 4 年之前
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In fact, default spliterator created from Iterator tries to split data anyway (using buffering and assuming, that producing values is faster than processing, which is reasonable assumption).

We put our implementation inside VirtualList and IntRange, but it is unnecessary to put it everywhere, especially because our data structures are not designed for parallelization in first place, I suppose.

They are fast, sequential, memory bounded, designed for realtime constraints, not for parallel processing which introduces a lot of overhead anyway.

In fact, default spliterator created from Iterator tries to split data anyway (using buffering and assuming, that producing values is faster than processing, which is reasonable assumption). We put our implementation inside VirtualList and IntRange, but it is unnecessary to put it everywhere, especially because our data structures are not designed for parallelization in first place, I suppose. They are fast, sequential, memory bounded, designed for realtime constraints, not for parallel processing which introduces a lot of overhead anyway.
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