romainfrancois commented on pull request #9615:
URL: https://github.com/apache/arrow/pull/9615#issuecomment-840387315
Some drastic improvements for `floats` and `ints` is what I was after with
the last few commits. That's a win.
Looking into strings now, hoping to be able to leverage parallelism there
too, it's currently not the case:
```cpp
void DelayedExtend(SEXP values, int64_t size, RTasks& tasks) override {
auto task = [this, values, size]() { return this->Extend(values, size);
};
// TODO: refine this., e.g. extract setup from Extend()
tasks.Append(false, std::move(task));
}
```
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