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[Enhancement] Implement ParallelIterator trait for Windows #1321

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[Enhancement] Implement ParallelIterator trait for Windows#1321

Description

@rkshthrmsh
rkshthrmsh
opened on Aug 7, 2023

Implementing the ParallelIterator trait for Windows might be quit helpful in accelerating usecases such as convolution and correlation over large ndarrays. Please let me know if you have considered this already and found some issues in implementing.

Here is an example:

    let a = arr
        .windows((3, 3))
        .into_par_iter()
        .map(|w| (&w * &kernel).sum())
        .collect::<Array1<f32>>();

Activity

  1. rkshthrmsh
    changed the title [-][Enhancement] Implement `ParallelIterator` trait for `Window`s[/-] [+][Enhancement] Implement `ParallelIterator` trait for `Windows`[/+] on Aug 7, 2023

  2. bluss commented on Aug 7, 2023

    @bluss
    bluss
    on Aug 7, 2023
    Member

    Windows is a producer (NdProducer trait) so it can already be parallelized using Zip

  3. rust-ndarray
    locked and limited conversation to collaborators on Aug 7, 2023
  4. bluss
    converted this issue into a discussion #1322 on Aug 7, 2023
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