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Posted to jira@arrow.apache.org by "Joris Van den Bossche (Jira)" <ji...@apache.org> on 2022/10/24 13:51:00 UTC
[jira] [Commented] (ARROW-17608) [JS] Implement C Data Interface
[ https://issues.apache.org/jira/browse/ARROW-17608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17623196#comment-17623196 ]
Joris Van den Bossche commented on ARROW-17608:
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[~kylebarron2] I am not familiar with the JS package, so I can't comment on the details, but I think in general we would certainly like to see this functionality. Thank for exploring this! Certainly feel free to already open a PR (that might make the discussion more concrete)
cc [~domoritz] [~paul.e.taylor]
> [JS] Implement C Data Interface
> -------------------------------
>
> Key: ARROW-17608
> URL: https://issues.apache.org/jira/browse/ARROW-17608
> Project: Apache Arrow
> Issue Type: New Feature
> Components: JavaScript
> Reporter: Kyle Barron
> Priority: Major
>
> I've recently been working on an implementation of the C Data Interface for Arrow JS, the idea being that Arrow JS can read memory from WebAssembly this way without a copy ([blog post|https://observablehq.com/@kylebarron/zero-copy-apache-arrow-with-webassembly], [repo|https://github.com/kylebarron/arrow-js-ffi/pull/11]). Dominik [suggested|https://twitter.com/domoritz/status/1562670919469842432?s=20&t=Ts8HQe_fzgRmecUP1Qrhrw] starting a discussion about potentially adding this into Arrow JS.
> My implementation is still WIP but figure it's not too early to start a discussion. A couple notes:
> - I'm focused only on reading FFI memory, so I only have parsing code. I figure writing doesn't really make sense in JS since Wasm can't access arbitrary JS memory
> - In order to generate FFI memory in the tests, I'm using a small Rust module to convert from an IPC table. If we didn't want to add a rust build step in the tests, that module could be published to NPM
> Thoughts?
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