drauschenbach opened a new issue, #6681:
URL: https://github.com/apache/arrow-rs/issues/6681
This discussion aims to outline what would be required to add comprehensive
support for the arm32v7 hardware architecture. Because it was in the top 3
best-selling computers of all time, and edge hardware is likely to remain in
service for quite some time, and because edge is a particularly strong use case
for Arrow.
And secondarily, consider how that might also benefit independent efforts
to support WASM32.
Here are some of my own ideas:
1. Perform tests and clippy static checks for both amd64 and armhf. amd64
must pass, armhf can fail until official support is completed.
2. Tests that are specifically 64-bit in nature should not be attempted on
32-bit platforms (use `#[cfg(target_pointer_width = "64")]` around the test
function). The POC at #6678 outlines most of these.
3. Scrutinize test coverage for `DecimalType`, `Decimal128Type` and
`Decimal256Type` which do not work on armhf.
4. Scrutinize test coverage for `Time64MicrosecondType` and
`Time64NanosecondType`, which do not work on armhf.
5. Consider adding a badge to the README outlining current hardware platform
support.
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