travis: enable bionic & multi-cpu testing #32237
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what does this actually do? (the arch directive) |
spins up Ubuntu LXD containers on arm64, s390x (big endian, 64bit mainframe), ppc64el (POWER8 6bit little endian), amd64 metal and lets one build & run code on those architectures, thanks to hardware that Travis got from partners. |
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@jreback you can see from https://travis-ci.org/pandas-dev/pandas/builds/654862395?utm_source=github_status&utm_medium=notification that all tests on non-x86 are currently failing. Similarly this is the reason we can't update pandas in Ubuntu 20.04 LTS for the release in april at the moment - https://launchpad.net/ubuntu/+source/pandas/0.25.3+dfsg-5 |
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sympathetic with the request. however we have 0 support for non-standard arches. that said, if it can be made to work great.
I would start really small though, enable 1 thing (on an failing ok build), then would take patches to fix.
Almost everything would need to be build from source if conda is not available (IIRC this is somewhat supported for the arm arches but nothing else)
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@xnox we also don't have the capacity to actually have multi arch on every build. |
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@xnox is there also infrastructure for building wheels on these platforms? |
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@WillAyd I had a very good experience with https://github.com/joerick/cibuildwheel |
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we would only need a single build on each arch, need a PR more like: #30641 |
black pandasgit diff upstream/master -u -- "*.py" | flake8 --diff