[Datasets] Unrevert Arrow table copy method change. #19534
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…contain tensor columns. (ray-project#19494)" (ray-project#19517)" This reverts commit a6f9c93.
ericl
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Oct 20, 2021
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LGTM if it passes the linear dataset test |
ericl
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Oct 20, 2021
ericl
reviewed
Oct 20, 2021
| assert len(chunk) == b - a | ||
| bufs = chunk.buffers() | ||
| print(len(bufs)) | ||
| assert bufs[1].address != og_bufs[1].address |
…ation, guaranteeing single-copy.
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@ericl I updated this to use chunk concatenation to copy instead of the NumPy roundtrip, this should be guaranteed to be single-copy and should prevent any data coercions from happening. Please take another look! |
Co-authored-by: Eric Liang <ekhliang@gmail.com>
clarkzinzow
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clarkzinzow
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@ericl Datasets tests and Ray Train examples are passing, MacOS failures appear to be unrelated, so this is gtg in terms of CI. |
matthewdeng
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Unreverts the reversion of #19494. This PR also changes the Arrow table copy method to a per-column copy via chunk concatenation, which
Opening the PR to let the failing example run in CI since I wasn't able to reproduce the failure locally.
Related issue number
Closes #19476
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scripts/format.shto lint the changes in this PR.