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RFC: Making dtype promotion semantics in Tensorflow more consistent - #431
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JW1992 wants to merge 20 commits into
Open
RFC: Making dtype promotion semantics in Tensorflow more consistent#431JW1992 wants to merge 20 commits into
JW1992 wants to merge 20 commits into
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JW1992
marked this pull request as ready for review
October 19, 2022 00:32
wangpengmit
approved these changes
Nov 8, 2022
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This RFC will be open for comment until Friday, November 4th, 2022.
cc @wangpengmit
Making dtype promotion semantics in Tensorflow more consistent
Objective
Currently TF has no consistent, well-defined type promotion rules. This document proposes a well-defined, consistent and clear dtype promotion rule for TF. The introduced changes make TF APIs more similar to NumPy, with some differences that emphasize TF’s applications in machine learning. This should make dtype promotions in TF much more consistent and predictable. Specifically the doc discusses the preferred dtype promotion semantics/behaviors of Tensorflow (TF) and Tensorflow-numpy (TF-numpy) in the binary ops including add, sub, mul, div, pow and mod.