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This can best be seen by using a test with inputs such that the output should be an ordered sequence of 120 numbers which I broke down into lines of 8.
This is the issue I reported originally at tensorflow/tensorflow#49944
The problem is that the values returned by the float to uint8 cast are always in the wrong order. I.e. the code here:
xla/xla/tsl/framework/fixedpoint/TypeCastingAVX512.h
Lines 85 to 112 in 3ae0868
This can best be seen by using a test with inputs such that the output should be an ordered sequence of 120 numbers which I broke down into lines of 8.
AVX512BW path:
Fallback:
See tensorflow/tensorflow#49944 (comment) for a solution to this specific code although other code paths are likely affected too
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