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[BUG] Put along axis crashes on shapes that it should work for #1807

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awni opened this issue Jan 28, 2025 · 0 comments · May be fixed by #1813

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awni commented Jan 28, 2025

import mlx.core as mx

source = mx.zeros((1, 1, 8, 32))
indices = mx.array([0, 2, 4, 5]).reshape((1, 1, 4, 1))
update = mx.array(1.0)

print(mx.put_along_axis(source, indices, update, axis=-2))

Gives:

*** ValueError: [scatter] Update shape (1,1,4,1,1,1,1,1) is not valid for broadcasted index shape (1,1,4,32).

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that will close this issue

scatter axis + gather axis primitives #1813

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