Define Sdy_ShardedToUnreducedOp.
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Sdy_ShardToUnreduceOp.Sdy_ShardedToUnreducedOp.
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We have the following equivalence. ``` all-gather(x, axes) = all-reduce(sharded-to-unreduced(x, axes), axes) ``` where `all-gather`, `sharded-to-unreduced`, and `all-reduce` are applied on the same axes. PiperOrigin-RevId: 840556147
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Define
Sdy_ShardedToUnreducedOp.We have the following equivalence.
where
all-gather,sharded-to-unreduced, andall-reduceare applied on the same axes.