Fix attention fusion in conformer encoder #23711
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hanbitmyths
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Feb 15, 2025
jingyanwangms
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This reverts commit 47a0077.
guschmue
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Mar 6, 2025
### Description This PR updates the attention fusion for conformer-encoder models. It is a follow-up to [this PR](#23528). ### Motivation and Context Subsequent modeling code updates have changed (and will continue to change) the graph fusions. However, the three ending attention mask nodes (`Cast --> Unsqueeze --> Equal`) will remain. Thus, the attention fusion should work regardless of any future modeling code changes when handling the attention mask.
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Description
This PR updates the attention fusion for conformer-encoder models. It is a follow-up to this PR.
Motivation and Context
Subsequent modeling code updates have changed (and will continue to change) the graph fusions. However, the three ending attention mask nodes (
Cast --> Unsqueeze --> Equal) will remain. Thus, the attention fusion should work regardless of any future modeling code changes when handling the attention mask.