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Support incremental state for E2E ASR experiments #173

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@taoleicn taoleicn requested a review from jinpoon March 17, 2021 01:21
normalize_after: bool, optional
if True, apply post layer normalization; otherwise apply pre layer normalization
(default=True).

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Would you mind adding the doc string of the right_window also? Just wanted to make sure the legal range of this parameter.

state["saved_query"] = query_not_ready
state["saved_key"] = k
state["saved_value"] = v
incremental_state["attn_state"] = state
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When there are no ready queries, would it be more efficient to just return the empty tensor here?

input: Tensor,
mask_pad: Optional[Tensor] = None,
attn_mask: Optional[Tensor] = None,
incremental_state: Optional[Dict[str, Dict[str, Optional[Tensor]]]] = None,
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Can you change data structure of incremental_state to Optional[Dict[str, Optional[Tensor]]? Seems the SRUCell does use the incremental_state and I should write some glue codes inheriting from the fair_seq's incremental class, and assign & maintain a layer specific hash as the key to this dictionary, in stead of attn_state

c0: Optional[Tensor] = None,
mask_pad: Optional[Tensor] = None,
attn_mask: Optional[Tensor] = None,
incremental_state: Optional[Dict[str, Dict[str, Optional[Tensor]]]] = None,
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same^

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3 participants