Optimization improvement in LSTM on HiFi for batch > 1 cases. #3243
Description
If LSTM has batch > 1 and time iteration = 1, batching can be enabled to improve performance on HiFi even when time_major = 0.
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If LSTM has batch > 1 and time iteration = 1, batching can be enabled to improve performance on HiFi even when time_major = 0.