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[Text Generation] Causal Mask Feature Branch#1126
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* initial commit * clean up the PR * working implementation * Ben's review comments
* initial commit * clean up the PR * working implementation * initial implementation, hacky lets clean it up * ready for review * few tiny quality improvements * simplify the logic for computing num of unmasked bits for creating attention_mask for the multitoken prefill
bfineran
previously approved these changes
Jul 25, 2023
bfineran
previously approved these changes
Jul 27, 2023
bfineran
approved these changes
Jul 27, 2023
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This is the feature branch that will aggregate a series of PRs that share a common goal: enable causal mask support in the text generation pipeline for all models that require it.
This PR alone introduces a function that computes a causal mask from the inputs to the model.
Includes
causal_maskinput in the text generation pipeline. Enables runningself.multitoken_enginein a scenario when1 <input_ids_length < sequence_lengthself.multitoken_engineTesting
Refer to the PRs above