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More cache improvements (#1015)

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* fix rotating kv cache for chat use case

* reorg + fixes to caching, unify prompt caching across types and use cases for e.g. caching during a chat

* nit in chat

* fix tests

* fix tests

* fix tests

* docs

* chat command

* comments + docs

* Define meta_state on all Cache implementations

* fixes + trim_prompt_cache api

* fix default model

---------

Co-authored-by: Angelos Katharopoulos <a_katharopoulos@apple.com>
This commit is contained in:
Awni Hannun
2024-10-07 20:45:51 -07:00
committed by GitHub
parent 9bc53fc210
commit fca087be49
43 changed files with 1151 additions and 691 deletions
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9
llms/mlx_lm/models/phimoe.py
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@@ -173,6 +173,7 @@ class PhiMoEModel(nn.Module):
class Model(nn.Module):
def __init__(self, args: ModelArgs):
super().__init__()
self.model_type = args.model_type
self.args = args
self.model = PhiMoEModel(args)
self.lm_head = nn.Linear(args.hidden_size, args.vocab_size, bias=True)
@@ -208,11 +209,3 @@ class Model(nn.Module):
@property
def layers(self):
return self.model.layers
@property
def head_dim(self):
return self.args.hidden_size // self.args.num_attention_heads
@property
def n_kv_heads(self):
return self.args.num_key_value_heads