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[misc] add forward context for attention #9029

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merged 11 commits into from
Oct 3, 2024
Merged

[misc] add forward context for attention #9029

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766e76b
add forward context
youkaichao Oct 2, 2024
496c7ad
add model_runner
youkaichao Oct 2, 2024
092f3f3
add enc decode model runner
youkaichao Oct 2, 2024
bb18e56
add embedding
youkaichao Oct 2, 2024
01e5a7d
add draft model runner
youkaichao Oct 2, 2024
9ed2a62
change flash attn
youkaichao Oct 2, 2024
55a3863
remove custom op inside custom op
youkaichao Oct 2, 2024
c6e98e6
fix batch expansion
youkaichao Oct 3, 2024
fa2c8fd
refactor tests
youkaichao Oct 3, 2024
0d445b2
remove custom op inside custom op
youkaichao Oct 3, 2024
d19cc10
remove custom op inside custom op
youkaichao Oct 3, 2024
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add draft model runner
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@youkaichao
youkaichao committed Oct 2, 2024
commit 01e5a7da0025ceab48c0986d19886b155d9554d2
22 changes: 12 additions & 10 deletions vllm/spec_decode/draft_model_runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

import torch

from vllm.forward_context import set_forward_context
from vllm.model_executor.layers.sampler import SamplerOutput

try:
Expand Down Expand Up @@ -291,16 +292,17 @@ def execute_model(
if previous_hidden_states is not None else {}

# Run model
hidden_states = model_executable(
input_ids=model_input.input_tokens,
positions=model_input.input_positions,
kv_caches=kv_caches,
attn_metadata=model_input.attn_metadata,
intermediate_tensors=intermediate_tensors,
**MultiModalInputs.as_kwargs(multi_modal_kwargs,
device=self.device),
**kwargs,
)
with set_forward_context(model_input.attn_metadata):
hidden_states = model_executable(
input_ids=model_input.input_tokens,
positions=model_input.input_positions,
kv_caches=kv_caches,
attn_metadata=model_input.attn_metadata,
intermediate_tensors=intermediate_tensors,
**MultiModalInputs.as_kwargs(multi_modal_kwargs,
device=self.device),
**kwargs,
)

# Compute the logits.
logits = self.model.compute_logits(hidden_states,
Expand Down