[Core] Optimize SPMD architecture with delta + serialization optimization (#7109)

tests/test_sequence.py

@@ -1,6 +1,9 @@
+from array import array
+
 import pytest
 
-from vllm.sequence import (CompletionSequenceGroupOutput, SamplerOutput,
+from vllm.sequence import (VLLM_TOKEN_ID_ARRAY_TYPE,
+                           CompletionSequenceGroupOutput, SamplerOutput,
                            SequenceData, SequenceOutput)
 
 from .core.utils import create_dummy_prompt
@@ -54,7 +57,7 @@ def test_sampler_output_eq(sample_outputs):
 
 
 def test_sequence_data_prefill():
-    seq_data = SequenceData(prompt_token_ids=[1, 2, 3, 4])
+    seq_data = SequenceData(array(VLLM_TOKEN_ID_ARRAY_TYPE, [1, 2, 3, 4]))
     assert seq_data.get_num_uncomputed_tokens() == 4
     assert seq_data.get_num_computed_tokens() == 0
     # advance by 2