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[TPU] [V1] fix cases when max_num_reqs is set smaller than MIN_NUM_SEQS (#15583)

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Signed-off-by: Chengji Yao <chengjiyao@google.com>
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Chengji Yao 2025-03-26 22:46:26 -07:00 committed by GitHub
parent ecff8309a3
commit 619d3de8bd
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2 changed files with 2 additions and 5 deletions
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5
examples/offline_inference/tpu.py
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@ -14,10 +14,7 @@ answers = [
] ]
N = 1 N = 1
# Currently, top-p sampling is disabled. `top_p` should be 1.0. # Currently, top-p sampling is disabled. `top_p` should be 1.0.
sampling_params = SamplingParams(temperature=0.7, sampling_params = SamplingParams(temperature=0, top_p=1.0, n=N, max_tokens=16)
top_p=1.0,
n=N,
max_tokens=16)
# Set `enforce_eager=True` to avoid ahead-of-time compilation. # Set `enforce_eager=True` to avoid ahead-of-time compilation.
# In real workloads, `enforace_eager` should be `False`. # In real workloads, `enforace_eager` should be `False`.

2
vllm/v1/worker/tpu_model_runner.py
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@ -88,7 +88,7 @@ class TPUModelRunner:
self.max_model_len = model_config.max_model_len self.max_model_len = model_config.max_model_len
self.max_num_blocks_per_req = cdiv(self.max_model_len, self.block_size) self.max_num_blocks_per_req = cdiv(self.max_model_len, self.block_size)
self.max_num_tokens = scheduler_config.max_num_batched_tokens self.max_num_tokens = scheduler_config.max_num_batched_tokens
self.max_num_reqs = scheduler_config.max_num_seqs self.max_num_reqs = max(scheduler_config.max_num_seqs, MIN_NUM_SEQS)
# Model-related. # Model-related.
self.num_attn_layers = model_config.get_num_layers_by_block_type( self.num_attn_layers = model_config.get_num_layers_by_block_type(