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aituner/scripts/collectivespec/p0_overlay/collectivespec_p0/worker.py

77 lines
3.1 KiB
Python

"""P0 worker: record actual rank-side target execution phases."""
from __future__ import annotations
from typing import Any
from vllm.v1.worker.gpu_worker import Worker
from .common import log_event, plan_summary
class P0Worker(Worker):
"""Log rank-local execution without modifying model or collective calls."""
def __init__(self, *args: Any, **kwargs: Any) -> None:
super().__init__(*args, **kwargs)
self._p0_execute_epoch = 0
self._p0_batch_epoch = 0
def init_device(self): # type: ignore[no-untyped-def]
result = super().init_device()
model_runner = self.model_runner
if getattr(model_runner, "_collectivespec_p0_wrapped", False):
return result
original = model_runner._determine_batch_execution_and_padding
def traced_determine(*args: Any, **kwargs: Any): # type: ignore[no-untyped-def]
output = original(*args, **kwargs)
self._p0_batch_epoch += 1
scheduler_output = kwargs.get("scheduler_output")
if scheduler_output is None and args:
scheduler_output = args[0]
cudagraph_mode, batch_desc, should_ubatch, rows_across_dp, _ = output
log_event(
"worker",
"batch_execution_plan",
batch_phase_epoch=self._p0_batch_epoch,
**self._p0_rank_fields(),
**plan_summary(scheduler_output),
cudagraph_mode=getattr(cudagraph_mode, "value", str(cudagraph_mode)),
physical_batch_rows=getattr(batch_desc, "num_tokens", None),
should_ubatch=should_ubatch,
rows_across_dp=rows_across_dp,
)
return output
model_runner._determine_batch_execution_and_padding = traced_determine
model_runner._collectivespec_p0_wrapped = True
return result
def _p0_rank_fields(self) -> dict[str, Any]:
config = self.vllm_config.parallel_config
return {
"global_rank": getattr(self, "rank", None),
"local_rank": getattr(self, "local_rank", None),
"data_parallel_rank": getattr(config, "data_parallel_rank", None),
"tensor_parallel_rank": getattr(config, "tensor_parallel_rank", None),
"expert_parallel_size": getattr(config, "expert_parallel_size", None),
"tensor_parallel_size": getattr(config, "tensor_parallel_size", None),
"data_parallel_size": getattr(config, "data_parallel_size", None),
"speculative_kmax": getattr(
getattr(self, "speculative_config", None), "num_speculative_tokens", None
),
}
def execute_model(self, scheduler_output: Any): # type: ignore[no-untyped-def]
self._p0_execute_epoch += 1
fields = {
"worker_phase_epoch": self._p0_execute_epoch,
**self._p0_rank_fields(),
**plan_summary(scheduler_output),
}
log_event("worker", "target_execute_begin", **fields)
output = super().execute_model(scheduler_output)
log_event("worker", "target_execute_end", **fields)
return output