89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
from logging import getLogger
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from os import getpid
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from queue import Empty
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from sys import exit
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from setproctitle import setproctitle
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from ..server import ServerContext, apply_patches
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from ..torch_before_ort import get_available_providers
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from .context import WorkerContext
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logger = getLogger(__name__)
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EXIT_ERROR = 1
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EXIT_INTERRUPT = 0
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EXIT_MEMORY = 2
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EXIT_REPLACED = 3
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EXIT_SUCCESS = 0
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MEMORY_ERRORS = [
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"Failed to allocate memory",
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"hipErrorOutOfMemory",
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"MIOPEN failure",
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"out of memory",
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"rocblas_status_memory_error",
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]
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def worker_main(worker: WorkerContext, server: ServerContext):
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apply_patches(server)
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setproctitle("onnx-web worker: %s" % (worker.device.device))
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logger.trace(
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"checking in from worker with providers: %s", get_available_providers()
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)
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# make leaking workers easier to recycle
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worker.progress.cancel_join_thread()
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while True:
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try:
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if not worker.is_active():
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logger.warning(
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"worker %s has been replaced by %s, exiting",
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getpid(),
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worker.get_active(),
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)
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exit(EXIT_REPLACED)
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# wait briefly for the next job
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job = worker.pending.get(timeout=1.0)
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logger.info("worker %s got job: %s", worker.device.device, job.name)
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# clear flags and save the job name
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worker.start(job.name)
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logger.info("starting job: %s", job.name)
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# reset progress, which does a final check for cancellation
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worker.set_progress(0)
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job.fn(worker, *job.args, **job.kwargs)
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# confirm completion of the job
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logger.info("job succeeded: %s", job.name)
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worker.finish()
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except Empty:
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pass
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except KeyboardInterrupt:
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logger.info("worker got keyboard interrupt")
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worker.fail()
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exit(EXIT_INTERRUPT)
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except ValueError:
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logger.exception("value error in worker, exiting: %s")
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worker.fail()
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exit(EXIT_ERROR)
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except Exception as e:
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e_str = str(e)
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# restart the worker on memory errors
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for e_mem in MEMORY_ERRORS:
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if e_mem in e_str:
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logger.error("detected out-of-memory error, exiting: %s", e)
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worker.fail()
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exit(EXIT_MEMORY)
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# carry on for other errors
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logger.exception(
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"unrecognized error while running job",
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)
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worker.fail()
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