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Fix: unable to open shared memory object error in multiprocessing #145

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merged 1 commit into from
Mar 5, 2021
Merged

Fix: unable to open shared memory object error in multiprocessing #145

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2 changes: 1 addition & 1 deletion handyrl/train.py
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Original file line number Diff line number Diff line change
Expand Up @@ -590,7 +590,7 @@ def server(self):
except:
# return latest model if failed to load specified model
pass
send_data.append(model)
send_data.append(pickle.dumps(model))

if not multi_req and len(send_data) == 1:
send_data = send_data[0]
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3 changes: 2 additions & 1 deletion handyrl/worker.py
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Expand Up @@ -10,6 +10,7 @@
from socket import gethostname
from collections import deque
import multiprocessing as mp
import pickle

from .environment import prepare_env, make_env
from .connection import QueueCommunicator
Expand Down Expand Up @@ -47,7 +48,7 @@ def _gather_models(self, model_ids):
model_pool[model_id] = self.latest_model[1]
else:
# get model from server
model_pool[model_id] = send_recv(self.conn, ('model', model_id))
model_pool[model_id] = pickle.loads(send_recv(self.conn, ('model', model_id)))
# update latest model
if model_id > self.latest_model[0]:
self.latest_model = model_id, model_pool[model_id]
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