質問編集履歴
3
追記
test
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File without changes
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test
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@@ -187,3 +187,53 @@
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print("close")
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```
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+
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```ここに言語を入力
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flan_ok
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195
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Traceback (most recent call last):
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File "testtorch.py", line 28, in <module>
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p.start()
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File "C:\Users\PC_User\Anaconda3\envs\testpyflan\lib\multiprocessing\process.py", line 112, in start
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202
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self._popen = self._Popen(self)
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File "C:\Users\PC_User\Anaconda3\envs\testpyflan\lib\multiprocessing\context.py", line 223, in _Popen
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return _default_context.get_context().Process._Popen(process_obj)
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File "C:\Users\PC_User\Anaconda3\envs\testpyflan\lib\multiprocessing\context.py", line 322, in _Popen
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return Popen(process_obj)
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File "C:\Users\PC_User\Anaconda3\envs\testpyflan\lib\multiprocessing\popen_spawn_win32.py", line 89, in __init__
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reduction.dump(process_obj, to_child)
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File "C:\Users\PC_User\Anaconda3\envs\testpyflan\lib\multiprocessing\reduction.py", line 60, in dump
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218
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ForkingPickler(file, protocol).dump(obj)
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220
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_pickle.PicklingError: Can't pickle <class '__main__.flan'>: it's not the same object as __main__.flan
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Traceback (most recent call last):
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File "<string>", line 1, in <module>
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File "C:\Users\PC_User\Anaconda3\envs\testpyflan\lib\multiprocessing\spawn.py", line 99, in spawn_main
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new_handle = reduction.steal_handle(parent_pid, pipe_handle)
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File "C:\Users\PC_User\Anaconda3\envs\testpyflan\lib\multiprocessing\reduction.py", line 87, in steal_handle
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_winapi.DUPLICATE_SAME_ACCESS | _winapi.DUPLICATE_CLOSE_SOURCE)
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PermissionError: [WinError 5] アクセスが拒否されました。
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```
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2
追記
test
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File without changes
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test
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@@ -107,3 +107,83 @@
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close
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```
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追記
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114
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115
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.share_memory()したあとargeにいれると症状が変わりましたが
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116
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117
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動きません Queueという物も見つけましたがなんなのか全くわかりません
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119
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120
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複数のProcessで 同じインスタンスの関数 変数を使いたいです 変数はちょくちょくProcessのほうから変更します
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Queueのほうがいろいろできると書いてありましたがどっちがいいのでしょうか？
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125
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```ここに言語を入力
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import torch
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import torch.nn as nn
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import torch.optim as optim
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import torch.nn.functional as F
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import torchvision.transforms as T
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#import torch.multiprocessing as mp
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import torch.multiprocessing as mp
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142
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class flan(nn.Module):
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def __init__(self):
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super(flan, self).__init__()
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self.flan=True
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print("flan_ok")
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153
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def prints(self):
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154
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print("def_ok")
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157
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158
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159
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160
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161
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def train(flan):
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162
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print("car")
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164
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flan.prints()
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166
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167
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print(flan.flan,"flan_ok")
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168
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169
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flan.flan=495
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170
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171
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print(flan.flan,"add_ok")
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172
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173
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if __name__ == '__main__':
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flan=flan()
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flan.share_memory()
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p = mp.Process(target=train, args=(flan,))
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181
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p.start()
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182
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print("start")
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184
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185
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p.join()
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186
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187
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print("close")
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188
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189
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```
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1
誤字
test
CHANGED
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@@ -1 +1 @@
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1
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-
python マルチプロセスで
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1
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+
python マルチプロセスでインスタンスを共有できない
|
test
CHANGED
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@@ -1,4 +1,4 @@
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1
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-
pythonのマルチプロセスで
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1
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+
pythonのマルチプロセスで インスタンスを共有したいです
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2
2
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3
3
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乗せてるコードはtest用なので一つしか.Processを作っていませんが
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4
4
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@@ -8,7 +8,7 @@
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8
8
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9
9
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ためしたこと
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10
10
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11
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-
args=()に
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11
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+
args=()にインスタンスを入れてみる
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12
12
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13
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14
14
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