ValueError: share_vars_from is not compiled and run, so there is no var to share. about parl HOT 9 CLOSED

I1011 02:40:49.894224  5714 parallel_executor.cc:329] The number of CUDAPlace, which is used in ParallelExecutor, is 2. And the Program will be copied 2 copies
Traceback (most recent call last):
  File "simulator_server.py", line 327, in <module>
    simulator_server = SimulatorServer()
  File "simulator_server.py", line 84, in __init__
    self.agent = OpenSimAgent(alg, OBS_DIM, ACT_DIM, args.ensemble_num)
  File "/Data/jianian/latest/PARL/examples/NeurIPS2018-AI-for-Prosthetics-Challenge/opensim_agent.py", line 63, in __init__
    share_vars_parallel_executor=self.learn_pe[i])
  File "/Data/jianian/latest/PARL/examples/NeurIPS2018-AI-for-Prosthetics-Challenge/multi_head_ddpg.py", line 121, in sync_target
    share_vars_parallel_executor=share_vars_parallel_executor)
  File "/usr/local/lib/python3.5/dist-packages/parl/core/fluid/model.py", line 177, in sync_weights_to
    build_strategy=build_strategy,
  File "/usr/local/lib/python3.5/dist-packages/paddle/fluid/parallel_executor.py", line 175, in __init__
    self._compiled_program._compile(place=self._place, scope=self._scope)
  File "/usr/local/lib/python3.5/dist-packages/paddle/fluid/compiler.py", line 368, in _compile
    scope=self._scope)
  File "/usr/local/lib/python3.5/dist-packages/paddle/fluid/compiler.py", line 339, in _compile_data_parallel
    self._exec_strategy, self._build_strategy, self._graph)
paddle.fluid.core_avx.EnforceNotMet: Enforce failed. Expected member_->places_.size() == local_scopes.size(), but received member_->places_.size():2 != local_scopes.size():1.
 at [/paddle/paddle/fluid/framework/parallel_executor.cc:344]
PaddlePaddle Call Stacks:
0       0x7f71826f6d98p void paddle::platform::EnforceNotMet::Init<std::string>(std::string, char const*, int) + 360
1       0x7f71826f70e7p paddle::platform::EnforceNotMet::EnforceNotMet(std::string const&, char const*, int) + 87
2       0x7f71828d17d4p paddle::framework::ParallelExecutor::ParallelExecutor(std::vector<boost::variant<paddle::platform::CUDAPlace, paddle::platform::CPUPlace, paddle::platform::CUDAPinnedPlace, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_>, std::allocator<boost::variant<paddle::platform::CUDAPlace, paddle::platform::CPUPlace, paddle::platform::CUDAPinnedPlace, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_> > > const&, std::vector<std::string, std::allocator<std::string> > const&, std::string const&, paddle::framework::Scope*, std::vector<paddle::framework::Scope*, std::allocator<paddle::framework::Scope*> > const&, paddle::framework::details::ExecutionStrategy const&, paddle::framework::details::BuildStrategy const&, paddle::framework::ir::Graph*) + 8852
3       0x7f7182789e78p
4       0x7f7182729186p
5             0x4ea117p PyCFunction_Call + 119
6             0x5bc037p PyObject_Call + 71
7             0x4f489ep
8             0x5bc037p PyObject_Call + 71
9             0x54e9b9p
10            0x55851cp
11            0x5bc037p PyObject_Call + 71
12            0x528cefp PyEval_EvalFrameEx + 20239
13            0x52d2b9p
14            0x528ee2p PyEval_EvalFrameEx + 20738
15            0x52d2b9p
16            0x529333p PyEval_EvalFrameEx + 21843
17            0x52e10bp PyEval_EvalCodeEx + 315
18            0x4ec487p
19            0x5bc037p PyObject_Call + 71
20            0x4f489ep
21            0x5bc037p PyObject_Call + 71
22            0x54e9b9p
23            0x55851cp
24            0x5bc037p PyObject_Call + 71
25            0x528cefp PyEval_EvalFrameEx + 20239
26            0x52d2b9p
27            0x528ee2p PyEval_EvalFrameEx + 20738
28            0x52d2b9p
29            0x528ee2p PyEval_EvalFrameEx + 20738
30            0x52e84ap PyEval_EvalCodeEx + 2170
31            0x4ec373p
32            0x5bc037p PyObject_Call + 71
33            0x4f489ep
34            0x5bc037p PyObject_Call + 71
35            0x54e9b9p
36            0x55851cp
37            0x5bc037p PyObject_Call + 71
38            0x528cefp PyEval_EvalFrameEx + 20239
39            0x52e10bp PyEval_EvalCodeEx + 315
40            0x4ec373p
41            0x5bc037p PyObject_Call + 71
42            0x4f489ep
43            0x5bc037p PyObject_Call + 71
44            0x54e9b9p
45            0x55851cp
46            0x5bc037p PyObject_Call + 71
47            0x528cefp PyEval_EvalFrameEx + 20239
48            0x52d2b9p
49            0x52dfbfp PyEval_EvalCode + 31
50            0x5fc652p
51            0x5feafap PyRun_FileExFlags + 154
52            0x5fececp PyRun_SimpleFileExFlags + 444
53            0x63ec96p Py_Main + 1110
54            0x4d02e1p main + 225
55      0x7f71fb4ba830p __libc_start_main + 240
56            0x5d4b99p _start + 41