Dear Dr. Jochen Martin Eppler, Thank you for your suggestion.But I got an error as below, conn1 ((1, 2, 1.0), (1, 3, 1.0), (1, 4, 1.0))
Jan 13 22:52:44 ConnectionManager [Warning]: New connections created, connection descriptors previously obtained using 'GetConnections' are now invalid. conn2 ((5, 1, 1800.0),) conn3 ((6, 1, 1.0),) conn4 ((1, 7, 1.0),)
Jan 13 22:52:44 NodeManager::prepare_nodes [Info]: Preparing 7 nodes for simulation.
Jan 13 22:52:44 SimulationManager::start_updating_ [Info]: Number of local nodes: 7 Simulation time (ms): 10 Number of OpenMP threads: 1 Number of MPI processes: 1
Jan 13 22:52:44 SimulationManager::run [Info]: Simulation finished. time [5.]
Jan 13 22:52:44 SimulationManager::set_status [Warning]: Simulation time reset to t=0.0. Resetting the simulation time is not fully supported in NEST at present. Some spikes may be lost, and stimulating devices may behave unexpectedly. PLEASE REVIEW YOUR SIMULATION OUTPUT CAREFULLY!
Jan 13 22:52:44 NodeManager::prepare_nodes [Info]: Preparing 7 nodes for simulation.
Jan 13 22:52:44 SimulationManager::start_updating_ [Info]: Number of local nodes: 7 Simulation time (ms): 10 Number of OpenMP threads: 1 Number of MPI processes: 1 python3: /home/zhoueg/Downloads/nest-simulator-2.20.0/nestkernel/archiving_node.cpp:431: virtual void nest::Archiving_Node::update_synaptic_elements(double): Assertion `t >= Ca_t_' failed. [zhoueg-Inspiron-3670:16175] *** Process received signal *** [zhoueg-Inspiron-3670:16175] Signal: Aborted (6) [zhoueg-Inspiron-3670:16175] Signal code: (-6) [zhoueg-Inspiron-3670:16175] [ 0] /lib/x86_64-linux-gnu/libc.so.6(+0x3f040)[0x7f6c148e0040] [zhoueg-Inspiron-3670:16175] [ 1] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xc7)[0x7f6c148dffb7] [zhoueg-Inspiron-3670:16175] [ 2] /lib/x86_64-linux-gnu/libc.so.6(abort+0x141)[0x7f6c148e1921] [zhoueg-Inspiron-3670:16175] [ 3] /lib/x86_64-linux-gnu/libc.so.6(+0x3048a)[0x7f6c148d148a] [zhoueg-Inspiron-3670:16175] [ 4] /lib/x86_64-linux-gnu/libc.so.6(+0x30502)[0x7f6c148d1502] [zhoueg-Inspiron-3670:16175] [ 5] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libnestkernel.so(+0x76f55)[0x7f6bef264f55] [zhoueg-Inspiron-3670:16175] [ 6] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libnestkernel.so(_ZN4nest14Archiving_Node13set_spiketimeERKNS_4TimeEd+0x67)[0x7f6bef2666a7] [zhoueg-Inspiron-3670:16175] [ 7] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libmodels.so(_ZN4nest13iaf_psc_alpha6updateERKNS_4TimeEll+0x3ee)[0x7f6befaf84ae] [zhoueg-Inspiron-3670:16175] [ 8] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libnestkernel.so(+0xe7fd2)[0x7f6bef2d5fd2] [zhoueg-Inspiron-3670:16175] [ 9] /usr/lib/x86_64-linux-gnu/libgomp.so.1(GOMP_parallel+0x42)[0x7f6bed7ea1f2] [zhoueg-Inspiron-3670:16175] [10] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libnestkernel.so(_ZN4nest17SimulationManager7update_Ev+0x151)[0x7f6bef2d2e01] [zhoueg-Inspiron-3670:16175] [11] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libnestkernel.so(_ZN4nest17SimulationManager12call_update_Ev+0x5a5)[0x7f6bef2d37b5] [zhoueg-Inspiron-3670:16175] [12] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libnestkernel.so(_ZN4nest17SimulationManager3runERKNS_4TimeE+0x1d3)[0x7f6bef2d8543] [zhoueg-Inspiron-3670:16175] [13] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libnestkernel.so(_ZN4nest17SimulationManager8simulateERKNS_4TimeE+0x1c)[0x7f6bef2d87cc] [zhoueg-Inspiron-3670:16175] [14] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libnestkernel.so(_ZN4nest8simulateERKd+0xc2)[0x7f6bef2bd992] [zhoueg-Inspiron-3670:16175] [15] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libnestkernel.so(_ZNK4nest10NestModule16SimulateFunction7executeEP14SLIInterpreter+0x43)[0x7f6bef290003] [zhoueg-Inspiron-3670:16175] [16] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libsli.so(_ZN13FunctionDatum7executeEP14SLIInterpreter+0x43)[0x7f6beece7053] [zhoueg-Inspiron-3670:16175] [17] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libsli.so(_ZN14SLIInterpreter8execute_Em+0x222)[0x7f6beece4d32] [zhoueg-Inspiron-3670:16175] [18] /usr/lib/python3.6/lib/python3.6/site-packages/nest/../../../libsli.so(_ZN14SLIInterpreter7executeERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE+0x15e)[0x7f6beece52ae] [zhoueg-Inspiron-3670:16175] [19] /usr/lib/python3.6/lib/python3.6/site-packages/nest/pynestkernel.so(+0x279b8)[0x7f6bf09919b8] [zhoueg-Inspiron-3670:16175] [20] python3[0x50a1cc] [zhoueg-Inspiron-3670:16175] [21] python3(_PyEval_EvalFrameDefault+0x444)[0x50beb4] [zhoueg-Inspiron-3670:16175] [22] python3[0x5095c8] [zhoueg-Inspiron-3670:16175] [23] python3[0x50a2fd] [zhoueg-Inspiron-3670:16175] [24] python3(_PyEval_EvalFrameDefault+0x444)[0x50beb4] [zhoueg-Inspiron-3670:16175] [25] python3[0x507be4] [zhoueg-Inspiron-3670:16175] [26] python3[0x588d41] [zhoueg-Inspiron-3670:16175] [27] python3(PyObject_Call+0x3e)[0x59fd0e] [zhoueg-Inspiron-3670:16175] [28] python3(_PyEval_EvalFrameDefault+0x17e6)[0x50d256] [zhoueg-Inspiron-3670:16175] [29] python3[0x507be4] [zhoueg-Inspiron-3670:16175] *** End of error message *** Aborted (core dumped)
Here is the way I try to run the simulate method multiple time but setting the beginning time of every simulation to 0.0. nest.Simulate(10.) nest.SetKernelStatus({'time': 0.0}) nest.Simulate(10.) Best Wishes, Enguang