Failed to build, error: ‘spikeCount_neurongroup’ was not declared in this scope

[ValerioB88]

Hi, I am trying to run the simple example here.
I have installed CUDA (which seems to work, I can run nvidia-smi), and is located in /usr/local/cuda. I have changed the PATH and CUDA_PATH.

When executing run(duration) I first run into a KeyError in device.py (just before building), in the line run_lines.extend(self.code_lines['before_network_run']). Before_network_run is not a key in self.code_lines, so I change it to before_run (and similarly I change after_network_run to after_run few lines later). KeyError is solved, but it fails again on the self.build(direct_call=False, **self.build_options) few lines later, with this error:

['/home/ft20308/genn-4.7.1/bin/genn-buildmodel.sh', '-i', '/home/ft20308/EvoSpike/src:/home/ft20308/EvoSpike/src/GeNNworkspace:/home/ft20308/EvoSpike/src/GeNNworkspace/brianlib/randomkit', 'magicnetwork_model.cpp']
make: Entering directory '/home/ft20308/genn-4.7.1/src/genn/generator'
if [ -w /home/ft20308/genn-4.7.1/lib ]; then make -C /home/ft20308/genn-4.7.1/src/genn/genn; fi;
if [ -w /home/ft20308/genn-4.7.1/lib ]; then make -C /home/ft20308/genn-4.7.1/src/genn/backends/cuda; fi;
make[1]: Entering directory '/home/ft20308/genn-4.7.1/src/genn/genn'
make[1]: Entering directory '/home/ft20308/genn-4.7.1/src/genn/backends/cuda'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/ft20308/genn-4.7.1/src/genn/backends/cuda'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/ft20308/genn-4.7.1/src/genn/genn'
mkdir -p /tmp/genn.5vCkbAKS
g++ -std=c++11 -Wall -Wpedantic -Wextra -MMD -MP -I/home/ft20308/genn-4.7.1/include/genn/genn -I/home/ft20308/genn-4.7.1/include/genn/third_party -I/home/ft20308/EvoSpike/src -I/home/ft20308/EvoSpike/src/GeNNworkspace -I/home/ft20308/EvoSpike/src/GeNNworkspace/brianlib/randomkit -I/home/ft20308/genn-4.7.1/include/genn/backends/cuda -DMODEL=\"/tmp/genn.btMvLfeb/magicnetwork_model.cpp\" -DBACKEND_NAMESPACE=CUDA -I"/usr/local/cuda/include" generator.cc -o /tmp/genn.5vCkbAKS/generator -L/home/ft20308/genn-4.7.1/lib  -lgenn_cuda_backend -lgenn -L"/usr/local/cuda/lib64" -lcuda -lcudart -pthread
make: Leaving directory '/home/ft20308/genn-4.7.1/src/genn/generator'
2022-08-31 10:00:05.289 INFO  [2518] [{anonymous}::optimizeBlockSize@595] Kernel: updateNeuronsKernel, block size:32
2022-08-31 10:00:05.289 INFO  [2518] [{anonymous}::optimizeBlockSize@595] Kernel: initializeKernel, block size:32
2022-08-31 10:00:05.289 INFO  [2518] [{anonymous}::optimizeBlockSize@595] Kernel: neuronSpikeQueueUpdateKernel, block size:32
2022-08-31 10:00:05.289 INFO  [2518] [{anonymous}::chooseOptimalDevice@679] Optimal device 0 - total occupancy:2688, number of small models:3, SM version:61
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@143] Host memory required for model: 0 MB
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@144] Device memory required for model: 0 MB
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@145] Zero-copy memory required for model: 0 MB
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@153] Merging model with 0 neuron groups and 0 synapse groups results in:
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@154] 	0 merged neuron update groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@155] 	0 merged presynaptic update groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@156] 	0 merged postsynaptic update groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@157] 	0 merged synapse dynamics groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@158] 	0 merged custom update groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@159] 	0 merged custom weight update groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@160] 	0 merged custom weight transpose update groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@161] 	0 merged neuron init groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@162] 	0 merged custom update init groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@163] 	0 merged custom WU update dense init groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@164] 	0 merged synapse dense init groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@165] 	0 merged synapse connectivity init groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@166] 	0 merged synapse sparse init groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@167] 	0 merged custom WU update sparse init groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@168] 	0 merged neuron spike queue update groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@169] 	0 merged synapse dendritic delay update groups
2022-08-31 10:00:05.291 INFO  [2518] [CodeGenerator::generateAll@170] 	0 merged synapse connectivity host init groups
model build complete
make: Nothing to be done for 'clean'.
make -C magicnetwork_model_CODE
make[1]: Entering directory '/home/ft20308/EvoSpike/src/GeNNworkspace/magicnetwork_model_CODE'
make[1]: Leaving directory '/home/ft20308/EvoSpike/src/GeNNworkspace/magicnetwork_model_CODE'
g++ -std=c++11 -Wno-write-strings -I. -Ibrianlib/randomkit -w -O3 -ffast-math -fno-finite-math-only -march=native -std=c++11  main.cpp  code_objects/spikemonitor_codeobject.cpp  objects.cpp  code_objects/neurongroup_group_variable_set_conditional_codeobject.cpp  brianlib/randomkit/randomkit.cc -o main -Lmagicnetwork_model_CODE -lrunner -Wl,-rpath magicnetwork_model_CODE 
In file included from /tmp/genn.btMvLfeb/magicnetwork_model.cpp:5,
                 from generator.cc:31:
/tmp/genn.btMvLfeb/brianlib/randomkit/randomkit.cc:130:5: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
  130 |     "no error",
      |     ^~~~~~~~~~
/tmp/genn.btMvLfeb/brianlib/randomkit/randomkit.cc:131:5: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings]
  131 |     "random device unvavailable"
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /tmp/genn.btMvLfeb/objects.h:6,
                 from /tmp/genn.btMvLfeb/magicnetwork_model.cpp:7,
                 from generator.cc:31:
/tmp/genn.btMvLfeb/brianlib/clocks.h:12:3: warning: extra ‘;’ [-Wpedantic]
   12 |  };
      |   ^
/tmp/genn.btMvLfeb/brianlib/clocks.h:13:2: warning: extra ‘;’ [-Wpedantic]
   13 | };
      |  ^
In file included from /tmp/genn.btMvLfeb/magicnetwork_model.cpp:13,
                 from generator.cc:31:
/tmp/genn.btMvLfeb/code_objects/neurongroup_group_variable_set_conditional_codeobject.cpp: In function ‘void _run_neurongroup_group_variable_set_conditional_codeobject()’:
/tmp/genn.btMvLfeb/code_objects/neurongroup_group_variable_set_conditional_codeobject.cpp:105:18: warning: unused variable ‘_vectorisation_idx’ [-Wunused-variable]
  105 |     const size_t _vectorisation_idx = _idx;
      |                  ^~~~~~~~~~~~~~~~~~
/tmp/genn.btMvLfeb/code_objects/neurongroup_group_variable_set_conditional_codeobject.cpp:83:15: warning: unused variable ‘_numi’ [-Wunused-variable]
   83 |     const int _numi = 1000;
      |               ^~~~~
/tmp/genn.btMvLfeb/code_objects/neurongroup_group_variable_set_conditional_codeobject.cpp:84:11: warning: unused variable ‘_numv0’ [-Wunused-variable]
   84 | const int _numv0 = 1000;
      |           ^~~~~~
/tmp/genn.btMvLfeb/code_objects/neurongroup_group_variable_set_conditional_codeobject.cpp:93:14: warning: unused variable ‘_vectorisation_idx’ [-Wunused-variable]
   93 | const size_t _vectorisation_idx = -1;
      |              ^~~~~~~~~~~~~~~~~~
/tmp/genn.5vCkbAKS/magicnetwork_model_CODE/neuronUpdateCUDAOptim.cc(6): warning #177-D: variable "id" was declared but never referenced
/tmp/genn.5vCkbAKS/magicnetwork_model_CODE/neuronUpdateCUDAOptim.cc(11): warning #177-D: variable "id" was declared but never referenced
/tmp/genn.5vCkbAKS/magicnetwork_model_CODE/initCUDAOptim.cc(8): warning #177-D: variable "id" was declared but never referenced
/tmp/genn.5vCkbAKS/magicnetwork_model_CODE/initCUDAOptim.cc(29): warning #177-D: variable "deviceRNGSeed" was declared but never referenced
/tmp/genn.5vCkbAKS/magicnetwork_model_CODE/initCUDAOptim.cc(8): warning #177-D: variable "id" was declared but never referenced
/tmp/genn.5vCkbAKS/magicnetwork_model_CODE/initCUDAOptim.cc(29): warning #177-D: variable "deviceRNGSeed" was declared but never referenced
/tmp/genn.5vCkbAKS/magicnetwork_model_CODE/neuronUpdateCUDAOptim.cc(6): warning #177-D: variable "id" was declared but never referenced
/tmp/genn.5vCkbAKS/magicnetwork_model_CODE/neuronUpdateCUDAOptim.cc(11): warning #177-D: variable "id" was declared but never referenced
neuronUpdate.cc(6): warning #177-D: variable "id" was declared but never referenced
neuronUpdate.cc(11): warning #177-D: variable "id" was declared but never referenced
init.cc(8): warning #177-D: variable "id" was declared but never referenced
init.cc(29): warning #177-D: variable "deviceRNGSeed" was declared but never referenced
code_objects/spikemonitor_codeobject.cpp: In function ‘void _run_spikemonitor_codeobject()’:
code_objects/spikemonitor_codeobject.cpp:108:24: error: ‘spikeCount_neurongroup’ was not declared in this scope
  108 |  int32_t _num_events = spikeCount_neurongroup;
      |                        ^~~~~~~~~~~~~~~~~~~~~~
code_objects/spikemonitor_codeobject.cpp:117:23: error: ‘spike_neurongroup’ was not declared in this scope
  117 |      const int _idx = spike_neurongroup[_j];
      |                       ^~~~~~~~~~~~~~~~~
make: *** [Makefile:10: main] Error 1
Traceback (most recent call last):
  File "/home/ft20308/.pycharm_helpers/pydev/_pydevd_bundle/pydevd_exec2.py", line 3, in Exec
    exec(exp, global_vars, local_vars)
  File "<string>", line 27, in <module>
  File "/home/ft20308/miniconda3/lib/python3.9/site-packages/brian2genn/device.py", line 884, in build
    raise RuntimeError(('Project compilation failed (Command {cmd} '
RuntimeError: Project compilation failed (Command ['make'] failed with error code 2).
See the output above (if any) for more details.

The error seems to be error: ‘spikeCount_neurongroup’ was not declared in this scope.
Any idea what could I do about that? Thanks

[mstimberg]

Hi @ValerioB88 . This is most likely a mismatch between the versions of Brian2GeNN and Brian2. Can you check which versions you use?