I run it from python. After I import generate_target I use generate_target(input_path=["/home/chris/CAs/sep24/nestML8_models/iaf_cond_exp_neuron.nestml","/home/chris/CAs/sep24/nestML8_models/stp_synapse.nestml"],target_platform="NEST",target_path="/home/chris/CAs/sep24/nestML8_models/targetdir",codegen_opts={"neuron_synapse_pairs":[{"neuron":"iaf_cond_exp_neuron","synapse":"stp_synapse","post_ports":["post_spikes","iaf_cond_exp_neuron"]}],"delay_variable":{"stp_synapse":"d"},"weight_variable":{"stp_synapse":"w"}}) (I’m obliged too. Thanks for the quick response.) -Chris From: Charl Linssen &lt;nest-users(a)turingbirds.com&gt; Sent: 18 September 2024 13:27 To: users(a)nest-simulator.org Subject: [NEST Users] Re: stp synapse nestml errror Hi Chris, Thank you for the report! That shouldn't be the case; could you perhaps send your invocation to generate_code() so we can double-check the parameters? It works for me when I use the following: codegen_opts = {"neuron_synapse_pairs": [{"neuron": "iaf_psc_exp_neuron", "synapse": "stp_synapse", "post_ports": ["post_spikes"]}], "delay_variable": {"stp_synapse": "d"}, "weight_variable": {"stp_synapse": "w"}} input_path = [os.path.join("models", "neurons", "iaf_psc_exp_neuron.nestml"), os.path.join("models", "synapses", "stp_synapse.nestml")] generate_nest_target(input_path=input_path, logging_level="DEBUG", suffix="_nestml", codegen_opts=codegen_opts) I am looking into your PyNN issue and will try to report back on that as soon as I can. Much obliged, Charl On Wed, Sep 18, 2024, at 11:46, Chris Huyck wrote: I’m trying to make a Hebbian Short Term plasticity model. I got the stdp_synapse working, and then tried to change that to stp. I kept getting the error stp_synapse not found in pynest. So, I just started from the static synapse, and modified that to get an stp_synapse that wasn’t Hebbian. When I introduced the post_synaptic neuron into the model, the stp_synapse not found error returns. Oddly, in the generated files (.h, .cpp, in stp_synapse__with_iaf_cond_exp_neuron and iaf_cond_exp_neuron__with_stp_synapse) there is a function for register stdp_synapse. (If you want to duplicate this, just change the stdp_synapse model name to stp_synapse). -Chris _______________________________________________ NEST Users mailing list -- users@nest-simulator.org<mailto:users@nest-simulator.org> To unsubscribe send an email to users-leave@nest-simulator.org<mailto:users-leave@nest-simulator.org>

Ok, I got something working. I’m using the iaf_cond_exp_neuron model, not the iaf_psc_exp_neuron. I just renamed it to chris_iaf_cond_exp_neuron. Now when I create it in pynest, I use chris_iaf_cond_exp_neuron__with_stp_synapse. Similarly, the connect uses stp_synapse__with_chris_iaf_cond_exp_neuron. For completeness, I generate using generate_target(input_path=["/home/chris/CAs/sep24/nestML8_models/chris_iaf_cond_exp_neuron.nestml","/home/chris/CAs/sep24/nestML8_models/stp_synapse.nestml"],target_platform="NEST",target_path="/home/chris/CAs/sep24/nestML8_models/targetdir",codegen_opts={"neuron_synapse_pairs":[{"neuron":"chris_iaf_cond_exp_neuron","synapse":"stp_synapse","post_ports":["post_spikes","chris_iaf_cond_exp_neuron"]}],"delay_variable":{"stp_synapse":"d"},"weight_variable":{"stp_synapse":"w"}}) Thanks for the support. -Chris From: Charl Linssen &lt;nest-users(a)turingbirds.com&gt; Sent: 18 September 2024 14:16 To: users(a)nest-simulator.org Subject: [NEST Users] Re: stp synapse nestml errror Hi, Thanks for the clarifications! This looks like it might be a naming issue. Because there is already a NEST built-in "iaf_cond_exp" neuron, we append a suffix to it (typically "_nestml", although you can change this in the call to generate_code()). Additionally, when you generate the code for a neuron in combination with a synapse, the model names will be appended to one another, resulting in somewhat awkwardly long names, like "iaf_psc_exp_neuron_nestml__with_stp_synapse_nestml" and "stp_synapse_nestml__with_iaf_psc_exp_neuron_nestml". You should be able to instantiate these after generating the code, more or less as follows: nest.Install("nestmlmodule") n = nest.Create("iaf_psc_exp_neuron_nestml__with_stp_synapse_nestml", 2) nest.Connect(n[0], n[1], syn_spec={"synapse_model": "stp_synapse_nestml__with_iaf_psc_exp_neuron_nestml"}) nest.Simulate(100) Hope this helps, Kind regards, Charl On Wed, Sep 18, 2024, at 14:32, Chris Huyck wrote: I run it from python. After I import generate_target I use generate_target(input_path=["/home/chris/CAs/sep24/nestML8_models/iaf_cond_exp_neuron.nestml","/home/chris/CAs/sep24/nestML8_models/stp_synapse.nestml"],target_platform="NEST",target_path="/home/chris/CAs/sep24/nestML8_models/targetdir",codegen_opts={"neuron_synapse_pairs":[{"neuron":"iaf_cond_exp_neuron","synapse":"stp_synapse","post_ports":["post_spikes","iaf_cond_exp_neuron"]}],"delay_variable":{"stp_synapse":"d"},"weight_variable":{"stp_synapse":"w"}}) (I’m obliged too. Thanks for the quick response.) -Chris From: Charl Linssen <nest-users@turingbirds.com<mailto:nest-users@turingbirds.com>> Sent: 18 September 2024 13:27 To: users@nest-simulator.org<mailto:users@nest-simulator.org> Subject: [NEST Users] Re: stp synapse nestml errror Hi Chris, Thank you for the report! That shouldn't be the case; could you perhaps send your invocation to generate_code() so we can double-check the parameters? It works for me when I use the following: codegen_opts = {"neuron_synapse_pairs": [{"neuron": "iaf_psc_exp_neuron", "synapse": "stp_synapse", "post_ports": ["post_spikes"]}], "delay_variable": {"stp_synapse": "d"}, "weight_variable": {"stp_synapse": "w"}} input_path = [os.path.join("models", "neurons", "iaf_psc_exp_neuron.nestml"), os.path.join("models", "synapses", "stp_synapse.nestml")] generate_nest_target(input_path=input_path, logging_level="DEBUG", suffix="_nestml", codegen_opts=codegen_opts) I am looking into your PyNN issue and will try to report back on that as soon as I can. Much obliged, Charl On Wed, Sep 18, 2024, at 11:46, Chris Huyck wrote: I’m trying to make a Hebbian Short Term plasticity model. I got the stdp_synapse working, and then tried to change that to stp. I kept getting the error stp_synapse not found in pynest. So, I just started from the static synapse, and modified that to get an stp_synapse that wasn’t Hebbian. When I introduced the post_synaptic neuron into the model, the stp_synapse not found error returns. Oddly, in the generated files (.h, .cpp, in stp_synapse__with_iaf_cond_exp_neuron and iaf_cond_exp_neuron__with_stp_synapse) there is a function for register stdp_synapse. (If you want to duplicate this, just change the stdp_synapse model name to stp_synapse). -Chris _______________________________________________ NEST Users mailing list -- users@nest-simulator.org<mailto:users@nest-simulator.org> To unsubscribe send an email to users-leave@nest-simulator.org<mailto:users-leave@nest-simulator.org> _______________________________________________ NEST Users mailing list -- users@nest-simulator.org<mailto:users@nest-simulator.org> To unsubscribe send an email to users-leave@nest-simulator.org<mailto:users-leave@nest-simulator.org>