SpiNNaker Users Group

Contact owners and managers

1–30 of 604

This group is for users of the SpiNNaker Neuromorphic Platform (http://apt.cs.manchester.ac.uk/projects/SpiNNaker/).

If you wish to use the platform, please see http://apt.cs.manchester.ac.uk/projects/SpiNNaker/project/Access/ for information on the HBP portal, or on purchasing your own board.

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Melissa, Andrew Rowley3

Apr 3

Undesired behaviour recording spikes

Hi, I just wanted to add that I tested some things using our own Balanced Random network, which I

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Undesired behaviour recording spikes

Hi, I just wanted to add that I tested some things using our own Balanced Random network, which I

Apr 3

Ahmad Waseem, Andrew Rowley4

Apr 2

Handling Connection Loss in SpiNNaker Simulations

Hi, A thought might be that the jupyter notebook is timing out when not in use, then when you

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Handling Connection Loss in SpiNNaker Simulations

Hi, A thought might be that the jupyter notebook is timing out when not in use, then when you

Apr 2

Sotirios Panagiotou, Andrew Rowley3

Mar 17

Issue running on spinn-20 jupyter

That's all it took for all cases, thank you very much! On Monday, March 17, 2025 at 11:59:36 AM

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Issue running on spinn-20 jupyter

That's all it took for all cases, thank you very much! On Monday, March 17, 2025 at 11:59:36 AM

Mar 17

Sergio Davies, Andrew Rowley2

Mar 7

Spif and ExternalFPGARetinaDevice

Hi, There are already a couple of SPIF implementation classes. Please see https://github.com/

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Spif and ExternalFPGARetinaDevice

Hi, There are already a couple of SPIF implementation classes. Please see https://github.com/

Mar 7

Daniel Casanueva Morato, … Andrew Rowley3

Jan 6

Undesired behaviour STDP mechanism

Hi, You are correct that the number of pre-synaptic neurons will affect the values. This is because

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Undesired behaviour STDP mechanism

Hi, You are correct that the number of pre-synaptic neurons will affect the values. This is because

Jan 6

mazdak fatahi

12/12/24

Supervised STDP

Hello, I hope you are doing well. A colleague of mine is working on a supervised STDP model, which

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Supervised STDP

Hello, I hope you are doing well. A colleague of mine is working on a supervised STDP model, which

12/12/24

Daniel Casanueva Morato, Andrew Gait3

11/20/24

Implementing reward-based STDP mechanism

Oops, my reply got sent early, that incomplete sentence was meant to say this: We don't use a

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Implementing reward-based STDP mechanism

Oops, my reply got sent early, that incomplete sentence was meant to say this: We don't use a

11/20/24

Alberto Arturo Vergani, Andrew Rowley2

10/4/24

update python version

Hi, We could likely update this on your VM. I think that this might require a bit of work to get

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update python version

Hi, We could likely update this on your VM. I think that this might require a bit of work to get

10/4/24

Christian Brenninkmeijer

10/2/24

Release 7.3.0

We have just released Version 7.3.0 One of the main changes is reducing the number of reports run and

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Release 7.3.0

We have just released Version 7.3.0 One of the main changes is reducing the number of reports run and

10/2/24

Christian Brenninkmeijer

10/2/24

Jupyterlab on https://spinn-20.cs.man.ac.uk/

The Jupyterlab on https://spinn-20.cs.man.ac.uk/ is fully functional again after clearing the out of

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Jupyterlab on https://spinn-20.cs.man.ac.uk/

The Jupyterlab on https://spinn-20.cs.man.ac.uk/ is fully functional again after clearing the out of

10/2/24

Alfonso Yamamoto, Andrew Rowley2

9/20/24

Energy consumption

Hi, We still have the Arduino-connected board in Manchester, but we haven't used it in a while! I

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Energy consumption

Hi, We still have the Arduino-connected board in Manchester, but we haven't used it in a while! I

9/20/24

Alfonso Yamamoto, Christian Brenninkmeijer3

8/27/24

spike saturation

Hi Christian, Thanks for the reply it was really helpful. Alfonso On Tuesday, August 20, 2024 at 8:24

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spike saturation

Hi Christian, Thanks for the reply it was really helpful. Alfonso On Tuesday, August 20, 2024 at 8:24

8/27/24

Christian Brenninkmeijer

8/13/24

Release 1!7.2.1 and end of support for Python 3.8

We are please to announce that we have done release 1!7.2.1 The recommended python version is 3.12 as

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Release 1!7.2.1 and end of support for Python 3.8

We are please to announce that we have done release 1!7.2.1 The recommended python version is 3.12 as

8/13/24

Christian Brenninkmeijer

8/12/24

Spinnaker JupyterLab disk full

I regret to inform that the machine hosting spinn-20.cs.man.ac.uk including the Jupyterlab is full.

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Spinnaker JupyterLab disk full

I regret to inform that the machine hosting spinn-20.cs.man.ac.uk including the Jupyterlab is full.

8/12/24

Andrew Rowley2

7/31/24

Jupyter Service restored

Hi, Sorry, it seems there were still issues with disk space. I think I have resolved this again now

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Jupyter Service restored

Hi, Sorry, it seems there were still issues with disk space. I think I have resolved this again now

7/31/24

Alberto Arturo Vergani, … Andrew Rowley5

7/30/24

500 : Internal Server Error

Hi, It seems that the server disk space is full. I will investigate and see what is taking up the

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500 : Internal Server Error

Hi, It seems that the server disk space is full. I will investigate and see what is taking up the

7/30/24

Alfonso Yamamoto, Andrew Rowley4

7/29/24

changing spiking dynamics

Hi, The SpiNNaker simulation progresses by a fixed duration in general, which is the simulation time

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changing spiking dynamics

Hi, The SpiNNaker simulation progresses by a fixed duration in general, which is the simulation time

7/29/24

Chris Huyck, Christian Brenninkmeijer2

7/16/24

Different behaviour within and between populations part 2

Hi Chris, Without looking in great details I do see two reasons the Spikes would be different. The

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Different behaviour within and between populations part 2

Hi Chris, Without looking in great details I do see two reasons the Spikes would be different. The

7/16/24

Alberto Arturo Vergani, Andrew Rowley2

7/15/24

move files from SpiNNaker server to personal machine

Hi, One possibility would be to “zip” the files using the Jupyter terminal, and then you can download

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move files from SpiNNaker server to personal machine

Hi, One possibility would be to “zip” the files using the Jupyter terminal, and then you can download

7/15/24

Chris Huyck

7/8/24

Different behaviour within and between populations

I think I'm running the current version of pyNN and SpiNNaker. I have a problem where I have one

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Different behaviour within and between populations

I think I'm running the current version of pyNN and SpiNNaker. I have a problem where I have one

7/8/24

Oscar Alvarez, Andrew Rowley6

6/28/24

Difference between NoisyCurrentSource and i_offset parameter

Thanks Andrew. El jueves, 27 de junio de 2024 a las 1:27:08 UTC-6, Andrew Rowley escribió: Hi, The

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Difference between NoisyCurrentSource and i_offset parameter

Thanks Andrew. El jueves, 27 de junio de 2024 a las 1:27:08 UTC-6, Andrew Rowley escribió: Hi, The

6/28/24

Ahmad Waseem, Andrew Rowley6

6/27/24

Connecting SpiNNaker with X-Plane

Hi, There is a known error on Windows unfortunately in that version. We now have tests to avoid this

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Connecting SpiNNaker with X-Plane

Hi, There is a known error on Windows unfortunately in that version. We now have tests to avoid this

6/27/24

Peter Mason

6/26/24

Connection speed

The nematode worm has 302 neurons. My research found that the neuropeptic connections are essential

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Connection speed

The nematode worm has 302 neurons. My research found that the neuropeptic connections are essential

6/26/24

mazdak fatahi, … Andrew Rowley5

6/20/24

weight quantization

Hi, There are 16-bits available to store the weights in the synapses, but also only the same 16-bits

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weight quantization

Hi, There are 16-bits available to store the weights in the synapses, but also only the same 16-bits

6/20/24

Alfonso Yamamoto, Andrew Rowley2

6/12/24

Too many synapses?

Hi, In general, this error is referring to the number of connections from each source neuron that

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Too many synapses?

Hi, In general, this error is referring to the number of connections from each source neuron that

6/12/24

Peter Mason, Christian Brenninkmeijer2

6/6/24

neuropeptides and connectome automation

The easiest way to do a large number of connections is to use the FromFileConnector https://

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neuropeptides and connectome automation

The easiest way to do a large number of connections is to use the FromFileConnector https://

6/6/24

Alfonso Yamamoto, … Andrew Rowley7

6/4/24

Spiking history

Hi, There is a way to link debugging to gdb: https://github.com/SpiNNakerManchester/spinnaker_tools/

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Spiking history

Hi, There is a way to link debugging to gdb: https://github.com/SpiNNakerManchester/spinnaker_tools/

6/4/24

Peter Mason, Christian Brenninkmeijer2

5/30/24

Is the machine running?

The main spalloc server is running fine. The amount of jobs and users fluctuates a lot. And when I do

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Is the machine running?

The main spalloc server is running fine. The amount of jobs and users fluctuates a lot. And when I do

5/30/24

Peter Mason

5/20/24

A nematode worm emulation

A question. Has anyone managed to get SpiNNaker to emulate a nematode worm, at least partially, and

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A nematode worm emulation

A question. Has anyone managed to get SpiNNaker to emulate a nematode worm, at least partially, and

5/20/24

Clea Smith

5/14/24

Returning of the Board

Hi, I used to work on 2 two loan SpiNNaker boards for my PhD programme, can I ask who I should

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Returning of the Board

Hi, I used to work on 2 two loan SpiNNaker boards for my PhD programme, can I ask who I should

5/14/24