Memory leaking while viewing 2 videos #2112

zyyk78 · 2025-01-17T03:24:56Z

zyyk78
Jan 17, 2025

Memory usage will always increas while opening 2 pylon cameras, but it only happens when you open theri video window, like this

After 5 min running:

After 10 min:

Here I m using a CameraCapture, but it also happens on PylonCapture.

Addition:
It won't leak when you close their windows, or just open 1 camera. I have tried on another normal USB Camer, but found no significant leaking while opening 2 normal usb camera, but it will leak with 1 normal usb camera+1 pylon camer.

It may be because of watching a large video flow?

(I always use the 600*800 video with 50 Hz )

Answered by zyyk78

Jan 23, 2025

That make sense！I didn't know that this library has requirements for a graphics acceleration card! I just noticed that the GPU on the laptop didn't have significant activity. 
I took the GPU card from my own PC for testing, and it seemed that the issue of increased memory usage disappeared.
So, does this mean that the Bonsai.Vision.Design library actually requires a ? Perhaps integrated graphics cards like the UHD Graphics 770 are not sufficient to support the required computational demands, leading to a backlog of images piling up in memory. But I don't saw this in any documentation.

View full answer

zyyk78 · 2025-01-17T03:26:42Z

zyyk78
Jan 17, 2025
Author

And the memory usage won't decrease when i stop the workflow, only closing the bonsai-rx program can release the memory

0 replies

bruno-f-cruz · 2025-01-17T05:08:28Z

bruno-f-cruz
Jan 17, 2025
Collaborator

Can you attach your bonsai.config please? May also be worth adding information on the machine you are using. We have used the pylon package for a while and we never saw anything like this.

0 replies

zyyk78 · 2025-01-17T06:33:19Z

zyyk78
Jan 17, 2025
Author

Here is my config, thanks!

<?xml version="1.0" encoding="utf-8"?>
<PackageConfiguration xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Packages>
    <Package id="Bonsai" version="2.8.5" />
    <Package id="Bonsai.Arduino" version="2.8.1" />
    <Package id="Bonsai.Audio" version="2.8.0" />
    <Package id="Bonsai.Core" version="2.8.5" />
    <Package id="Bonsai.Design" version="2.8.5" />
    <Package id="Bonsai.Design.Visualizers" version="2.8.0" />
    <Package id="Bonsai.Dsp" version="2.8.0" />
    <Package id="Bonsai.Dsp.Design" version="2.8.0" />
    <Package id="Bonsai.Editor" version="2.8.5" />
    <Package id="Bonsai.FFmpeg" version="0.1.0" />
    <Package id="Bonsai.Gui" version="0.1.0" />
    <Package id="Bonsai.Osc" version="2.7.0" />
    <Package id="Bonsai.Pylon" version="0.1.0" />
    <Package id="Bonsai.Scripting.Expressions" version="2.8.0" />
    <Package id="Bonsai.Scripting.Expressions.Design" version="2.8.0" />
    <Package id="Bonsai.Scripting.IronPython" version="2.8.0" />
    <Package id="Bonsai.Scripting.IronPython.Design" version="2.8.0" />
    <Package id="Bonsai.Shaders" version="0.27.0" />
    <Package id="Bonsai.Shaders.Design" version="0.27.0" />
    <Package id="Bonsai.StarterPack" version="2.8.1" />
    <Package id="Bonsai.System" version="2.8.1" />
    <Package id="Bonsai.System.Design" version="2.8.0" />
    <Package id="Bonsai.Vision" version="2.8.1" />
    <Package id="Bonsai.Vision.Design" version="2.8.1" />
    <Package id="Bonsai.Windows.Input" version="2.7.0" />
    <Package id="IronPython" version="2.7.5" />
    <Package id="IronPython.StdLib" version="2.7.5" />
    <Package id="jacobslusser.ScintillaNET" version="3.6.3" />
    <Package id="Markdig" version="0.18.1" />
    <Package id="Microsoft.Web.WebView2" version="1.0.1823.32" />
    <Package id="openal.redist" version="2.0.7" />
    <Package id="OpenCV.Net" version="3.4.2" />
    <Package id="OpenEphys.Commutator" version="0.2.0" />
    <Package id="OpenEphys.Miniscope" version="0.3.4" />
    <Package id="OpenEphys.Miniscope.Design" version="0.3.4" />
    <Package id="OpenTK" version="3.1.0" />
    <Package id="OpenTK.GLControl" version="3.1.0" />
    <Package id="RecInfo" version="0.1.0" />
    <Package id="Rx-Core" version="2.2.5" />
    <Package id="Rx-Interfaces" version="2.2.5" />
    <Package id="Rx-Linq" version="2.2.5" />
    <Package id="Rx-PlatformServices" version="2.2.5" />
    <Package id="SvgNet" version="3.3.3" />
    <Package id="System.Buffers" version="4.5.1" />
    <Package id="System.Linq.Dynamic" version="1.0.7" />
    <Package id="System.Memory" version="4.5.5" />
    <Package id="System.Numerics.Vectors" version="4.5.0" />
    <Package id="System.Resources.Extensions" version="8.0.0" />
    <Package id="System.Runtime.CompilerServices.Unsafe" version="4.5.3" />
    <Package id="Watch8080" version="0.1.0" />
    <Package id="YamlDotNet" version="13.1.1" />
    <Package id="ZedGraph" version="5.1.7" />
  </Packages>
  <AssemblyReferences>
    <AssemblyReference assemblyName="Bonsai" />
    <AssemblyReference assemblyName="Bonsai.Arduino" />
    <AssemblyReference assemblyName="Bonsai.Audio" />
    <AssemblyReference assemblyName="Bonsai.Core" />
    <AssemblyReference assemblyName="Bonsai.Design" />
    <AssemblyReference assemblyName="Bonsai.Design.Visualizers" />
    <AssemblyReference assemblyName="Bonsai.Dsp" />
    <AssemblyReference assemblyName="Bonsai.Dsp.Design" />
    <AssemblyReference assemblyName="Bonsai.Editor" />
    <AssemblyReference assemblyName="Bonsai.FFmpeg" />
    <AssemblyReference assemblyName="Bonsai.Gui" />
    <AssemblyReference assemblyName="Bonsai.Osc" />
    <AssemblyReference assemblyName="Bonsai.Pylon" />
    <AssemblyReference assemblyName="Bonsai.Scripting.Expressions" />
    <AssemblyReference assemblyName="Bonsai.Scripting.Expressions.Design" />
    <AssemblyReference assemblyName="Bonsai.Scripting.IronPython" />
    <AssemblyReference assemblyName="Bonsai.Scripting.IronPython.Design" />
    <AssemblyReference assemblyName="Bonsai.Shaders" />
    <AssemblyReference assemblyName="Bonsai.Shaders.Design" />
    <AssemblyReference assemblyName="Bonsai.System" />
    <AssemblyReference assemblyName="Bonsai.System.Design" />
    <AssemblyReference assemblyName="Bonsai.Vision" />
    <AssemblyReference assemblyName="Bonsai.Vision.Design" />
    <AssemblyReference assemblyName="Bonsai.Windows.Input" />
    <AssemblyReference assemblyName="OpenEphys.Commutator" />
    <AssemblyReference assemblyName="OpenEphys.Miniscope" />
    <AssemblyReference assemblyName="OpenEphys.Miniscope.Design" />
    <AssemblyReference assemblyName="RecInfo" />
    <AssemblyReference assemblyName="Watch8080" />
  </AssemblyReferences>
  <AssemblyLocations>
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    <AssemblyLocation assemblyName="Basler.Pylon" processorArchitecture="Amd64" location="Packages/Bonsai.Pylon.0.1.0/build/net45/bin/x64/Basler.Pylon.dll" />
    <AssemblyLocation assemblyName="Bonsai" processorArchitecture="MSIL" location="Packages/Bonsai.2.8.5/lib/net48/Bonsai.exe" />
    <AssemblyLocation assemblyName="Bonsai.Arduino" processorArchitecture="MSIL" location="Packages/Bonsai.Arduino.2.8.1/lib/net462/Bonsai.Arduino.dll" />
    <AssemblyLocation assemblyName="Bonsai.Audio" processorArchitecture="MSIL" location="Packages/Bonsai.Audio.2.8.0/lib/net462/Bonsai.Audio.dll" />
    <AssemblyLocation assemblyName="Bonsai.Core" processorArchitecture="MSIL" location="Packages/Bonsai.Core.2.8.5/lib/net462/Bonsai.Core.dll" />
    <AssemblyLocation assemblyName="Bonsai.Design" processorArchitecture="MSIL" location="Packages/Bonsai.Design.2.8.5/lib/net462/Bonsai.Design.dll" />
    <AssemblyLocation assemblyName="Bonsai.Design.Visualizers" processorArchitecture="MSIL" location="Packages/Bonsai.Design.Visualizers.2.8.0/lib/net462/Bonsai.Design.Visualizers.dll" />
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    <AssemblyLocation assemblyName="Bonsai.Scripting.IronPython" processorArchitecture="MSIL" location="Packages/Bonsai.Scripting.IronPython.2.8.0/lib/net462/Bonsai.Scripting.IronPython.dll" />
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    <AssemblyLocation assemblyName="Bonsai.Shaders" processorArchitecture="MSIL" location="Packages/Bonsai.Shaders.0.27.0/lib/net462/Bonsai.Shaders.dll" />
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    <AssemblyLocation assemblyName="Bonsai.System" processorArchitecture="MSIL" location="Packages/Bonsai.System.2.8.1/lib/net462/Bonsai.System.dll" />
    <AssemblyLocation assemblyName="Bonsai.System.Design" processorArchitecture="MSIL" location="Packages/Bonsai.System.Design.2.8.0/lib/net462/Bonsai.System.Design.dll" />
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  </LibraryFolders>
</PackageConfiguration>

RecInfo and Watch8080 are two scripts written by myself ( not used here )

0 replies

bruno-f-cruz · 2025-01-17T16:53:19Z

bruno-f-cruz
Jan 17, 2025
Collaborator

Can you try updating the package version to 0.3.0? You will also need to update the Pylon runtime to 7.1.0.

4 replies

zyyk78 Jan 21, 2025
Author

I just tried it, but still leaking...
This config can run on another laptop without leaking, but still cannot work well on my DELL OptiPlex Tower 7020 PC even after reinstalling windows system, it still leaks, I think it may be related to hardware??
Thanks!!

zyyk78 Jan 22, 2025
Author

These days i have tried more:

On dell PC ( i5-14500+16G RAM, no individual GPU), it will leak while opening more than 1 windows, and not only pylon, other normal cameras will leak, but very slow:

1min: 2.7％ 10 min: 8.0％ 40min: 24.0
I have tried on 2 DELL PC, But it won't leak on laptop ( ASUS TUF F15, i7-13620H+16GRAM+RTX4060Loptop) (GPU seems not used here), all software are new installed.

I have no idea with this strange problem at all.....It seems to be related to Bonsai.Vision.Design?

bruno-f-cruz Jan 22, 2025
Collaborator

Not sure I follow your conclusion. We have encountered rare cases where some computers cannot keep up with even simple acquisition pipelines. If the problem seems specific to a given computer model/configuration I would probably just stay away from using it, or try to upgrade parts until you find what is going on. Specifically, while I have never seen this before, I am wondering if the fact that you only get problems when visualizers are open (they use graphics acceleration) is somehow related. Any chance you can install a dedicated GPU in one of the machines to give it a try?

zyyk78 Jan 23, 2025
Author

That make sense！I didn't know that this library has requirements for a graphics acceleration card! I just noticed that the GPU on the laptop didn't have significant activity. 
I took the GPU card from my own PC for testing, and it seemed that the issue of increased memory usage disappeared.
So, does this mean that the Bonsai.Vision.Design library actually requires a ? Perhaps integrated graphics cards like the UHD Graphics 770 are not sufficient to support the required computational demands, leading to a backlog of images piling up in memory. But I don't saw this in any documentation.

Answer selected by zyyk78

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Memory leaking while viewing 2 videos #2112

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