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Adding a GUI to Go
Matthias Nösner
Software Engineer
@benchkram.de
1
Electron
● NodeJs Framework
● Controls Chromium
● Bundles to installable application
=> Write Desktop Apps using Web Technology
2
Apps Based On Electron
● Visual Studio Code
● Atom
● Slack
● Microsoft Teams
● Postman
● etc..
3
4
5
6
Where Does This Come From?
● Increased memory footprint
● Increased application size
● Increased CPU usage
(solved)
7
Electron Process Model
Electron Main Process
nodejs
Electron Render Process
BrowserWindow
nodejs / js
8
Chromium
Multi-Process
Architecture
https://www.chromium.org/developers/design-documents/multi-process-architecture
● Main Process ~ 130MB RAM
● Render Process ~ min. 40MB RAM
● Memory usage of your application
9
Where Does This Come From?
● Increased memory footprint (~170Mb)
● Application size
(~130Mb)
● CPU Usage
(solved)
10
Considerations When Using Electron
Development Speed
vs.
Application Size and Memory Footprint
11
Gotron
https://github.com/Equanox/gotron
● Go Api for Electron.
● Gives you control of BrowserWindows
behaviour through Go ⇔ NodeJS bridge
● Websocket to share state with UI
● Bundles executables using gotron-
builder
12
Live Coding
13
Future Improvements
● Full Electron API coverage
● Type/Msg Exporter Go => JS/Typescript
● IPC with Render Process
14
Matthias Nösner
@matnosner
github.com/Equanox
15
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Adding a GUI to Go

Editor's Notes

  • #6: Slack needed between 130 - 980 Mb of memory. For each team you were logged in a new render process was started. Synchronization between render processes (redux store).
  • #7: Zerge Zaitsev - Developer @Sixt