garbage collection of WorldObjects #160
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kushalkolar merged 11 commits intomasterfrom Apr 13, 2023
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GPU VRAM is freed by deleting the |
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GPU VRAM get freed perfectly. System RAM gets cleared to an extent, it doesn't keep growing which is the most important thing. There must be a lingering reference because we create data array in jupyter, and this is the data that we feed to |
clewis7
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Apr 11, 2023
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Follows up from #159
This implements:
WORLD_OBJECTSdict infastplotlib.graphics._baseused internally byfastplotlibto keep track of all pygfxWorldObjectinstances in a session.Graphicinstances only use a weak reference proxy to access theirWorldObjectusing their hex id. All references to world objects outside of this dict are via proxies.GRAPHICSdict infastplotlib.layouts._baseto keep track of allGraphicobjects, functions similar to the global world objects dict. All references to Graphic objects outside of this dict are via proxies. The variousplot.add_<graphic>methods only return proxies.Adds a
PlotArea.delete_graphic()method which is the only way that aGraphicshould be deleted. This also frees up GPU VRAM.GPU VRAM freed and tested for:
Image
Line
LineCollection
Scatter
[ ] Textwill do this later once text is more stabilizedHeatmap (new one)
Modify how
LineSlideris added inPlotAreabut don't need to check garbage collection since their memory footprint is very small. UPDATE: This isn't necessary,LineSlidercontinues to work.RAM freed and tested for: