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Massively Degraded WebGPU performance #11220
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C-BugAn unexpected or incorrect behaviorAn unexpected or incorrect behaviorC-PerformanceA change motivated by improving speed, memory usage or compile timesA change motivated by improving speed, memory usage or compile timesO-WebGPUSpecific to the WebGPU render APISpecific to the WebGPU render API
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C-BugAn unexpected or incorrect behaviorAn unexpected or incorrect behaviorC-PerformanceA change motivated by improving speed, memory usage or compile timesA change motivated by improving speed, memory usage or compile timesO-WebGPUSpecific to the WebGPU render APISpecific to the WebGPU render API
Bevy version
main#cf70f532Relevant system information
Windows 11, Chrome
What you did
Even a basically empty application has severely degraded performance on
mainon WebGPU. The following:Results in a profile that looks like this:
That
prepare_windowssystem is one of the culprits but generally speaking just everything is taking ages.If I instead build against the
0.12.1release on crates.io, I get a clean profile:Something has clearly gone awry.