PrintToPDF being slower after upgrade CEF from V57 to V75

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PrintToPDF being slower after upgrade CEF from V57 to V75

Postby kaz » Tue Nov 05, 2019 10:25 pm

I have a cloud hosted service that uses CEFSharp( a .Net wrapped version of CEF ) Offscreen, to render webpages on the server based on requests, then print into pdf using the BrowserHost.PrintToPdf function.

Previously the CEFSharp was on version V 57.0.0.0 and the average duration of PrintToPdf function call was around 200 ms; Recently I upgrade the CEFSharp reference to V 75.1.142.0, and noticed the PrintToPdf average duration has significantly increased, now around 1300 ms.

What could be the related changes that caused the slowdown of PrintToPDF from V57 to V75? Any parameters that can be set to make the perf better? Thanks.
kaz
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