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Higher RAM usage in NETCore #4716

Description

@Schnutzel

Is there an existing issue for this?

  • I have searched both open/closed issues, no issue already exists.

CefSharp Version

120.2.50

Operating System

Windows 11

Architecture

x86

.Net Version

.NET 6.0

Implementation

WinForms

Reproduction Steps

Create minimal application that uses CefSharp and build it both for .NET Framework and .NET Core.

Expected behavior

Both versions should take a similar amount of RAM.

Actual behavior

There's a 20-30% difference between the two versions' working set.

See this table (taken from Process Explorer):

.NET 6:

Process name Private Bytes Working Set
Chromium.exe 37,292 K 99,908 K
CefSharp.BrowserSubprocess.exe 101,244 K 85,808 K
CefSharp.BrowserSubprocess.exe 21,888 K 34,820 K
CefSharp.BrowserSubprocess.exe 23,264 K 42,092 K
CefSharp.BrowserSubprocess.exe 25,764 K 43,848 K
CefSharp.BrowserSubprocess.exe 28,040 K 58,440 K

.NET 4.7.2:

Process name Private Bytes Working Set
Chromium.exe 35,532 K 80,800 K
CefSharp.BrowserSubprocess.exe 103,972 K 75,220 K
CefSharp.BrowserSubprocess.exe 21,380 K 32,504 K
CefSharp.BrowserSubprocess.exe 20,404 K 25,964 K
CefSharp.BrowserSubprocess.exe 24,264 K 34,704 K
CefSharp.BrowserSubprocess.exe 26,220 K 48,696 K

This increases even further when I actually start browsing in either program.

Regression?

No response

Known Workarounds

No response

Does this problem also occur in the CEF Sample Application

Not Tested

Other information

No response

Activity

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