[Mono-bugs] [Bug 673611] New: [Regression] TreeView nearly unusable, incredible bad performance

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Sun Feb 20 04:29:23 EST 2011



           Summary: [Regression] TreeView nearly unusable, incredible bad
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.10.x
          Platform: x86
        OS/Version: openSUSE 11.3
            Status: NEW
          Severity: Critical
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: andreas.flucke at t-online.de
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

User-Agent:       Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1;
Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729;
Media Center PC 6.0; .NET4.0C; .NET4.0E)

On my 3GHz machine a Treeview with 1e5 nodes (attachment) is created and drawn
in approx. 1 second on the 2.10 Windows mono implementation.
On Linux it takes approx. 6 minutes (!) to do that.
I've checked against 2.6.7, where it was done in below one second.
When using in my app for showing assembly structures, it drives the whole
(Linux) in an inoperatable state (other apps are not responding any more).
So i tend to see this as critical.

Reproducible: Always

Steps to Reproduce:

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