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From: Harald Oehlmann <wortkarg3@yahoo.com>
Newsgroups: comp.lang.tcl
Subject: Re: Performance and Memory issues with Windows 11
Date: Fri, 28 Feb 2025 10:36:02 +0100
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Am 07.02.2025 um 14:25 schrieb Harald Oehlmann:
> Dear Tcl/Tk group,
> 
> is anybody aware of any issues with Windows 11?
> 
> I updated my laptop from Windows 10 to Windows 11 and all Tcl programs 
> feel 10 times slower.
> They are apparently waiting for something I don't know.
> A client reports of an error box "unable to realloc 90500 bytes" which 
> apprears after a day of not using the program.
> 
> This is TCL 8.6.16 (or 8.6.13 in the client case) compiled with MS-VC6.
> I know, the move to TCL 9 and a more recent compiler is pending.
> 
> Does anybody has an idea here?
> 
> Thanks for all,
> Harald

Thanks for all the replies.
I was still using TCL 8.6.13 32 bit starkits (from Ashok), extensions 
compiled with MS-VC6.
I am making first steps with TCL/Tk 9 and x64 platform, compiled by VS2022.
The increased speed is AMAZING !
It feels like 5 times faster.

Specially, file write often took a long sleep. This is gone.

Thanks for all this awesome work!
Harald