Magnus Holmgren wrote:
Stopping the firewall service does not help.
Only stopping the driver ("sc stop khips") or uninstalling KPF helps.
Interesting. Didn't know it could be turned off more effectively.
Stopping khips.sys after login apparently affects system stability
(crash of winlogon.exe)
khips reports itself to be STOPPABLE, but obviously is not designed to
be stopped.
So the only clean way to get Cygwin fast again, is to disable the 2
firewall drivers and the service and reboot (or uninstall KPF).
I sent a support request yesterday.
Unfortunately, that doesn't fix all of the slowdown KPF causes for me.
I think the program file checksumming done in the application behavior
blocking causes the rest (making my test case take almost twice as
long to run, even with the behavior blocking turned off). Didn't find
any service to really disable that.
I've seen an additional ~10% slowdown when file checksumming is enabled.
No big deal compared to the more than x10 slowdown from the khips driver.
Christian
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