console scroll speed on Win XP
Sun Mar 1 22:58:00 GMT 2009
> Date: Sun, 1 Mar 2009 16:35:31 -0500
> Subject: Re: console scroll speed on Win XP
> From: firstname.lastname@example.org
> To: email@example.com
> On Sun, Mar 1, 2009 at 3:54 PM, Mike Marchywka wrote:
>>>> Is there some option to turn off to make this reasonable or has anyone
>>>> else seen this problem? I set display options to maximize performance
>>>> and there don't seem to be any options available for the cygwin window
>>>> that would help.
>>> Yep, the Windows console is slow alright, and I don't know of any way
>>> to speed it up. What I can recommend are the alternative terminal
>>> emulators available in Cygwin: xterm, rxvt, and the recently added
>>> mintty (by yours truly), all of which scroll a lot faster than the
>>> (Please note that all three share one drawback though: native Windows
>>> console programs might not work correctly in them, particularly
>> What is wrong with the native apps ? I use them in some scripts
>> but usually not interactively. I don't normally care about text
>> formatting if output is just a bit different.
> IO buffering won't work the way they expect when they don't have a
> real console. So, you wind up with weird conditions like the program
> waiting for input after printing out a prompt - but the app didn't
> call fflush(), so the prompt hasn't actually been displayed, but it's
> still waiting for you to answer the question. Using them in a
> scripted way should work fine, it's just interactive usage that you
> would expect to be broken.
I guess there could be some constraints MSFT ran into due to
the way they wanted to do interactive buffering but still.
ok, that should be fine. I just ran cat in mintty and
it is very fast- still maxes out CPU but it is doing a lot and
fully 1/2 the time seems to be kernel time.
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