Re: [Mingw-users] Windows Console applications are noticeable slower than Windows applications?

[Zorro <hz...@gm...>]

Tor Lillqvist wrote:
>> However no error/debugging information was written to
>> 'std::cerr'/'std::cout'.
>>     
> Or more correctly, it was written, but those C++ streams weren't
> connected to anything, so nothing showed up anywhere, especially not
> in the console, from which you presumably started the program? If you
> would have redirected the program's standard output and standard error
> to a file (or piped them to "more" for instance), your would have seen
> the debug information.
>   
Indeed I did start my program from a console and didn't see any 
information written to the console.

>> After finding my mistake using '-m windows' instead of '-m console' in
>> the makefile I did a rebuild of my application and noticed it had become
>> several magnitudes slower!
>>     
>
> Is the "console" exectuable writing debugging information that indeed
> shows up on the console, while the "windows" executable just tries to
> write such information but it doesn't show up anywhere? Isn't the
> reason for the perceived speed difference then clearly that it's the
> output to the console window, including scrolling it, that is slowing
> the "console" program down?
>   
No!

When calling my program without parameters it would write a 'Usage: ...' 
line to the console or
when calling it with erroneous parameters it would write an error 
message to the console.

> What happens if you redirect the standard output and error of both
> executables to a file? Do you still see a speed difference?
>   
No then I do see (as expected) the same speed difference!

Btw thnx for reacting.
Harm-Jan Zwinderman