Re: printf() overhead

[Andre Tomt]

John Richard Moser wrote:
> using strace to run a program takes aeons.  Redirecting the output to a
> file can be a hundred times faster sometimes.  This raises question.
>
> I understand that output to the screen is I/O.  What exactly causes it
> to be slow, and is there a possible way to accelerate the process?

The terminal is a major factor; gnome-terminal for example can be 
*extremely* slow.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/