Why is console output so slow?
问题 So I have noticed this while using a few differnt languages on Windows XP, Vista and 7. If you dump a couple thousand lines a second to the console window it generally has a negative impact on the performance of the system. Computer are fast, and always faster, and the console looks like just some text on a back ground. Where is the bottle neck? 回答1: printf etc has to go from your process with some sort of IPC to the Console window process (csrss or conhost) The console can also be shared