On Tue, 11 Feb 2003 09:02:10 CST, Tim Flechtner <timf trdlnk com> said: > i am writing a trading application that displays updates to financial > contracts in real time, using a TreeView widget. there can be four to > five hundred updates coming in a second, and under this load my > application takes about 60% of the cpu time of my dual processor 2.53 Optimization: The screen refresh is almost certainly 75 times a second or less, and you can almost certainly get away with actually updating only 20-30 times a second. > through experimentation, i noticed that when i commented out > the code which updates text in its various columns (but all the other > processing, and rendering of colors still occurs), my cpu usage falls to 2%. Try adding code that says "only update the text every 20 data updates, or at most 20 times a second".
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