

Thus, each time a new map loads up, you can get a noticeable performance boost if you change the r_picmip value from its current value, use the r_applypicmip command, and then reset the r_picmip setting back to its desired value and again use r_applypicmip.

In what happens to be an excellent (and now well-known) discovery, myshkinbob over at the NVNews Forums discovered two important facts regarding Call of Duty 2's performance under DX9.
