When running on slow hardware, the framerate can drop until the game update loop will reach MAX_FRAMESKIP.
但运行在低速的硬件下时,帧速率会下降直到游戏更新循环抵达MAX_FRAMESKIP。
Update bills (5 seconds); sequential scan of bills with a nested loop read of bill_items.
更新bills(5秒);利用对bill_items的循环嵌套读取来顺序扫描。
Update bill_items (58 seconds); sequential scan of bill_items with a nested loop read of customer.
更新bill_items(58秒);利用对customer的嵌套循环读取,来顺序扫描bill_items。
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