發送短信 : A study of simulation performance based on event orderings

 ______      ___      _____      ___       _____  
|      \\   / _ \\   /  ___||   / _ \\    / ___// 
|  --  //  / //\ \\ | // __    | / \ ||   \___ \\ 
|  --  \\ |  ___  ||| \\_\ ||  | \_/ ||   /    // 
|______// |_||  |_|| \____//    \___//   /____//  
`------`  `-`   `-`   `---`     `---`   `-----`