衡量计算机运算速度的单位是什么

页面:/news/view-111495/ | 耗时:0.6819 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=111495 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=111495 LIMIT 0,1
select * from tbl_Articles_sphinx where id=111495 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2390057,1073076,1099553,1110157,981848,1063805,1076277,1054674,2555445,1107062,1072903,1044867,1054136,1070997,1091097,1053752,1065917,1068258,1095319,1045825,1054358,1100795,1120801,1086063,1132859,1081411,1067035,999794,1084083,1062346) ORDER BY field (ArticleID,2390057,1073076,1099553,1110157,981848,1063805,1076277,1054674,2555445,1107062,1072903,1044867,1054136,1070997,1091097,1053752,1065917,1068258,1095319,1045825,1054358,1100795,1120801,1086063,1132859,1081411,1067035,999794,1084083,1062346)