基于opengl实现的三维视锥裁减的一个小示例。由这个示例可以看出视锥体裁减对于提高显示速度的重要性。-on opengl achieve 3D cone reduction of a small sample. From this example can be seen as the cone reduction in the rate of increase shows importance.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002061s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.086509s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002758s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003348s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002798s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.006018s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002712s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006374s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.023723s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002472s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 183285 [ RunTime:0.001259s ]
