Dieharder是一个 测试一序列伪随机数的随机性能的测试套件，包括：生日间隔测试，在一个字节流中计算1的测试，最短距离测试,随机范围测试,和重叠测试,跑上测试,跑下测试,双骰子测试等等
-Dieharder is a random number generator (rng) testing suite.It includes,Birthday spacings test,, Overlapping permutations test,
Ranks of matrices test,Count the 1s,Parking lot test,Minimum distance test and so on.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002262s ]
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:0.071984s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001529s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001957s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001387s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005366s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001454s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007045s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015749s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001192s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 262384 [ RunTime:0.017482s ]
