卷积码viterbi译码的蝶形算法，可以大大减少卷积码viterbi译码的运算时间-Convolutional codes decoding viterbi butterfly algorithm, convolutional codes can greatly reduce the computing time for viterbi decoding
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001470s ]
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:0.103642s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001169s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002150s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001244s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003747s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001001s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003565s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015021s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001250s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 128320 [ RunTime:0.001322s ]
