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:0.001112s ]
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:0.077745s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001086s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003041s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000971s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001304s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 128320 [ RunTime:0.017213s ]
