参考自:https://www.cnblogs.com/qinguoyi/p/7251305.html 出处: darknet在cpu上进行CNN计算时。 Code: void gemm_nn(int M, int N, int K, float ALPHA, float *A, int lda, float *B, int ldb,float *C, int ldc){int i,j,k
select /*+ parallel (8)*/ distinct COL from XX COL 1 2 3 4 5 6 --- 6个分区有数据 with ps as (select inst_id, sid, serial#, qcsid, qcserial# from GV$px_session where qcserial# is n
一. db file parallel write 等待事件 引自如下blog: http://oradbpedia.com/wiki/Wait_Events_-_db_file_parallel_write db file parallel write The db file parallel write wait event belongs to the Or
hive.exec.parallel参数控制在同一个sql中的不同的job是否可以同时运行,默认为false. 下面是对于该参数的测试过程: 测试sql: select r1.afrom (select t.a from sunwg_10 t join sunwg_10000000 s on t.a=s.b) r1 join (select s.b from sunwg_100000 t