tcp_not_use_nodelay  150 opal/mca/btl/tcp/btl_tcp.h     int    tcp_not_use_nodelay;
tcp_not_use_nodelay  278 opal/mca/btl/tcp/btl_tcp_component.c                                     0, OPAL_INFO_LVL_4, &mca_btl_tcp_component.tcp_not_use_nodelay);
tcp_not_use_nodelay  643 opal/mca/btl/tcp/btl_tcp_endpoint.c     optval = !mca_btl_tcp_component.tcp_not_use_nodelay;