From de45f2234ca7ce8a1efd79525323bef55f1f9d44 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 22 Dec 2010 16:02:09 -0800 Subject: udp_ports: enable async recv in xport, set performance params in top level, things working --- host/lib/transport/udp_zero_copy_asio.cpp | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'host/lib/transport/udp_zero_copy_asio.cpp') diff --git a/host/lib/transport/udp_zero_copy_asio.cpp b/host/lib/transport/udp_zero_copy_asio.cpp index c758fa894..bbd63836c 100644 --- a/host/lib/transport/udp_zero_copy_asio.cpp +++ b/host/lib/transport/udp_zero_copy_asio.cpp @@ -37,14 +37,15 @@ namespace asio = boost::asio; **********************************************************************/ //Define this to the the boost async io calls to perform receive. //Otherwise, get_recv_buff uses a blocking receive with timeout. -//#define USE_ASIO_ASYNC_RECV +#define USE_ASIO_ASYNC_RECV //Define this to the the boost async io calls to perform send. //Otherwise, the commit callback uses a blocking send. //#define USE_ASIO_ASYNC_SEND -//enough buffering for half a second of samples at full rate on usrp2 -static const size_t MIN_RECV_SOCK_BUFF_SIZE = size_t(4 * 25e6 * 0.5); +//By default, this buffer is sized insufficiently small. +//For peformance, this buffer should be 10s of megabytes. +static const size_t MIN_RECV_SOCK_BUFF_SIZE = size_t(10e3); //Large buffers cause more underflow at high rates. //Perhaps this is due to the kernel scheduling, -- cgit v1.2.3