Hello everyone,
I have 8 b205mini devices, and I use uhd::usrp::multi_usrp::make(...)
I try to read from each device from different thread
When I run the profiler what I see is that libusb has single thread that do
polling !
When I run 8 applications each in different process my performance is OK. Since
I really have multiple contexts ( libusb polling ) receiving data.
Here is peace of code I run for each USRP device:
sprintf ( args,
"type=b200,enable_user_regs,serial=%X,master_clock_rate=%d,recv_buff_size=%d,fpga=%s",
this->Id,
( int ) MaxMasterClockRate,
( int ) RECV_BUFFER_SIZE_BYTES,
fpga_path );
_usrp = uhd::usrp::multi_usrp::make ( uhd::device_addr_t ( args ) );
// configuration ....
_stream = _usrp->get_rx_stream ( stream_args );
I have 8 streamers objects each in its own thread, doing
_stream->recv ( ... ) call
Will appreciate any help.
Roma M.
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