Re: [Discuss-gnuradio] Problems when using a FFT block with 5e6 points

2019-05-28 Thread Michael Dickens
Hi Florian - My initial thoughts are: why 5e6 points (so many!), and how are you accumulating that many points inside GR? In order to get that many points accumulated, you'll need to set the I/O buffering on the FFT block to at least that number of items, and probably more -- not impossible, but

[Discuss-gnuradio] Problems when using a FFT block with 5e6 points

2019-05-28 Thread Anderl, Florian
GNU C++ version 8.2.0; Boost_106501; UHD_3.14.0.HEAD-0-g6875d061 GNUradio version: 3.7.13.4 USRP hardware: B210 Dear all, for my flowgraph I need an FFT with 5e6 or more points. My problem is that my flow graph is not executing, more precisely it seems to block when allocating the memory fo