FilterbankCUDA

Initialization

FilterbankCuda.C - FilterbankEngine::setup

• filterbank->get_nchan returns number of Output channels of the filterbank
• filterbank->get_input->get_nchan returns number of channels of the input, but this is not generally available in the engine

Want:

• nchan_in = filterbank->get_input->get_nchan
• nchan_out = filterbank->get_nchan
• nchan_sub = nchan_out/nchan_in

For each ipart For each nchan_in For each ipol Do forward fft of size appropriate for kernel (kernlen get kernel(ichan_in,ipol) multiply kernel For each nchan_sub: Do reverse fft of size kernlen/nchan_sub Copy good part of data to output