Using MPI_Bcast for MPI communication

This is a common source of confusion for people new to MPI. You don’t use MPI_Recv() to receive data sent by a broadcast; you use MPI_Bcast(). Eg, what you want is this: #include <mpi.h> #include <stdio.h> int main(int argc, char** argv) { int rank; int buf; const int root=0; MPI_Init(&argc, &argv); MPI_Comm_rank(MPI_COMM_WORLD, &rank); if(rank == … Read more

WebRTC – scalable live stream broadcasting / multicasting

As it was pretty much covered here, what you are trying to do here is not possible with plain, old-fashionned WebRTC (strictly peer-to-peer). Because as it was said earlier, WebRTC connections renegotiate encryption keys to encrypt data, for each session. So your broadcaster (B) will indeed need to upload its stream as many times as … Read more

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