This blog post discusses the parallel signal sending optimization that recently got merged into the master branch (scheduled to be included in Erlang/OTP 25). The optimization improves signal sending throughput when several processes send signals to a single process simultaneously on multicore machines. At the moment, the optimization is only active when one configures the receiving process with the {message_queue_data, off_heap} setting. The following figure gives an idea of what type of sca...
