You need to encode once to a byte array then send the byte array on each connection.
> On Dec 23, 2020, at 3:45 PM, meera <lordhowen...@gmail.com> wrote: > > > I am trying to create a package for game servers using gob. The current > approach is an application level multicasting over TCP, having a gob encoder > and decoder for each player connection, and set up a goroutine to receive and > another to dispatch for each one. The code for the dispatcher is here. But > summarized, it simply receives data from a channel and encodes it. > > The problem is that if i want to transmit a single piece of data to all > players, this piece of data is encoded again and again for each connection, > doing duplicate work. With less than 100 players this is not a problem, but > with 300+ my machine is at almost 100% usage and the profiler shows that most > of it is spent on encoding. Here's the issue on github. > > I tryied using a io.MultiWriter but gob complains of duplicate type received, > and if i try to write the raw bytes from the gob.Encoder i get corrupted > data. An option is using UDP Broadcasting but since gob expects a stream, i'm > affraid i will run into unexpected behavior when packets start to be lost and > fragmented. > > Does gob expect a single encoder and decoder to own the stream? Not allowing > two encoders on the server for one decoder on the client? > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/0562184e-bbcc-44c9-adbf-37e8d5411c7cn%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/694AAB7E-029B-4250-8758-D22E3719928A%40ix.netcom.com.