Back to General and Gameplay Programming

My sockets are as fast as pipes..

codingJoe · 2014-04-17T06:08:47

Hello, For an IPC I used sockets for a long time. That's convenient and relatively fast. Then I thought, at least when the 2 processes are on the same machine, that I could gain speed by using pipes instead. My idea of pipes was that they were using shared memory. But it turns out that my pipe communication is as slow as my socket communication. How can that be? Am I doing something wrong? Currently, I have implemented the pipes on Windows, but if I can obtain a speed increase, I also want to do this on Linux. Here my pipe implementation, client side: // connect to an existing pipe: HANDLE pipe=CreateFile("\\\\.\\Pipe\\myPipe",GENERIC_READ|GENERIC_WRITE,0,0,OPEN_EXISTING,0,0); // Write something: DWORD bytesWritten; WriteFile(pipe,buffer,bufferSize,&bytesWritten,0) // Read something: DWORD bytesRead; ReadFile(pipe,buffer,bufferSize,&bytesRead,0) And here my pipe implementation, server side: // Create the pipe: HANDLE pipe=CreateNamedPipe("\\\\.\\Pipe\\myPipe",PIPE_ACCESS_DUPLEX,PIPE_TYPE_BYTE|PIPE_READMODE_BYTE|PIPE_WAIT,PIPE_UNLIMITED_INSTANCES,3000000,3000000,NMPWAIT_USE_DEFAULT_WAIT,NULL); // Connect to client: if (_pipe!=INVALID_HANDLE_VALUE) ConnectNamedPipe(_pipe,NULL); // Read and write from client is implemented in the same was as for the client read/write routines Anything I am doing wrong?

General and Gameplay Programming Programming

Started by codingJoe April 14, 2014 06:47 PM

7 comments, last by Krohm 10 years ago

Krohm

5,051

April 17, 2014 06:08 AM

When I have needed ultra-high bandwidth or ultra-low latency on Windows, I use shared memory, knowing the solution is not portable. In all other cases I use sockets because they are:
* Usually plenty fast
* Completely portable

I'd also add

* can be put in select(), thus allowing to wake a IO thread. Windows can do that anyway using WaitForMultipleObjects() but I'm not aware of a *nix equivalent. Suggestions welcome!

Previously "Krohm"

My sockets are as fast as pipes..

This topic is closed to new replies.

Popular Topics

Recommended Tutorials

My sockets are as fast as pipes..

This topic is closed to new replies.

Popular Topics

Recommended Tutorials

Reticulating splines