In my experience Go is probably 5-10x faster than C or C++. I estimate that programs that take me half an hour to write in Go would take me about 2½ hours in C

In my experience Go is probably 5-10x faster than C or C++. I estimate that programs that take me half an hour to write in Go would take me about 2½ hours in C and 5 hours in C++. (If you meant CPU speed, http://blog.golang.org/2011/06/profiling-go-programs.html http://blog.golang.org/2011/06/profiling-go-programs.html :-)