"Nicolae Mihalache" <xproma...@gmail.com> wrote: > Hello, > > I'm a complete newbie in D and trying to compare with Java. I > implemented a simple test for measuring the throughput in message > passing between threads. I see that Java can pass about 4mil > messages/sec while D only achieves 1mil/sec. I thought that D should > be faster. > > The messages are simply integers (which are converted to Integer in Java). > > The two programs are attached. I tried compiling the D version with > both dmd and gdc and various optimization flags. > > mache
Hi, I downloaded your two programs, I didn't run them but noticed that in 'mp.d' you have n set to 100_000_000, while in 'ThroughputMpTest.java' n is set to 10_000_000, so with this D code is 10/4 = 2.5 times faster :)
