* Zhang, Yanmin <[EMAIL PROTECTED]> wrote: > Although no source codes of volanoMark, I suspect it calls > Thread.sched. volanoMark is a kind of chatroom benchmark. When a > client sends out a message, server will send the message to all > clients. I suspect the client calls Thread.yield after sending out a > couple of messages.
yeah, so far only volanomark seems to be affected by this, and if it indeed calls Thread.yield artificially it's a pretty stupid benchmark and it's not the fault of the JDK. If we had the source to volanomark we could fix this easily. > 2 JVM all have regression if sched_compat_yield=0. > > I ran some testing, such like iozone/specjbb/tbench/dbench/sysbench, > and didn't see regression. which JVM was utilized by the specjbb (Java Business Benchmark) tests? Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/