* Siddha, Suresh B <[EMAIL PROTECTED]> wrote: > They might be doing more exec's and probably covered by exec balance. > > There was a small pthread test case which was calculating the time to > create all the threads and how much time each thread took to start > running. It appeared as if the threads ran sequentially one after > another on a DP system with four cores leading to this SD_BALANCE_FORK > observation.
would be nice to dig out that testcase i suspect and quantify the benefits of your patch. Another workload which might perform better would be linpack: it benefits from fast and immediate 'spreading' of freshly forked threads. 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/