* 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/

Reply via email to