On Wednesday 30 May 2007 05:59, Antonino Ingargiola wrote: > 2007/5/29, Antonino Ingargiola <[EMAIL PROTECTED]>: > [cut] > > > Swap Prefetch OFF > > # ./sp_tester > > Ram 776388000 Swap 514040000 > > Total ram to be malloced: 1033408000 bytes > > Starting first malloc of 516704000 bytes > > Starting 1st read of first malloc > > Touching this much ram takes 1642 milliseconds > > Starting second malloc of 516704000 bytes > > Completed second malloc and free > > Sleeping for 60 seconds > > Important part - starting reread of first malloc > > Completed read of first malloc > > Timed portion 9089 milliseconds > > > > > > Swap Prefetch OFF > > # ./sp_tester > > Ram 776388000 Swap 514040000 > > Total ram to be malloced: 1033408000 bytes > > Starting first malloc of 516704000 bytes > > Starting 1st read of first malloc > > Touching this much ram takes 1635 milliseconds > > Starting second malloc of 516704000 bytes > > Completed second malloc and free > > Sleeping for 60 seconds > > Important part - starting reread of first malloc > > Completed read of first malloc > > Timed portion 1783 milliseconds > > The second case is clearly with swap prefetch *ON*, sorry.
Thanks very much for testing! The patch has been taken up by Andrew for the next -mm. どうも -- -ck - 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/
