Re: [PATCH 0/4] sched: fork/exec/wake clean up
On 12/05/2012 03:09 PM, Alex Shi wrote: > On Mon, Dec 3, 2012 at 9:54 PM, Alex Shi wrote: >> This patchset try to clean up select_task_rq_fair which used for >> fork/exec/wake scheduling. >> >> With this patchset, our system NHM EX and SNB EP 4 socket machine >> has 10% hackbench performance increase. > > Any comments for this patchset? Nick & Ingo: Would you like to give some comments for this? CC to more experts :) Thanks! Alex >> >> Regards >> Alex >> >> [PATCH 01/4] sched: select_task_rq_fair clean up >> [PATCH 02/4] sched: fix find_idlest_group mess logical >> [PATCH 03/4] sched: don't need go to smaller sched domain >> [PATCH 04/4] sched: remove domain iterations in fork/exec/wake >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majord...@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ > > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 0/4] sched: fork/exec/wake clean up
On 12/05/2012 03:09 PM, Alex Shi wrote: On Mon, Dec 3, 2012 at 9:54 PM, Alex Shi alex@intel.com wrote: This patchset try to clean up select_task_rq_fair which used for fork/exec/wake scheduling. With this patchset, our system NHM EX and SNB EP 4 socket machine has 10% hackbench performance increase. Any comments for this patchset? Nick Ingo: Would you like to give some comments for this? CC to more experts :) Thanks! Alex Regards Alex [PATCH 01/4] sched: select_task_rq_fair clean up [PATCH 02/4] sched: fix find_idlest_group mess logical [PATCH 03/4] sched: don't need go to smaller sched domain [PATCH 04/4] sched: remove domain iterations in fork/exec/wake -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 0/4] sched: fork/exec/wake clean up
On Mon, Dec 3, 2012 at 9:54 PM, Alex Shi wrote: > This patchset try to clean up select_task_rq_fair which used for > fork/exec/wake scheduling. > > With this patchset, our system NHM EX and SNB EP 4 socket machine > has 10% hackbench performance increase. Any comments for this patchset? > > Regards > Alex > > [PATCH 01/4] sched: select_task_rq_fair clean up > [PATCH 02/4] sched: fix find_idlest_group mess logical > [PATCH 03/4] sched: don't need go to smaller sched domain > [PATCH 04/4] sched: remove domain iterations in fork/exec/wake > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Thanks Alex -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 0/4] sched: fork/exec/wake clean up
On Mon, Dec 3, 2012 at 9:54 PM, Alex Shi alex@intel.com wrote: This patchset try to clean up select_task_rq_fair which used for fork/exec/wake scheduling. With this patchset, our system NHM EX and SNB EP 4 socket machine has 10% hackbench performance increase. Any comments for this patchset? Regards Alex [PATCH 01/4] sched: select_task_rq_fair clean up [PATCH 02/4] sched: fix find_idlest_group mess logical [PATCH 03/4] sched: don't need go to smaller sched domain [PATCH 04/4] sched: remove domain iterations in fork/exec/wake -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ -- Thanks Alex -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 0/4] sched: fork/exec/wake clean up
This patchset try to clean up select_task_rq_fair which used for fork/exec/wake scheduling. With this patchset, our system NHM EX and SNB EP 4 socket machine has 10% hackbench performance increase. Regards Alex [PATCH 01/4] sched: select_task_rq_fair clean up [PATCH 02/4] sched: fix find_idlest_group mess logical [PATCH 03/4] sched: don't need go to smaller sched domain [PATCH 04/4] sched: remove domain iterations in fork/exec/wake -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 0/4] sched: fork/exec/wake clean up
This patchset try to clean up select_task_rq_fair which used for fork/exec/wake scheduling. With this patchset, our system NHM EX and SNB EP 4 socket machine has 10% hackbench performance increase. Regards Alex [PATCH 01/4] sched: select_task_rq_fair clean up [PATCH 02/4] sched: fix find_idlest_group mess logical [PATCH 03/4] sched: don't need go to smaller sched domain [PATCH 04/4] sched: remove domain iterations in fork/exec/wake -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/