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Re: No, really, stop trying to delete slab until you've finished making slub perform as well

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From: Rene Herman
Subject: Re: No, really, stop trying to delete slab until you've finished making slub perform as well
Date: Monday, August 4, 2008 - 4:09 pm

On 04-08-08 23:41, Christoph Lameter wrote:


I see. Just gathered a bit of data on this (from sandpile.org):

32-byte lines:

P54 : L1 I 8K,            2-Way
          D 8K,            2-Way
       L2 External

P55 : L1 I 16K,           4-Way
          D 16K,           4-Way
       L2 External

P2  : L1 I 16K            4-Way
          D 16K            4-Way
       L2 128K to 2MB      4-Way

P3  : L1 I 16K            4-Way
          D 16K            4-Way
       L2 128K to 2MB      4-Way or
          256K to 2MB      8-Way

64-byte lines:

P4  : L1 I 12K uOP Trace  (8-Way, 6 uOP line)
          D  8K            4-Way or
            16K            8-Way
       L2 128K             2-Way or
          128K, 256K       4-Way or
          512K, 1M, 2M     8-Way
       L3 512K             4-Way or
          1M to 8M         8-Way or
          2M to 16M       16-Way

Core: L1 I 32K            8-Way
          D 32K            8-Way
       L2 512K             2-Way or
          1M               4-Way or
          2M               8-Way or
          3M              12-Way or
          4M              16-Way

K7  : L1 I 64K            2-Way
          D 64K            2-Way
       L2 512, 1M, 2M      2-Way or
          4M, 8M           1-Way or
          64K, 256K, 512K 16-Way

K8  : L1 I 64K            2-Way
          D 64K            2-Way
       L2 128K to 1M      16-Way


The L1 on K7 and K8 especially seems still a bit of worry here.


<remains silent>

To me, colouring always seemed like a fairly promising thing but I won't 
pretend to have any sort of data.

Rene.
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[patch 00/19] Slab Fragmentation Reduction V13, Christoph Lameter, (Fri May 9, 7:21 pm)
No, really, stop trying to delete slab until you've finish ..., Matthew Wilcox, (Sat Aug 2, 6:58 pm)
Re: No, really, stop trying to delete slab until you've fi ..., Pekka Enberg, (Sun Aug 3, 2:25 pm)
Re: No, really, stop trying to delete slab until you've fi ..., Rene Herman, (Sun Aug 3, 7:37 pm)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Mon Aug 4, 6:43 am)
Re: No, really, stop trying to delete slab until you've fi ..., Jamie Lokier, (Mon Aug 4, 7:48 am)
Re: No, really, stop trying to delete slab until you've fi ..., Rik van Riel, (Mon Aug 4, 8:11 am)
Re: No, really, stop trying to delete slab until you've fi ..., Jamie Lokier, (Mon Aug 4, 8:21 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Mon Aug 4, 9:02 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Mon Aug 4, 9:35 am)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Mon Aug 4, 9:47 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Mon Aug 4, 10:13 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Mon Aug 4, 10:19 am)
Re: No, really, stop trying to delete slab until you've fi ..., Pekka Enberg, (Mon Aug 4, 10:20 am)
Re: No, really, stop trying to delete slab until you've fi ..., Pekka Enberg, (Mon Aug 4, 2:22 pm)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Mon Aug 4, 2:41 pm)
Re: No, really, stop trying to delete slab until you've fi ..., Rene Herman, (Mon Aug 4, 4:09 pm)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Tue Aug 5, 5:06 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Tue Aug 5, 7:59 am)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Wed Aug 6, 5:36 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Wed Aug 6, 7:24 am)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Wed Aug 13, 3:46 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Wed Aug 13, 6:10 am)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Wed Aug 13, 7:14 am)
Re: No, really, stop trying to delete slab until you've fi ..., Pekka Enberg, (Wed Aug 13, 7:16 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Wed Aug 13, 7:31 am)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Wed Aug 13, 8:05 am)
Re: No, really, stop trying to delete slab until you've fi ..., Pekka Enberg, (Thu Aug 14, 12:15 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Thu Aug 14, 7:45 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Thu Aug 14, 8:06 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Thu Aug 14, 12:44 pm)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Fri Aug 15, 9:44 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Fri Aug 15, 11:24 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Fri Aug 15, 12:42 pm)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Mon Aug 18, 3:08 am)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Mon Aug 18, 3:34 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Mon Aug 18, 7:08 am)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Tue Aug 19, 3:34 am)
Re: No, really, stop trying to delete slab until you've fi ..., Christoph Lameter, (Tue Aug 19, 6:51 am)
Re: No, really, stop trying to delete slab until you've fi ..., KOSAKI Motohiro, (Wed Aug 20, 4:46 am)