From: Dave Hansen <dave@sr71.net>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
penberg@kernel.org, cl@linux-foundation.org
Subject: Re: [PATCH 0/9] re-shrink 'struct page' when SLUB is on.
Date: Fri, 10 Jan 2014 15:42:07 -0800 [thread overview]
Message-ID: <52D0854F.5060102@sr71.net> (raw)
In-Reply-To: <20140110153913.844e84755256afd271371493@linux-foundation.org>
On 01/10/2014 03:39 PM, Andrew Morton wrote:
>> I tested 4 cases, all of these on the "cache-cold kfree()" case. The
>> first 3 are with vanilla upstream kernel source. The 4th is patched
>> with my new slub code (all single-threaded):
>>
>> http://www.sr71.net/~dave/intel/slub/slub-perf-20140109.png
>
> So we're converging on the most complex option. argh.
Yeah, looks that way.
> So all this testing was performed in a VM? If so, how much is that
> likely to have impacted the results?
Nope, none of it was in a VM. All the results here are from bare-metal.
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WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave@sr71.net>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
penberg@kernel.org, cl@linux-foundation.org
Subject: Re: [PATCH 0/9] re-shrink 'struct page' when SLUB is on.
Date: Fri, 10 Jan 2014 15:42:07 -0800 [thread overview]
Message-ID: <52D0854F.5060102@sr71.net> (raw)
In-Reply-To: <20140110153913.844e84755256afd271371493@linux-foundation.org>
On 01/10/2014 03:39 PM, Andrew Morton wrote:
>> I tested 4 cases, all of these on the "cache-cold kfree()" case. The
>> first 3 are with vanilla upstream kernel source. The 4th is patched
>> with my new slub code (all single-threaded):
>>
>> http://www.sr71.net/~dave/intel/slub/slub-perf-20140109.png
>
> So we're converging on the most complex option. argh.
Yeah, looks that way.
> So all this testing was performed in a VM? If so, how much is that
> likely to have impacted the results?
Nope, none of it was in a VM. All the results here are from bare-metal.
next prev parent reply other threads:[~2014-01-11 17:23 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-03 18:01 [PATCH 0/9] re-shrink 'struct page' when SLUB is on Dave Hansen
2014-01-03 18:01 ` [PATCH 1/9] mm: slab/slub: use page->list consistently instead of page->lru Dave Hansen
2014-01-03 18:01 ` Dave Hansen
2014-01-03 18:01 ` [PATCH 2/9] mm: blk-mq: uses page->list incorrectly Dave Hansen
2014-01-03 18:01 ` Dave Hansen
2014-01-03 18:01 ` [PATCH 3/9] mm: page->pfmemalloc only used by slab/skb Dave Hansen
2014-01-03 18:01 ` Dave Hansen
2014-01-03 18:01 ` [PATCH 4/9] mm: slabs: reset page at free Dave Hansen
2014-01-03 18:01 ` Dave Hansen
2014-01-03 18:01 ` [PATCH 5/9] mm: rearrange struct page Dave Hansen
2014-01-03 18:01 ` Dave Hansen
2014-01-03 18:01 ` [PATCH 6/9] mm: slub: rearrange 'struct page' fields Dave Hansen
2014-01-03 18:01 ` Dave Hansen
2014-01-03 18:02 ` [PATCH 7/9] mm: slub: abstract out double cmpxchg option Dave Hansen
2014-01-03 18:02 ` Dave Hansen
2014-01-03 18:02 ` [PATCH 8/9] mm: slub: remove 'struct page' alignment restrictions Dave Hansen
2014-01-03 18:02 ` Dave Hansen
2014-01-03 18:02 ` [PATCH 9/9] mm: slub: cleanups after code churn Dave Hansen
2014-01-03 18:02 ` Dave Hansen
2014-01-03 22:18 ` [PATCH 0/9] re-shrink 'struct page' when SLUB is on Andrew Morton
2014-01-03 22:18 ` Andrew Morton
2014-01-06 4:32 ` Joonsoo Kim
2014-01-06 4:32 ` Joonsoo Kim
2014-01-10 20:52 ` Dave Hansen
2014-01-10 20:52 ` Dave Hansen
2014-01-10 23:39 ` Andrew Morton
2014-01-10 23:39 ` Andrew Morton
2014-01-10 23:42 ` Dave Hansen [this message]
2014-01-10 23:42 ` Dave Hansen
2014-01-11 9:26 ` Pekka Enberg
2014-01-11 9:26 ` Pekka Enberg
2014-01-12 0:55 ` Christoph Lameter
2014-01-12 0:55 ` Christoph Lameter
2014-01-13 1:44 ` Joonsoo Kim
2014-01-13 1:44 ` Joonsoo Kim
2014-01-13 3:36 ` Davidlohr Bueso
2014-01-13 3:36 ` Davidlohr Bueso
2014-01-13 13:46 ` Fengguang Wu
2014-01-13 13:46 ` Fengguang Wu
2014-01-13 15:42 ` Dave Hansen
2014-01-13 15:42 ` Dave Hansen
2014-01-13 17:16 ` Dave Hansen
2014-01-13 17:16 ` Dave Hansen
2014-01-14 20:07 ` Christoph Lameter
2014-01-14 20:07 ` Christoph Lameter
2014-01-14 22:05 ` Dave Hansen
2014-01-14 22:05 ` Dave Hansen
2014-01-16 16:44 ` Christoph Lameter
2014-01-16 16:44 ` Christoph Lameter
2014-01-16 17:08 ` Dave Hansen
2014-01-16 17:08 ` Dave Hansen
2014-01-16 18:26 ` Christoph Lameter
2014-01-16 18:26 ` Christoph Lameter
2014-01-14 17:40 ` Christoph Lameter
2014-01-14 17:40 ` Christoph Lameter
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