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From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Dave Hansen <dave@sr71.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mel Gorman <mgorman@suse.de>,
	David Rientjes <rientjes@google.com>,
	Glauber Costa <glommer@gmail.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Rik van Riel <riel@redhat.com>, Hugh Dickins <hughd@google.com>,
	Minchan Kim <minchan@kernel.org>,
	Jiang Liu <jiang.liu@huawei.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/5] mm, page_alloc: support multiple pages allocation
Date: Tue, 16 Jul 2013 09:26:52 +0900	[thread overview]
Message-ID: <20130716002652.GA2430@lge.com> (raw)
In-Reply-To: <51DED47A.8090008@intel.com>

On Thu, Jul 11, 2013 at 08:51:22AM -0700, Dave Hansen wrote:
> On 07/10/2013 11:12 PM, Joonsoo Kim wrote:
> >> > I'd also like to see some scalability numbers on this.  How do your
> >> > tests look when all the CPUs on the system are hammering away?
> > What test do you mean?
> > Please elaborate on this more
> 
> Your existing tests looked single-threaded.  That's certainly part of
> the problem.  Will your patches have implications for larger systems,
> though?  How much do your patches speed up or slow things down if we
> have many allocations proceeding on many CPUs in parallel?

Hello.

Okay, I will do that and attach the result to v2.

Thanks.

> 
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@kvack.org.  For more info on Linux MM,
> see: http://www.linux-mm.org/ .
> Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

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To unsubscribe, send a message with 'unsubscribe linux-mm' in
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WARNING: multiple messages have this Message-ID (diff)
From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Dave Hansen <dave@sr71.net>,
	Andrew Morton <akpm@linux-foundation.org>,
	Mel Gorman <mgorman@suse.de>,
	David Rientjes <rientjes@google.com>,
	Glauber Costa <glommer@gmail.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Rik van Riel <riel@redhat.com>, Hugh Dickins <hughd@google.com>,
	Minchan Kim <minchan@kernel.org>,
	Jiang Liu <jiang.liu@huawei.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/5] mm, page_alloc: support multiple pages allocation
Date: Tue, 16 Jul 2013 09:26:52 +0900	[thread overview]
Message-ID: <20130716002652.GA2430@lge.com> (raw)
In-Reply-To: <51DED47A.8090008@intel.com>

On Thu, Jul 11, 2013 at 08:51:22AM -0700, Dave Hansen wrote:
> On 07/10/2013 11:12 PM, Joonsoo Kim wrote:
> >> > I'd also like to see some scalability numbers on this.  How do your
> >> > tests look when all the CPUs on the system are hammering away?
> > What test do you mean?
> > Please elaborate on this more
> 
> Your existing tests looked single-threaded.  That's certainly part of
> the problem.  Will your patches have implications for larger systems,
> though?  How much do your patches speed up or slow things down if we
> have many allocations proceeding on many CPUs in parallel?

Hello.

Okay, I will do that and attach the result to v2.

Thanks.

> 
> --
> To unsubscribe, send a message with 'unsubscribe linux-mm' in
> the body to majordomo@kvack.org.  For more info on Linux MM,
> see: http://www.linux-mm.org/ .
> Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  reply	other threads:[~2013-07-16  0:26 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-03  8:34 [RFC PATCH 0/5] Support multiple pages allocation Joonsoo Kim
2013-07-03  8:34 ` Joonsoo Kim
2013-07-03  8:34 ` [RFC PATCH 1/5] mm, page_alloc: support " Joonsoo Kim
2013-07-03  8:34   ` Joonsoo Kim
2013-07-03 15:57   ` Christoph Lameter
2013-07-03 15:57     ` Christoph Lameter
2013-07-04  4:29     ` Joonsoo Kim
2013-07-04  4:29       ` Joonsoo Kim
2013-07-10 22:52   ` Dave Hansen
2013-07-10 22:52     ` Dave Hansen
2013-07-11  1:02     ` Joonsoo Kim
2013-07-11  1:02       ` Joonsoo Kim
2013-07-11  5:38       ` Dave Hansen
2013-07-11  5:38         ` Dave Hansen
2013-07-11  6:12         ` Joonsoo Kim
2013-07-11  6:12           ` Joonsoo Kim
2013-07-11 15:51           ` Dave Hansen
2013-07-11 15:51             ` Dave Hansen
2013-07-16  0:26             ` Joonsoo Kim [this message]
2013-07-16  0:26               ` Joonsoo Kim
2013-07-12 16:31           ` Dave Hansen
2013-07-12 16:31             ` Dave Hansen
2013-07-16  0:37             ` Joonsoo Kim
2013-07-16  0:37               ` Joonsoo Kim
2013-07-03  8:34 ` [RFC PATCH 2/5] mm, page_alloc: introduce alloc_pages_exact_node_multiple() Joonsoo Kim
2013-07-03  8:34   ` Joonsoo Kim
2013-07-03  8:34 ` [RFC PATCH 3/5] radix-tree: introduce radix_tree_[next/prev]_present() Joonsoo Kim
2013-07-03  8:34   ` Joonsoo Kim
2013-07-03  8:34 ` [RFC PATCH 4/5] readahead: remove end range check Joonsoo Kim
2013-07-03  8:34   ` Joonsoo Kim
2013-07-03  8:34 ` [RFC PATCH 5/5] readhead: support multiple pages allocation for readahead Joonsoo Kim
2013-07-03  8:34   ` Joonsoo Kim
2013-07-03 15:28 ` [RFC PATCH 0/5] Support multiple pages allocation Michal Hocko
2013-07-03 15:28   ` Michal Hocko
2013-07-03 15:51   ` Zhang Yanfei
2013-07-03 15:51     ` Zhang Yanfei
2013-07-03 16:01     ` Zhang Yanfei
2013-07-03 16:01       ` Zhang Yanfei
2013-07-04  4:24       ` Joonsoo Kim
2013-07-04  4:24         ` Joonsoo Kim
2013-07-04 10:00         ` Michal Hocko
2013-07-04 10:00           ` Michal Hocko
2013-07-10  0:31           ` Joonsoo Kim
2013-07-10  0:31             ` Joonsoo Kim
2013-07-10  1:20             ` Zhang Yanfei
2013-07-10  1:20               ` Zhang Yanfei
2013-07-10  9:56               ` Joonsoo Kim
2013-07-10  9:56                 ` Joonsoo Kim
2013-07-10  9:17             ` Michal Hocko
2013-07-10  9:17               ` Michal Hocko
2013-07-10  9:55               ` Joonsoo Kim
2013-07-10  9:55                 ` Joonsoo Kim
2013-07-10 11:27                 ` Michal Hocko
2013-07-10 11:27                   ` Michal Hocko
2013-07-11  1:05                   ` Joonsoo Kim
2013-07-11  1:05                     ` Joonsoo Kim

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