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From: Balbir Singh <bsingharora@gmail.com>
To: Laurent Dufour <ldufour@linux.vnet.ibm.com>,
	paulmck@linux.vnet.ibm.com, peterz@infradead.org,
	akpm@linux-foundation.org, kirill@shutemov.name,
	ak@linux.intel.com, mhocko@kernel.org, dave@stgolabs.net,
	jack@suse.cz, Matthew Wilcox <willy@infradead.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	haren@linux.vnet.ibm.com, khandual@linux.vnet.ibm.com,
	npiggin@gmail.com, Tim Chen <tim.c.chen@linux.intel.com>
Subject: Re: [RFC v5 00/11] Speculative page faults
Date: Fri, 07 Jul 2017 11:54:07 +1000	[thread overview]
Message-ID: <1499392447.23251.1.camel@gmail.com> (raw)
In-Reply-To: <b9988c09-265a-022a-266d-e51250fe3f2c@linux.vnet.ibm.com>

On Mon, 2017-07-03 at 19:32 +0200, Laurent Dufour wrote:
> The test is counting the number of records per second it can manage, the
> higher is the best. I run it like this 'ebizzy -mTRp'. To get consistent
> result I repeat the test 100 times and measure the average result, mean
> deviation and max. I run the test on top of 4.12 on 2 nodes, one with 80
> CPUs, and the other one with 1024 CPUs:
> 
> * 80 CPUs Power 8 node:
> Records/s	4.12		4.12-SPF
> Average		38941,62	64235,82
> Mean deviation	620,93		1718,95
> Max		41988		69623
> 
> * 1024 CPUs Power 8 node:
> Records/s	4.12		4.12-SPF
> Average		39516,64	80689,27
> Mean deviation	1387,66		1319,98
> Max		43281		90441
>

This seems like a very interesting result

Balbir Singh. 

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WARNING: multiple messages have this Message-ID (diff)
From: Balbir Singh <bsingharora@gmail.com>
To: Laurent Dufour <ldufour@linux.vnet.ibm.com>,
	paulmck@linux.vnet.ibm.com, peterz@infradead.org,
	akpm@linux-foundation.org, kirill@shutemov.name,
	ak@linux.intel.com, mhocko@kernel.org, dave@stgolabs.net,
	jack@suse.cz, Matthew Wilcox <willy@infradead.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	haren@linux.vnet.ibm.com, khandual@linux.vnet.ibm.com,
	npiggin@gmail.com, Tim Chen <tim.c.chen@linux.intel.com>
Subject: Re: [RFC v5 00/11] Speculative page faults
Date: Fri, 07 Jul 2017 11:54:07 +1000	[thread overview]
Message-ID: <1499392447.23251.1.camel@gmail.com> (raw)
In-Reply-To: <b9988c09-265a-022a-266d-e51250fe3f2c@linux.vnet.ibm.com>

On Mon, 2017-07-03 at 19:32 +0200, Laurent Dufour wrote:
> The test is counting the number of records per second it can manage, the
> higher is the best. I run it like this 'ebizzy -mTRp'. To get consistent
> result I repeat the test 100 times and measure the average result, mean
> deviation and max. I run the test on top of 4.12 on 2 nodes, one with 80
> CPUs, and the other one with 1024 CPUs:
> 
> * 80 CPUs Power 8 node:
> Records/s	4.12		4.12-SPF
> Average		38941,62	64235,82
> Mean deviation	620,93		1718,95
> Max		41988		69623
> 
> * 1024 CPUs Power 8 node:
> Records/s	4.12		4.12-SPF
> Average		39516,64	80689,27
> Mean deviation	1387,66		1319,98
> Max		43281		90441
>

This seems like a very interesting result

Balbir Singh. 

  reply	other threads:[~2017-07-07  1:55 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-16 17:52 [RFC v5 00/11] Speculative page faults Laurent Dufour
2017-06-16 17:52 ` Laurent Dufour
2017-06-16 17:52 ` [RFC v5 01/11] mm: Dont assume page-table invariance during faults Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-07-07  7:07   ` Balbir Singh
2017-07-07  7:07     ` Balbir Singh
2017-07-10 17:48     ` Laurent Dufour
2017-07-10 17:48       ` Laurent Dufour
2017-07-11  4:26       ` Balbir Singh
2017-07-11  4:26         ` Balbir Singh
2017-08-08 10:04       ` Anshuman Khandual
2017-08-08 10:04         ` Anshuman Khandual
2017-08-08  9:45   ` Anshuman Khandual
2017-08-08  9:45     ` Anshuman Khandual
2017-08-08 12:11     ` Laurent Dufour
2017-08-08 12:11       ` Laurent Dufour
2017-06-16 17:52 ` [RFC v5 02/11] mm: Prepare for FAULT_FLAG_SPECULATIVE Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-08-08 10:24   ` Anshuman Khandual
2017-08-08 10:24     ` Anshuman Khandual
2017-08-08 10:42     ` Peter Zijlstra
2017-08-08 10:42       ` Peter Zijlstra
2017-06-16 17:52 ` [RFC v5 03/11] mm: Introduce pte_spinlock " Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-08-08 10:35   ` Anshuman Khandual
2017-08-08 10:35     ` Anshuman Khandual
2017-08-08 12:16     ` Laurent Dufour
2017-08-08 12:16       ` Laurent Dufour
2017-06-16 17:52 ` [RFC v5 04/11] mm: VMA sequence count Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-08-08 10:59   ` Anshuman Khandual
2017-08-08 10:59     ` Anshuman Khandual
2017-08-08 11:04     ` Peter Zijlstra
2017-08-08 11:04       ` Peter Zijlstra
2017-06-16 17:52 ` [RFC v5 05/11] mm: fix lock dependency against mapping->i_mmap_rwsem Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-08-08 11:17   ` Anshuman Khandual
2017-08-08 11:17     ` Anshuman Khandual
2017-08-08 12:20     ` Laurent Dufour
2017-08-08 12:20       ` Laurent Dufour
2017-08-08 12:49       ` Jan Kara
2017-08-08 12:49         ` Jan Kara
2017-08-08 13:08         ` Laurent Dufour
2017-08-08 13:08           ` Laurent Dufour
2017-08-08 13:15       ` Peter Zijlstra
2017-08-08 13:15         ` Peter Zijlstra
2017-08-08 13:34         ` Laurent Dufour
2017-08-08 13:34           ` Laurent Dufour
2017-06-16 17:52 ` [RFC v5 06/11] mm: Protect VMA modifications using VMA sequence count Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-06-16 17:52 ` [RFC v5 07/11] mm: RCU free VMAs Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-06-16 17:52 ` [RFC v5 08/11] mm: Provide speculative fault infrastructure Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-06-16 17:52 ` [RFC v5 09/11] mm: Try spin lock in speculative path Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-07-05 18:50   ` Peter Zijlstra
2017-07-05 18:50     ` Peter Zijlstra
2017-07-06 13:46     ` Laurent Dufour
2017-07-06 13:46       ` Laurent Dufour
2017-07-06 14:48       ` Peter Zijlstra
2017-07-06 14:48         ` Peter Zijlstra
2017-07-06 15:29         ` Laurent Dufour
2017-07-06 15:29           ` Laurent Dufour
2017-07-06 16:13           ` Peter Zijlstra
2017-07-06 16:13             ` Peter Zijlstra
2017-06-16 17:52 ` [RFC v5 10/11] x86/mm: Add speculative pagefault handling Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-06-16 17:52 ` [RFC v5 11/11] powerpc/mm: Add speculative page fault Laurent Dufour
2017-06-16 17:52   ` Laurent Dufour
2017-07-03 17:32 ` [RFC v5 00/11] Speculative page faults Laurent Dufour
2017-07-03 17:32   ` Laurent Dufour
2017-07-07  1:54   ` Balbir Singh [this message]
2017-07-07  1:54     ` Balbir Singh

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