From: Jan Engelhardt <ej@inai.de>
To: Sudarsan Mahendran <sudarsanm@google.com>
Cc: vbabka@suse.cz, Liam.Howlett@oracle.com, cl@gentwo.org,
harry.yoo@oracle.com, howlett@gmail.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
maple-tree@lists.infradead.org, rcu@vger.kernel.org,
rientjes@google.com, roman.gushchin@linux.dev,
surenb@google.com, urezki@gmail.com
Subject: Re: Benchmarking [PATCH v5 00/14] SLUB percpu sheaves
Date: Mon, 15 Sep 2025 09:51:25 +0200 (CEST) [thread overview]
Message-ID: <qs3967pq-4nq7-67pq-2025-r7259o0s52p4@vanv.qr> (raw)
In-Reply-To: <20250913000935.1021068-1-sudarsanm@google.com>
On Saturday 2025-09-13 02:09, Sudarsan Mahendran wrote:
>
>Summary of the results:
>
>- Significant change (meaning >10% difference
> between base and experiment) on will-it-scale
> tests in AMD.
>
>Summary of AMD will-it-scale test changes:
>
>Number of runs : 15
>Direction : + is good
If STDDEV grows more than mean, there is more jitter,
which is not "good".
>| | MIN | MAX | MEAN | MEDIAN | STDDEV |
>|:-----------|:-----------|:-----------|:-----------|:-----------|:-----------|
>| brk1_8_processes
>| BASE | 7,667,220 | 7,705,767 | 7,682,782 | 7,676,211 | 12,733 |
>| TEST | 9,477,395 | 10,053,058 | 9,878,753 | 9,959,360 | 182,014 |
>| % | +23.61% | +30.46% | +28.58% | +29.74% | +1,329.46% |
>
>| mmap2_256_processes
>| BASE | 7,483,929 | 7,532,461 | 7,491,876 | 7,489,398 | 11,134 |
>| TEST | 11,580,023 | 16,508,551 | 15,337,145 | 15,943,608 | 1,489,489 |
>| % | +54.73% | +119.17% | +104.72% | +112.88% | +13,276.75%|
next prev parent reply other threads:[~2025-09-15 7:51 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-23 13:34 Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 01/14] slab: add opt-in caching layer of " Vlastimil Babka
2025-08-18 10:09 ` Harry Yoo
2025-08-26 8:03 ` Vlastimil Babka
2025-08-19 4:19 ` Suren Baghdasaryan
2025-08-26 8:51 ` Vlastimil Babka
2025-09-13 14:35 ` Mateusz Guzik
2025-09-13 20:32 ` Vlastimil Babka
2025-09-14 2:22 ` Hillf Danton
2025-09-14 20:24 ` Vlastimil Babka
2025-09-15 0:11 ` Hillf Danton
2025-09-15 7:21 ` Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 02/14] slab: add sheaf support for batching kfree_rcu() operations Vlastimil Babka
2025-07-23 16:39 ` Uladzislau Rezki
2025-07-24 14:30 ` Vlastimil Babka
2025-07-24 17:36 ` Uladzislau Rezki
2025-07-23 13:34 ` [PATCH v5 03/14] slab: sheaf prefilling for guaranteed allocations Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 04/14] slab: determine barn status racily outside of lock Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 05/14] tools: Add testing support for changes to rcu and slab for sheaves Vlastimil Babka
2025-08-22 16:28 ` Suren Baghdasaryan
2025-08-26 9:32 ` Vlastimil Babka
2025-08-27 0:19 ` Suren Baghdasaryan
2025-07-23 13:34 ` [PATCH v5 06/14] tools: Add sheaves support to testing infrastructure Vlastimil Babka
2025-08-22 16:56 ` Suren Baghdasaryan
2025-08-26 9:59 ` Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 07/14] maple_tree: use percpu sheaves for maple_node_cache Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 08/14] mm, vma: use percpu sheaves for vm_area_struct cache Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 09/14] mm, slub: skip percpu sheaves for remote object freeing Vlastimil Babka
2025-08-25 5:22 ` Harry Yoo
2025-08-26 10:11 ` Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 10/14] mm, slab: allow NUMA restricted allocations to use percpu sheaves Vlastimil Babka
2025-08-22 19:58 ` Suren Baghdasaryan
2025-08-25 6:52 ` Harry Yoo
2025-08-26 10:49 ` Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 11/14] testing/radix-tree/maple: Increase readers and reduce delay for faster machines Vlastimil Babka
2025-07-23 13:34 ` [PATCH v5 12/14] maple_tree: Sheaf conversion Vlastimil Babka
2025-08-22 20:18 ` Suren Baghdasaryan
2025-08-26 14:22 ` Liam R. Howlett
2025-08-27 2:07 ` Suren Baghdasaryan
2025-08-28 14:27 ` Liam R. Howlett
2025-07-23 13:34 ` [PATCH v5 13/14] maple_tree: Add single node allocation support to maple state Vlastimil Babka
2025-08-22 20:25 ` Suren Baghdasaryan
2025-08-26 15:10 ` Liam R. Howlett
2025-08-27 2:03 ` Suren Baghdasaryan
2025-07-23 13:34 ` [PATCH v5 14/14] maple_tree: Convert forking to use the sheaf interface Vlastimil Babka
2025-08-22 20:29 ` Suren Baghdasaryan
2025-08-15 22:53 ` [PATCH v5 00/14] SLUB percpu sheaves Sudarsan Mahendran
2025-08-16 8:05 ` Harry Yoo
2025-08-16 17:35 ` Sudarsan Mahendran
2025-08-16 18:31 ` Vlastimil Babka
2025-08-16 18:33 ` Vlastimil Babka
2025-08-17 4:28 ` Sudarsan Mahendran
2025-09-13 0:09 ` Benchmarking " Sudarsan Mahendran
2025-09-15 7:51 ` Jan Engelhardt [this message]
2025-09-15 12:13 ` Paul E. McKenney
2025-09-15 15:22 ` Vlastimil Babka
2025-09-16 17:09 ` Suren Baghdasaryan
2025-09-17 5:19 ` Uladzislau Rezki
2025-09-17 16:14 ` Suren Baghdasaryan
2025-09-17 23:59 ` Suren Baghdasaryan
2025-09-18 11:50 ` Uladzislau Rezki
2025-09-18 15:29 ` Liam R. Howlett
2025-09-19 15:07 ` Uladzislau Rezki
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