From: Shakeel Butt <shakeel.butt@linux.dev>
To: hanchuanhua@oppo.com
Cc: akpm@linux-foundation.org, linux-mm@kvack.org,
baolin.wang@linux.alibaba.com, chrisl@kernel.org,
david@redhat.com, hannes@cmpxchg.org, hughd@google.com,
kaleshsingh@google.com, kasong@tencent.com,
linux-kernel@vger.kernel.org, mhocko@suse.com,
minchan@kernel.org, nphamcs@gmail.com, ryan.roberts@arm.com,
senozhatsky@chromium.org, shy828301@gmail.com, surenb@google.com,
v-songbaohua@oppo.com, willy@infradead.org, xiang@kernel.org,
ying.huang@intel.com, yosryahmed@google.com, hch@infradead.org,
ryncsn@gmail.com
Subject: Re: [PATCH v7 2/2] mm: support large folios swap-in for sync io devices
Date: Wed, 21 Aug 2024 10:31:01 -0700 [thread overview]
Message-ID: <qim6ug5d3ibrn6mgrk7oybml7qatgw654y2t6wlc25pnpddr2i@yniwf64alx23> (raw)
In-Reply-To: <20240821074541.516249-3-hanchuanhua@oppo.com>
On Wed, Aug 21, 2024 at 03:45:40PM GMT, hanchuanhua@oppo.com wrote:
> From: Chuanhua Han <hanchuanhua@oppo.com>
>
>
> 3. With both mTHP swap-out and swap-in supported, we offer the option to enable
> zsmalloc compression/decompression with larger granularity[2]. The upcoming
> optimization in zsmalloc will significantly increase swap speed and improve
> compression efficiency. Tested by running 100 iterations of swapping 100MiB
> of anon memory, the swap speed improved dramatically:
> time consumption of swapin(ms) time consumption of swapout(ms)
> lz4 4k 45274 90540
> lz4 64k 22942 55667
> zstdn 4k 85035 186585
> zstdn 64k 46558 118533
Are the above number with the patch series at [2] or without? Also can
you explain your experiment setup or how can someone reproduce these?
> [2] https://lore.kernel.org/all/20240327214816.31191-1-21cnbao@gmail.com/
next prev parent reply other threads:[~2024-08-21 17:31 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-21 7:45 [PATCH v7 0/2] mm: Ignite large folios swap-in support hanchuanhua
2024-08-21 7:45 ` [PATCH v7 1/2] mm: add nr argument in mem_cgroup_swapin_uncharge_swap() helper to support large folios hanchuanhua
2024-08-21 7:45 ` [PATCH v7 2/2] mm: support large folios swap-in for sync io devices hanchuanhua
2024-08-21 17:31 ` Shakeel Butt [this message]
2024-08-21 21:13 ` Barry Song
2024-08-23 17:56 ` Shakeel Butt
2024-08-26 19:46 ` Barry Song
2024-08-29 1:01 ` Kanchana P Sridhar
2024-08-29 2:24 ` Barry Song
2024-08-29 2:38 ` Sridhar, Kanchana P
2024-09-03 18:24 ` Kairui Song
2024-09-03 18:38 ` Yosry Ahmed
2024-09-03 20:07 ` Andrew Morton
2024-09-03 21:36 ` Barry Song
2024-09-03 22:05 ` Yosry Ahmed
2024-09-04 21:30 ` Usama Arif
2024-09-04 23:10 ` Barry Song
2024-09-04 23:23 ` Usama Arif
2024-09-04 23:27 ` Barry Song
2024-09-04 23:35 ` Yosry Ahmed
2024-09-22 23:57 ` Barry Song
2024-09-23 10:22 ` Usama Arif
2024-09-23 12:10 ` Johannes Weiner
2024-09-23 16:53 ` Yosry Ahmed
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