From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: linux-kernel@vger.kernel.org
Cc: "André Almeida" <andrealmeid@igalia.com>,
"Darren Hart" <dvhart@infradead.org>,
"Davidlohr Bueso" <dave@stgolabs.net>,
"Ingo Molnar" <mingo@redhat.com>,
"Juri Lelli" <juri.lelli@redhat.com>,
"Peter Zijlstra" <peterz@infradead.org>,
"Valentin Schneider" <vschneid@redhat.com>,
"Waiman Long" <longman@redhat.com>
Subject: Re: [RFC v2 PATCH 0/4] futex: Add support task local hash maps.
Date: Thu, 31 Oct 2024 18:47:36 +0100 [thread overview]
Message-ID: <20241031174736.apc_hFru@linutronix.de> (raw)
In-Reply-To: <20241031155640.Fhtm3uFD@linutronix.de>
On 2024-10-31 16:56:43 [+0100], To linux-kernel@vger.kernel.org wrote:
> Pinning the bench to individual CPUs belonging to a NUMA node and
> running the same test with 110 threads only (avg over 5 runs):
> ops/sec global ops/sec local
> node 0 2278572.2 2534827.4
> node 1 2229838.6 2437498.8
> node 0+1 2542602.4 2535749.8
Running on node 1, with variable slot size:
hash slots ops/sec
2 43292.2
4 81829.2
8 156903.4
16 297063.6
32 554229.4
64 962158.4
128 1615859.6
256 2106941.4
512 2269494.8
1024 2328782.6
2048 2342981.6
4096 2337705.2
8192 2334141.4
16384 2334237.6
32768 2339262.2
65536 2438800.4
Sebastian
next prev parent reply other threads:[~2024-10-31 17:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-28 12:13 Sebastian Andrzej Siewior
2024-10-28 12:13 ` [RFC PATCH v2 1/4] futex: Create helper function to initialize a hash slot Sebastian Andrzej Siewior
2024-10-28 12:13 ` [RFC PATCH v2 2/4] futex: Add basic infrastructure for local task local hash Sebastian Andrzej Siewior
2024-10-28 12:13 ` [RFC PATCH v2 3/4] futex: Use the task local hashmap Sebastian Andrzej Siewior
2024-10-28 12:13 ` [RFC PATCH v2 4/4] futex: Allow automatic allocation of process wide futex hash Sebastian Andrzej Siewior
2024-10-28 17:50 ` [RFC v2 PATCH 0/4] futex: Add support task local hash maps Sebastian Andrzej Siewior
2024-10-29 11:10 ` Juri Lelli
2024-10-29 15:06 ` Sebastian Andrzej Siewior
2024-10-31 15:56 ` Sebastian Andrzej Siewior
2024-10-31 17:47 ` Sebastian Andrzej Siewior [this message]
2024-11-01 11:08 ` Sebastian Andrzej Siewior
2024-10-31 20:18 ` Waiman Long
2024-10-31 20:28 ` Waiman Long
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