From nobody Wed Jan 14 20:47:04 2026 X-Original-To: freebsd-hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4dryq44fRwz6Nv3B for ; Wed, 14 Jan 2026 20:47:28 +0000 (UTC) (envelope-from rb@gid.co.uk) Received: from gid2.gid.co.uk (ns0.gid.co.uk [IPv6:2001:470:94de::240]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "gid2.gid.co.uk", Issuer "gid2.gid.co.uk" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4dryq36dljz46DD for ; Wed, 14 Jan 2026 20:47:27 +0000 (UTC) (envelope-from rb@gid.co.uk) Authentication-Results: mx1.freebsd.org; none Received: from mx0.gid.co.uk (mx0.gid.co.uk [194.32.164.250]) by gid2.gid.co.uk (8.15.2/8.15.2) with ESMTP id 60EKlJ0w041355; Wed, 14 Jan 2026 20:47:19 GMT (envelope-from rb@gid.co.uk) Received: from smtpclient.apple ([194.32.164.24]) by mx0.gid.co.uk (8.14.2/8.14.2) with ESMTP id 60EKlE26009780; Wed, 14 Jan 2026 20:47:14 GMT (envelope-from rb@gid.co.uk) Content-Type: text/plain; charset=utf-8 List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81.1.4\)) Subject: Re: HMP scheduling on FreeBSD From: Bob Bishop In-Reply-To: <0Ng09S3rEB0BvT9vzHqVKU7rWxoad96kjEc7U2LCwDFJKmmswXujip7qbRlo_BIhNKcI7d-2CUHdp9Dxr3-7hhafpD6uagJSFUCjtC9qRr4=@proton.me> Date: Wed, 14 Jan 2026 20:47:04 +0000 Cc: freebsd-hackers Content-Transfer-Encoding: quoted-printable Message-Id: <1409C1C2-8843-464E-9491-44E840904C27@gid.co.uk> References: <0Ng09S3rEB0BvT9vzHqVKU7rWxoad96kjEc7U2LCwDFJKmmswXujip7qbRlo_BIhNKcI7d-2CUHdp9Dxr3-7hhafpD6uagJSFUCjtC9qRr4=@proton.me> To: Minsoo Choo X-Mailer: Apple Mail (2.3826.700.81.1.4) X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:6939, ipnet:2001:470::/32, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4dryq36dljz46DD HI, > On 14 Jan 2026, at 16:10, Minsoo Choo = wrote: >=20 > Greetings, >=20 > For the last few days, I've been working on scheduler optimization for = heterogeneous cores ("HMP scheduling" from now on) on FreeBSD. [etc] If you haven=E2=80=99t already, I strongly suggest reviewing this: = https://lists.freebsd.org/archives/freebsd-hackers/2023-March/001970.html and there may be other wisdom in that thread. -- Bob Bishop rb@gid.co.uk