From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HTML_MESSAGE,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 18315 invoked from network); 28 Aug 2023 15:26:36 -0000 Received: from tb-ob0.topicbox.com (64.147.108.117) by inbox.vuxu.org with ESMTPUTF8; 28 Aug 2023 15:26:36 -0000 Received: from tb-mx0.topicbox.com (tb-mx0.nyi.icgroup.com [10.90.30.73]) by tb-ob0.topicbox.com (Postfix) with ESMTP id 53CAF2D97D for ; Mon, 28 Aug 2023 11:26:34 -0400 (EDT) (envelope-from bounce.mM75f71087ed9a79d6d51074d3.r522be890-2105-11eb-b15e-8d699134e1fa@9fans.bounce.topicbox.com) Received: by tb-mx0.topicbox.com (Postfix, from userid 1132) id 4EA7326EEF08; Mon, 28 Aug 2023 11:26:34 -0400 (EDT) ARC-Authentication-Results: i=2; topicbox.com; arc=pass; dkim=pass (2048-bit rsa key sha256) header.d=quintile.net header.i=@quintile.net header.b=N4RnV1DU header.a=rsa-sha256 header.s=mythic-beasts-k1 x-bits=2048; dmarc=none policy.published-domain-policy=none policy.applied-disposition=none policy.evaluated-disposition=none (p=none,d=none,d.eval=none) policy.policy-from=p header.from=quintile.net; spf=pass smtp.mailfrom=steve@quintile.net smtp.helo=mx2.mythic-beasts.com; x-internal-arc=fail (as.1.topicbox.com=pass, ams.1.topicbox.com=fail (body has been altered)) (Message modified while forwarding at Topicbox) ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d= topicbox.com; h=content-type:content-transfer-encoding:from :mime-version:subject:date:message-id:references:in-reply-to:to :list-help:list-id:list-post:list-subscribe:reply-to :list-unsubscribe; s=sysmsg-1; t=1693236394; bh=f7zwkZ0f9kNgCUFs 2M02OG7WuKFRLmvoHDVo1h4WW2U=; b=oILvSrHQcsuG0p3XZbmCr6jSeAmnOmiN OtC52LKrmv5mwW9ooFs3WxoWYlsOptpDov/CeuNLTG4CewKvj0Uxdz58jzr0WgKK wNeNXtH/3uW5+wOlMfpX/muBKxO4kObfbWv1K8ZTdZovnPjlWDSesV2ECtUfMclv DMbxUZ6yiPo= ARC-Seal: i=2; a=rsa-sha256; cv=pass; d=topicbox.com; s=sysmsg-1; t= 1693236394; b=VgMBUK6hMKK9oD3z0XTbgU0Hicg4OXUjY52hfujqEKorXeDmuj n1i8zEdMxessnqIvue4HcM3L3zsqdZDRHJ1rOzpMXltft0iFxyNDJJHrZJEpyO58 NhlBCC1I1Z+wt40OGkUxjGqsw5C6ElhIfk9qdFHtRtRb18QZwSD5il2dM= Authentication-Results: topicbox.com; arc=pass; dkim=pass (2048-bit rsa key sha256) header.d=quintile.net header.i=@quintile.net header.b=N4RnV1DU header.a=rsa-sha256 header.s=mythic-beasts-k1 x-bits=2048; dmarc=none policy.published-domain-policy=none policy.applied-disposition=none policy.evaluated-disposition=none (p=none,d=none,d.eval=none) policy.policy-from=p header.from=quintile.net; spf=pass smtp.mailfrom=steve@quintile.net smtp.helo=mx2.mythic-beasts.com; x-internal-arc=fail (as.1.topicbox.com=pass, ams.1.topicbox.com=fail (body has been altered)) (Message modified while forwarding at Topicbox) X-Received-Authentication-Results: tb-mx1.topicbox.com; arc=none (no signatures found); bimi=skipped (DMARC did not pass); dkim=pass (2048-bit rsa key sha256) header.d=quintile.net header.i=@quintile.net header.b=N4RnV1DU header.a=rsa-sha256 header.s=mythic-beasts-k1 x-bits=2048; dmarc=none policy.published-domain-policy=none policy.applied-disposition=none policy.evaluated-disposition=none (p=none,d=none,d.eval=none) policy.policy-from=p header.from=quintile.net; iprev=pass smtp.remote-ip=46.235.227.24 (mx2.mythic-beasts.com); spf=pass smtp.mailfrom=steve@quintile.net smtp.helo=mx2.mythic-beasts.com; x-aligned-from=pass (Address match); x-me-sender=none; x-ptr=pass smtp.helo=mx2.mythic-beasts.com policy.ptr=mx2.mythic-beasts.com; x-return-mx=pass header.domain=quintile.net policy.is_org=yes (MX Records found: mx.mythic-beasts.com); x-return-mx=pass smtp.domain=quintile.net policy.is_org=yes (MX Records found: mx.mythic-beasts.com); x-tls=pass smtp.version=TLSv1.2 smtp.cipher=ECDHE-RSA-AES256-GCM-SHA384 smtp.bits=256/256; x-vs=clean score=0 state=0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=9fans.net; h= content-type:content-transfer-encoding:from:mime-version:subject :date:message-id:references:in-reply-to:to:list-help:list-id :list-post:list-subscribe:reply-to:list-unsubscribe; s=dkim-1; t=1693236394; x=1693322794; bh=E7VrhgpfsaaZ9hdA/nRw79YZKTnAyM1P UJVk1fCsRN8=; b=SDDd3XBiQb5lCx6dVzoKKoke19cu2efwFl1OEaxyPF9Z8Sar uHF0hR74JbE109y6DY+lBFUi4vRX6gbsPuER3KEh3g+PsLVCGH+3z8e4oHI1y5uj +dg0i0oGKVkXYoxRKTV841I+tJx1aStxl3CdnYMZ4lDtg9QiqIRtMqhgkFs= Received: from tb-mx1.topicbox.com (localhost.local [127.0.0.1]) by tb-mx1.topicbox.com (Postfix) with ESMTP id 96AA023472F5 for <9fans@9fans.net>; Mon, 28 Aug 2023 11:26:20 -0400 (EDT) (envelope-from steve@quintile.net) Received: from tb-mx1.topicbox.com (localhost [127.0.0.1]) by tb-mx1.topicbox.com (Authentication Milter) with ESMTP id 65C94D97293; Mon, 28 Aug 2023 11:26:20 -0400 ARC-Seal: i=1; a=rsa-sha256; cv=none; d=topicbox.com; s=arcseal; t= 1693236380; b=UK18iM5hkH8ac6ixN8sO35AWDTpSIGTRJ4rZL0maFqW3aLYudR wCIEOHh1etmMig4+lVWIJTIQFNFTICbk2Mk6pnpZz7PP8ByR0CYJRtUHvUwd6vFq tf15OUR2eaG4yIytFibpiISsLlwK7wdWuJZ9hL7khE1m69HyHxQFZLm9LMrcFcRW mAK4jpzUqzIzq4cNVTKBxzLEXAhWGqW+oGCCYaj5wUjulWOK+41Rqo6/RZNKmRww 5kB62iYH5Fae9CUSqYyOCxhP3ywoMQkXmtIuFkSrPUtkv+PMsyGU8kVJYGlrZ7OA HyLXbnJcq0DUf7Y/eEdFIOEQMMfwl/giKOgQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= topicbox.com; h=content-type:content-transfer-encoding:from :mime-version:subject:date:message-id:references:in-reply-to:to; s=arcseal; t=1693236380; bh=evmwakjprv6Yv+eYaJ9HTOkCFasHLbflr97 E9QtqjFY=; b=eGU9iZi94ZI5BaMJamwckvPvi2Tkd0EZNJTJKgz4ZFBOcFwOk2Y 8PO6PGwFFQbPsjfplJZuNynHx6Txey9ZGNlNigRIueJisW7GHZmgMElm4ZitugiP mRJAK/aGGTpeGgPeBoFKdx03NiPtqHQ/lE1crQGpr7i4igFD5LWk/DjadKdWg+fC N6AobCvxN9rVkJC+ImWYZzVfC9kH012Cg+CtzdlA7vaOD65MMQ25ufYy82Y8n163 TVF8tq/kwMJ0C8Wzt3QSmlPe3IYina7k43jV2u7nQ+oKMdHzGzRKIf7FoZnqZfJA VF7abcE0OThKdAKwYzsZx2nSmKP8izGobAg== ARC-Authentication-Results: i=1; tb-mx1.topicbox.com; arc=none (no signatures found); bimi=skipped (DMARC did not pass); dkim=pass (2048-bit rsa key sha256) header.d=quintile.net header.i=@quintile.net header.b=N4RnV1DU header.a=rsa-sha256 header.s=mythic-beasts-k1 x-bits=2048; dmarc=none policy.published-domain-policy=none policy.applied-disposition=none policy.evaluated-disposition=none (p=none,d=none,d.eval=none) policy.policy-from=p header.from=quintile.net; iprev=pass smtp.remote-ip=46.235.227.24 (mx2.mythic-beasts.com); spf=pass smtp.mailfrom=steve@quintile.net smtp.helo=mx2.mythic-beasts.com; x-aligned-from=pass (Address match); x-me-sender=none; x-ptr=pass smtp.helo=mx2.mythic-beasts.com policy.ptr=mx2.mythic-beasts.com; x-return-mx=pass header.domain=quintile.net policy.is_org=yes (MX Records found: mx.mythic-beasts.com); x-return-mx=pass smtp.domain=quintile.net policy.is_org=yes (MX Records found: mx.mythic-beasts.com); x-tls=pass smtp.version=TLSv1.2 smtp.cipher=ECDHE-RSA-AES256-GCM-SHA384 smtp.bits=256/256; x-vs=clean score=0 state=0 X-ME-VSCause: gggruggvucftvghtrhhoucdtuddrgedviedrudefgedgkeeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgfnhhsuhgsshgtrhhisggvpdfu rfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttdenucenucfjughrpegtgffhgg fufffkfhgjvffosegrjehmrehhtdejnecuhfhrohhmpefuthgvvhgvucfuihhmohhnuceo shhtvghvvgesqhhuihhnthhilhgvrdhnvghtqeenucggtffrrghtthgvrhhnpeeihffgke etvdeluedulefgvedujeeutdetfeffjeduvdeuhfejgeejuedvheejffenucfkphepgeei rddvfeehrddvvdejrddvgeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepih hnvghtpeegiedrvdefhedrvddvjedrvdegpdhhvghlohepmhigvddrmhihthhhihgtqdgs vggrshhtshdrtghomhdpmhgrihhlfhhrohhmpeeoshhtvghvvgesqhhuihhnthhilhgvrd hnvghtqe X-ME-VSScore: 0 X-ME-VSCategory: clean Received-SPF: pass (quintile.net: Sender is authorized to use 'steve@quintile.net' in 'mfrom' identity (mechanism 'include:_spf.mythic-beasts.com' matched)) receiver=tb-mx1.topicbox.com; identity=mailfrom; envelope-from="steve@quintile.net"; helo=mx2.mythic-beasts.com; client-ip=46.235.227.24 Received: from mx2.mythic-beasts.com (mx2.mythic-beasts.com [46.235.227.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx1.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Mon, 28 Aug 2023 11:26:18 -0400 (EDT) (envelope-from steve@quintile.net) Received: by mailhub-hex-d.mythic-beasts.com with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qae86-00Dqpx-DF for 9fans@9fans.net; Mon, 28 Aug 2023 16:26:14 +0100 Content-Type: multipart/alternative; boundary=Apple-Mail-CF81A4F3-29D1-44F8-B08F-52162EC19241 Content-Transfer-Encoding: 7bit From: Steve Simon Mime-Version: 1.0 (1.0) Subject: Re: [9fans] Plan9 multi-core support Date: Mon, 28 Aug 2023 16:25:59 +0100 Message-Id: References: <1790306295.1334479.1693225975991@mail.yahoo.com> In-Reply-To: <1790306295.1334479.1693225975991@mail.yahoo.com> To: 9fans <9fans@9fans.net> X-Mailer: iPhone Mail (20G75) X-BlackCat-Spam-Score: 4 Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 409b96e6-45b7-11ee-b290-f8ce60279175 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UOTEyZTQ4MzhjYjFhMzcxZi1NNzVmNzEwODdlZDlhNzlkNmQ1MTA3?= =?UTF-8?B?NGQzPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M75f71087ed9a79d6d51074d3:1:CEnmTfjOELcIWjpXJKh21Ba5MHScv1kROAyLlJDSsLk --Apple-Mail-CF81A4F3-29D1-44F8-B08F-52162EC19241 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable > Plan 9 first edition came out in 1992, at a time when multicore didn't ex= ist, and multicore was released with IBM's Power 4 in 2001.=20 possibly true but multi-cpu boxes where becoming quite popular in the late = 1980s and these have very similar kernel design challenges to multicore arc= hitectures. one of the 1st edition=E2=80=99s target hosts where sgi numa machines (chal= lenge 2s i think) what i am saying is the plan9 kernel supported multiple processors from the= very early days. i wonder if the lost vax kernel supported multiple cpu's (or maybe is was k= enfs only?). Steve ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T912e4838cb1a371f-M75f71= 087ed9a79d6d51074d3 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription --Apple-Mail-CF81A4F3-29D1-44F8-B08F-52162EC19241 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Plan 9 first edition came = out in 1992, at a time when multicore didn't exist, and multicore was r= eleased with IBM's Power 4 in 2001. 

possibly true but multi-cpu boxes where becoming quite popular = in the late 1980s and these have very similar kernel design challenges to m= ulticore architectures.

one of the 1st edition&r= squo;s target hosts where sgi numa machines (challenge 2s i think)

what i am saying is the plan9 kernel supported multiple = processors from the very early days.

i wonder if= the lost vax kernel supported multiple cpu's (or maybe is was kenfs on= ly?).

Steve

= --Apple-Mail-CF81A4F3-29D1-44F8-B08F-52162EC19241--