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=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, HTML_MESSAGE,MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 8063 invoked from network); 13 Jan 2022 02:35:45 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 13 Jan 2022 02:35:45 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 4B17E9D03F; Thu, 13 Jan 2022 12:35:42 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id E55CF9CF7E; Thu, 13 Jan 2022 12:35:25 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="key not found in DNS" (0-bit key; unprotected) header.d=kev009.com header.i=@kev009.com header.b="Od6wfCFc"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 1C8549CF7E; Thu, 13 Jan 2022 12:35:24 +1000 (AEST) Received: from mail-yb1-f178.google.com (mail-yb1-f178.google.com [209.85.219.178]) by minnie.tuhs.org (Postfix) with ESMTPS id 350FF9C78F for ; Thu, 13 Jan 2022 12:35:23 +1000 (AEST) Received: by mail-yb1-f178.google.com with SMTP id p187so11173619ybc.0 for ; Wed, 12 Jan 2022 18:35:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kev009.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=/ZHBtxienjPYhQ4S8YAHy0zplScsE3xZ9XEVHRmEYJc=; b=Od6wfCFco2P2UcaojR3o8MWkMJ/MKUvDGG9ScsjunahWeUVEToi7TXMThVc1KjD/xW +Iag+0A0hA6CNHF60rdhifGsSgd24ierBAKunFksmT1Tc/K0M8nUv+e87xsL3xrcQ2yN o2VlyJAGmhIO8Hc6SltS1WCk5pXjn7vBXtUbo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/ZHBtxienjPYhQ4S8YAHy0zplScsE3xZ9XEVHRmEYJc=; b=WQtJ22jtZS+U918aFpZy9507qFFHs9XCsQnUv0Sp8yylq0wAyWPLM3VPt6K8kYbSlR 8vCNey893kFgDFPEK6hkKbIb3t2A0cXOkiBqEPcMQ/2K6RDXg5fmE76ywTEWW0eIPuIp Kqnjf0/skoODdOcOHJm1A2nh/Va+wrs3NdGMYZr8D4b52/cx4ehog2YRgEu1T+U3UPP+ 9WTLoREyHsPt+38akoTg/0pIV1i84C/RoYD+fjFQWJSdFxJFfn1BDurSTjPVPdaYW5UF Jy7gkjG80wPfMM0Bmrq//nL7vwLiDX2XwSzgAE+QhFxcuI0EdCxV4aKa3PSkNmRBQydO IlGw== X-Gm-Message-State: AOAM532H0bhRATkKi2yUkrs4w48IPiNXt9jHCQiYDoVkbx2LSf2iz2DM 7pydHs/mPVXvWRDo/QuwwveKLzk2sjuN4Cq7aSEy8zx+wfM= X-Google-Smtp-Source: ABdhPJz8GadZT3DKTzkGchiShv+qIKh9UHyENoZSlT08kIbcLHhiQ0gmZwPYBTHUbohiICbl4AwBx7aotl6YDCCc1BU= X-Received: by 2002:a25:8888:: with SMTP id d8mr3144066ybl.405.1642041322174; Wed, 12 Jan 2022 18:35:22 -0800 (PST) MIME-Version: 1.0 References: <97f563fa-5a17-424b-acc6-07cf127f496d@localhost> <20220103234411.GA19828@mcvoy.com> <20220103235600.GA68567@eureka.lemis.com> In-Reply-To: <20220103235600.GA68567@eureka.lemis.com> From: Kevin Bowling Date: Wed, 12 Jan 2022 19:35:10 -0700 Message-ID: To: "Greg 'groggy' Lehey" Content-Type: multipart/alternative; boundary="000000000000b7126b05d56d89df" Subject: Re: [TUHS] SMP: BSD vs System V (once was: moving directories in svr2) X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: The Eunuchs Hysterical Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000b7126b05d56d89df Content-Type: text/plain; charset="UTF-8" On Mon, Jan 3, 2022 at 5:03 PM Greg 'groggy' Lehey wrote: > On Monday, 3 January 2022 at 15:44:11 -0800, Larry McVoy wrote: > > On Mon, Jan 03, 2022 at 05:21:51PM -0600, Doug McIntyre wrote: > >> On Mon, Jan 03, 2022 at 04:15:08PM -0500, Dan Cross wrote: > >> I'd agree, 2.4 was pretty slow and chunky, 2.5 was alright, but 2.5.1 > was quite usable and stable. > >> Also by this time, the hardware was going in directions that SunOS > wouldn't keep up with. > > > > Yeah, Doug is right, SunOS was pretty simple, it didn't really take > advantage > > of SMP, Greg Limes tried to thread it but it was too big a job for one > guy. > > > > That's not to say that SunOS couldn't have evolved into SMP, I'm 100% > > sure it could have. It just didn't. It's a shame. > > An interesting question. I had always thought that SMP was (one of?) > the technical reasons why Sun moved from a BSD to a System V base. > Since then, of course, we've done lots of work on SMP support for at > least FreeBSD. Does anybody have an overview of how good the support > is compared to modern Solaris? Is there any intrinsic reason why one > should be better than the other? > > Greg > -- > Sent from my desktop computer. > Finger grog@lemis.com for PGP public key. > See complete headers for address and phone numbers. > This message is digitally signed. If your Microsoft mail program > reports problems, please read http://lemis.com/broken-MUA.php Relevant proceedings https://www.usenix.org/legacy/publications/library/proceedings/sa92/ --000000000000b7126b05d56d89df Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Mon, Jan 3, 2022 at 5:03 PM Greg 'groggy' Lehey <grog@lemis.com> wrote:
On Monday,=C2=A0 3 January 2022 at = 15:44:11 -0800, Larry McVoy wrote:
> On Mon, Jan 03, 2022 at 05:21:51PM -0600, Doug McIntyre wrote:
>> On Mon, Jan 03, 2022 at 04:15:08PM -0500, Dan Cross wrote:
>> I'd agree, 2.4 was pretty slow and chunky, 2.5 was alright, bu= t 2.5.1 was quite usable and stable.
>> Also by this time, the hardware was going in directions that SunOS= wouldn't keep up with.
>
> Yeah, Doug is right, SunOS was pretty simple, it didn't really tak= e advantage
> of SMP, Greg Limes tried to thread it but it was too big a job for one= guy.
>
> That's not to say that SunOS couldn't have evolved into SMP, I= 'm 100%
> sure it could have.=C2=A0 It just didn't.=C2=A0 It's a shame.<= br>
An interesting question.=C2=A0 I had always thought that SMP was (one of?)<= br> the technical reasons why Sun moved from a BSD to a System V base.
Since then, of course, we've done lots of work on SMP support for at least FreeBSD.=C2=A0 Does anybody have an overview of how good the support<= br> is compared to modern Solaris?=C2=A0 Is there any intrinsic reason why one<= br> should be better than the other?

Greg
--
Sent from my desktop computer.
Finger grog@lemis.com for PGP public key.
See complete headers for address and phone numbers.
This message is digitally signed.=C2=A0 If your Microsoft mail program
reports problems, please read
http://lemis.com/broken-MUA.php

--000000000000b7126b05d56d89df--