Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1md0yW-0002cT-GM for pgsql-hackers@arkaria.postgresql.org; Wed, 20 Oct 2021 02:05:04 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1md0yU-0008VD-KQ for pgsql-hackers@arkaria.postgresql.org; Wed, 20 Oct 2021 02:05:02 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1md0yU-0008V4-Bx for pgsql-hackers@lists.postgresql.org; Wed, 20 Oct 2021 02:05:02 +0000 Received: from sss.pgh.pa.us ([66.207.139.130]) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1md0yN-0001eY-Q7 for pgsql-hackers@postgresql.org; Wed, 20 Oct 2021 02:05:01 +0000 Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1]) by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 19K24pGs2097715; Tue, 19 Oct 2021 22:04:51 -0400 From: Tom Lane To: Andres Freund cc: pgsql-hackers@postgresql.org Subject: Re: [RFC] building postgres with meson In-reply-to: <20211020014943.hlop7ygorkclauhf@alap3.anarazel.de> References: <20211012083721.hvixq4pnh2pixr3j@alap3.anarazel.de> <20211019183419.nsbr5n652n3sfqpv@alap3.anarazel.de> <1949598.1634671335@sss.pgh.pa.us> <20211020010859.fsdh5c6r2gaatpal@alap3.anarazel.de> <2095814.1634693213@sss.pgh.pa.us> <20211020014943.hlop7ygorkclauhf@alap3.anarazel.de> Comments: In-reply-to Andres Freund message dated "Tue, 19 Oct 2021 18:49:43 -0700" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2097713.1634695491.1@sss.pgh.pa.us> Date: Tue, 19 Oct 2021 22:04:51 -0400 Message-ID: <2097714.1634695491@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Andres Freund writes: > On 2021-10-19 21:26:53 -0400, Tom Lane wrote: >> As with the HPPA, a potential compromise is to spin up some newer >> BSD-ish system on it. I agree that OSX 10.4 is uninteresting as a >> software platform, but I'd like to keep 32-bit PPC represented in >> the farm. > I assume the reason 32-bit PPC is interesting is that it's commonly run big > endian? Aside from bit width and endianness, I believe it's a somewhat smaller instruction set than the newer CPUs. > I wonder when it'll be faster to run 32bit ppc via qemu than natively :) I think qemu would have a ways to go for that. More to the point, I've found that its emulation is not as precise as one might wish... regards, tom lane