From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mx.groups.io; dkim=missing; spf=none, err=permanent DNS error (domain: bsdio.com, ip: 65.103.231.193, mailfrom: rebecca@bsdio.com) Received: from muon.bsdio.com (muon.bsdio.com [65.103.231.193]) by groups.io with SMTP; Mon, 22 Jul 2019 17:00:04 -0700 Received: from muon.bsdio.com (localhost [127.0.0.1]) by muon.bsdio.com (Postfix) with ESMTP id BAE9388E3F; Mon, 22 Jul 2019 18:00:24 -0600 (MDT) Received: from muon.bsdio.com ([127.0.0.1]) by muon.bsdio.com (muon.bsdio.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id dxHurvYRsyLV; Mon, 22 Jul 2019 18:00:23 -0600 (MDT) Received: from photon.int.bluestop.org (unknown [10.0.10.120]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by muon.bsdio.com (Postfix) with ESMTPSA; Mon, 22 Jul 2019 18:00:23 -0600 (MDT) Subject: Re: [edk2-devel] [PATCH] OvmfPkg: enable multiprocessor builds when using build.sh To: Jordan Justen , Ard Biesheuvel , Laszlo Ersek , devel@edk2.groups.io References: <20190722005816.96146-1-rebecca@bsdio.com> <156377947230.31344.9139528030621143554@jljusten-skl> <5313f05d-cd57-3fd0-9a44-4290b64db5a9@redhat.com> <156383729562.19762.9432602825677327108@jljusten-skl> From: rebecca@bsdio.com Openpgp: preference=signencrypt Autocrypt: addr=rebecca@bsdio.com; 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FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <156383729562.19762.9432602825677327108@jljusten-skl> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US On 2019-07-22 17:14, Jordan Justen wrote: > > I was suggesting that if they didn't specify -n as a param to > build.sh, then build.sh should not send -n to the edk2 build command. > The effect would be for the edk2 build command to check > Conf/target.txt. By default, I think target.txt will not set > THREADNUMBER, so "0" would still be the result. > > Yet, it would give them the option to set it in Conf/target.txt. > Today, since we always use the -n param, target.txt is always ignored > for this parameter. On a related topic, I wonder if we should add a "-j" parameter if we build BaseTools for users (e.g. "make -j4 -C BaseTools")? I've found that it can be pretty slow without it: on my system adding -j4 reduces build time from 55 seconds to 15. Going higher doesn't seem to produce much more benefit: -j32 (on a ThreadRipper system) reduces it to 12 seconds. -- Rebecca Cran