From owner-freebsd-virtualization@freebsd.org Tue Nov 27 22:06:53 2018 Return-Path: Delivered-To: freebsd-virtualization@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3817C113CB62 for ; Tue, 27 Nov 2018 22:06:53 +0000 (UTC) (envelope-from scopensource@gmail.com) Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 772EE7161D for ; Tue, 27 Nov 2018 22:06:52 +0000 (UTC) (envelope-from scopensource@gmail.com) Received: by mail-wr1-x42d.google.com with SMTP id x10so24292670wrs.8 for ; Tue, 27 Nov 2018 14:06:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=76lDRcozvzHppUq9imyLZhJEKF1DGWqnb7Sjx7LK0pM=; b=MP93H3tmNYy/0eer5uAWSurN7/vs5cWlbyyteJU1ERkDG7iTuiUpuYGt0lW/b6ZAw9 lGSL5dUx/JgUYJsPoY+AvBF+wYHy7rvgouv3Sx0HsKBGwl+U80H+mkhSHKRjc44dJpkW fAH6Lcvp7kiEIQx8rz5tL9Gy2JP9oToPAyUTUyvguutsZMhaZ3GZaodmW5coOJ2s0gZZ hteIlWWmAlvsJVPCgNWivYKoRm64BkYtklVPL8cObfgqLAaqivD/7oYuoMeqfH7buCnx 9PeQ9TZYSZcu82hPnq5x6RZKRs76EB5oH1hfZXROcb3FJfS+wAn1t+Hz7EWN34XXNjQg FCuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=76lDRcozvzHppUq9imyLZhJEKF1DGWqnb7Sjx7LK0pM=; b=TrNbVcHuceGO8ybJWAfQS6MvwGMzkrgt9rYFHho32SI61r3VRIPcjCd7/Zt2W6vSyX e4440qE86bx0IGBLSuiHmq/dOjatE2nSzPIX5jXSLnyINCRw1bpU24gc9fcsYRyWw5Na xoCiW0pdVtfBVi+6uIcT/6FU2ZJz2p/NiwCPWi4PtluqgPOEYSpNhj8TM2Cs5WCQjl5t zsfghqKFAOWLHH3kRG0wZ4C04dNz1lsHFIu2SeetorJZr+DUEd+SWedaW6qGs+HCtxLC MYixvt11uHqb/oBtSpjU0sRoS1iZ9zekOEzqvZZOf0rk3ymH/t/l1fSXlT9exAlZEYIi UJ4w== X-Gm-Message-State: AA+aEWa7aqxXGnLXherU51myNNoQSvGWqFdEYogEDv3OMvfGWlYHLCci 4xYODF1GlyWyKFueGlGGDrh2dQto X-Google-Smtp-Source: AFSGD/XKJQu8RgDHMWEFxvflSEGfiL9h6Wx2mHen4gcbRAF9MgE9lF3JxlSSiPV3ymR3E9joxBtKZQ== X-Received: by 2002:adf:fd03:: with SMTP id e3mr28134676wrr.280.1543356411240; Tue, 27 Nov 2018 14:06:51 -0800 (PST) Received: from [192.168.0.13] (cpc120314-reig6-2-0-cust190.6-3.cable.virginm.net. [86.8.46.191]) by smtp.gmail.com with ESMTPSA id v8sm3714233wrq.53.2018.11.27.14.06.50 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Nov 2018 14:06:50 -0800 (PST) To: "freebsd-virtualization@freebsd.org" From: Simon Connah Subject: Any plans to increase the maximum number of virtual CPUs above 16? Message-ID: <331a93ae-d4d8-e510-4499-7185e31fbbc9@gmail.com> Date: Tue, 27 Nov 2018 22:06:52 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 772EE7161D X-Spamd-Result: default: False [-3.56 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; NEURAL_HAM_SHORT(-0.95)[-0.953,0]; FROM_EQ_ENVFROM(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; RCVD_TLS_LAST(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; IP_SCORE(-0.60)[ipnet: 2a00:1450::/32(-1.52), asn: 15169(-1.37), country: US(-0.09)]; RCVD_IN_DNSWL_NONE(0.00)[d.2.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; TO_DN_EQ_ADDR_ALL(0.00)[] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Nov 2018 22:06:53 -0000 I was reading the bhyve man page and noticed that it said the maximum number of virtual CPUs is limited to 16. With AMD Epyc being out with 32 cores and 64 threads per CPU and being able to have 2 of them in one system this number seems rather low by modern standards. Are there any plans to increase this number to something like 32 virtual CPUs?