From owner-freebsd-hackers@freebsd.org Wed Dec 4 17:56:36 2019 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D3D881AA066 for ; Wed, 4 Dec 2019 17:56:36 +0000 (UTC) (envelope-from dariusmihaim@gmail.com) Received: from mail-qv1-xf2f.google.com (mail-qv1-xf2f.google.com [IPv6:2607:f8b0:4864:20::f2f]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47SmkW4MwVz494S for ; Wed, 4 Dec 2019 17:56:35 +0000 (UTC) (envelope-from dariusmihaim@gmail.com) Received: by mail-qv1-xf2f.google.com with SMTP id t5so199829qvs.5 for ; Wed, 04 Dec 2019 09:56:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=hGNgOaolvIr8K5XVML3jLe5E0MJoj+FU5sjRnYN1zyc=; b=YMbloR9flVyx6YcfB4vHgWJOAxnEoCv2T2fqV/GI0oBoQTb+D6uZvWv3vp+7PNgPud kA+I9+yjyq8bmodWhh/u5DNASH0qpkXyUJCRxskjn1qTYXW0IQgEIQwPIa0rwitkhDc2 6jiiXhLnV1gic4W7DHABe/YoIFurEbizDFWQRbH2Yoh9MY9VpsrpSejzza9+taRVFNvc JeTpGX8oOU4mYVfjPu5Zp5guMskz/KnG0kcrcJayBl6b3dS1czivp1AM5PatbVG4Puv/ dqkIZobmv1fTvBxTCk0iZ8nH43AjpihFPjMMjlJ5xoEr1AT+G3Xt37y7LZUtbyGxKUVS AgNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=hGNgOaolvIr8K5XVML3jLe5E0MJoj+FU5sjRnYN1zyc=; b=X9+31TKaH8e8OF0dlvBAqSwEFfCJPdAW4H2KhiuhYA4LQYCK4/uO58dpLw8JCSrc0J W4LBgDEHvIdppEHJGPUDHjTAZmVcQwTCtLQyCxOK+6E6/J0dJ2dw+O5pr63N/wUgPsTZ gPlpO5/49Iq7vndHqbJpmJYlnxXR5XqDw8800LzQ+KAopxKOX8ylKWv0EnyWA/F6ASWu OOnRGdckA+95To23uOoSPwRJTteZecjNNt8c2lUgGkf7fqCf8ZmJKxYRE8w1YfCd3j5C fMtvYPfDmeCR/KWZX1RS2lJ5gkjE83sG/x5SXDa3L25/LxwL+hzSPEFNvpYrmGZzAaKY tSJg== X-Gm-Message-State: APjAAAWBdiV3vDvrdKXDrF6YgmGlxTJYQDmEmB9e0uGyEF07BFsAs0it ZMpYQz/MMz2HasKoikpom3HEVGh9/KGZW8QavS4= X-Google-Smtp-Source: APXvYqzyTRMNJMg0xjgeKmI3enMJl4KFXEo4n60IbTrtsf4lTftp26hVUYCHjif8v2C9lmpW5la0K6gFXaoiT43o5WI= X-Received: by 2002:ad4:5689:: with SMTP id bc9mr3732481qvb.132.1575482189046; Wed, 04 Dec 2019 09:56:29 -0800 (PST) MIME-Version: 1.0 References: <201912031529.xB3FTMnY035614@gndrsh.dnsmgr.net> In-Reply-To: From: Darius Mihai Date: Wed, 4 Dec 2019 19:56:18 +0200 Message-ID: Subject: Re: bhyve+windows 7 multicore performance To: Wojciech Puchar Cc: "Rodney W. Grimes" , freebsd-hackers@freebsd.org X-Rspamd-Queue-Id: 47SmkW4MwVz494S X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=YMbloR9f; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of dariusmihaim@gmail.com designates 2607:f8b0:4864:20::f2f as permitted sender) smtp.mailfrom=dariusmihaim@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; TO_DN_SOME(0.00)[]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; IP_SCORE(0.00)[ipnet: 2607:f8b0::/32(-2.23), asn: 15169(-1.93), country: US(-0.05)]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Dec 2019 17:56:36 -0000 On Wed, Dec 4, 2019, 18:22 Wojciech Puchar wrote: > >>> > >>> Try 4 cores, and drop the priority boost, you may be causeing > >> > >> Well i need more cores than 4 for that VM. > >> I will try even number (10) and no nice. > > > > If 4 cores performs better than 10 cores why would you want > > performs better per thread. Not as total. > > > removing -P option improved performance a bit. Well - a large bit. > If I remember correctly, windows runs PAUSE very often when idling, so having many cores that stay idle may slow down the system since -P forces context switches when that instruction is executed. Darius