From nobody Fri Jun 2 07:03:45 2023 X-Original-To: gecko@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4QXYrL1fDFz4Yh9H for ; Fri, 2 Jun 2023 07:03:46 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4QXYrK3kQMz4J7k for ; Fri, 2 Jun 2023 07:03:45 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1685689425; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; 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Fri, 2 Jun 2023 07:03:45 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 35273jdR034076 for ; Fri, 2 Jun 2023 07:03:45 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 35273j9K034075 for gecko@FreeBSD.org; Fri, 2 Jun 2023 07:03:45 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: gecko@FreeBSD.org Subject: [Bug 260901] www/firefox dom.ipc.processCount, fission.autostart, dom.ipc.processCount.webIsolated, numbers of processes and impact on performance Date: Fri, 02 Jun 2023 07:03:45 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: performance X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: grahamperrin@freebsd.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: Works As Intended X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: gecko@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Gecko Rendering Engine issues List-Archive: https://lists.freebsd.org/archives/freebsd-gecko List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-gecko@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D260901 --- Comment #7 from Graham Perrin --- Created attachment 242553 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D242553&action= =3Dedit Screenshot: 2023-05-28, fission enabled, dom.ipc.processCount.webIsolated 4 (the default) (In reply to Graham Perrin from comment #2) > =E2=80=A6 an effort to reduce the impact on performance, =E2=80=A6 >From (2021-12-= 07):=20 > =E2=80=A6 can't limit the total number of content processes Fission will = use,=20 > but you can limit the number of content processes Fission will use=20 > per site by setting the dom.ipc.processCount.webIsolated pref (the=20 > default is 4). =E2=80=A6 =F0=A0=84=A3=E2=80=93 and:=20 > =E2=80=A6 I think the memory overhead of each content process is only abo= ut=20 > 20 KB, so there is really not much benefit to decreasing=20 > dom.ipc.processCount.webIsolated. I don't intend to reopen this bug report, but I see nothing like 20 KB in t= he attached screenshot. --=20 You are receiving this mail because: You are the assignee for the bug.=