From owner-freebsd-ports@freebsd.org Sat Nov 4 21:14:07 2017 Return-Path: Delivered-To: freebsd-ports@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 534B1E561C4 for ; Sat, 4 Nov 2017 21:14:07 +0000 (UTC) (envelope-from jbeich@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 357B482D10; Sat, 4 Nov 2017 21:14:07 +0000 (UTC) (envelope-from jbeich@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1354) id 655C112BB7; Sat, 4 Nov 2017 21:14:06 +0000 (UTC) From: Jan Beich To: Pete Wright Cc: freebsd-ports@freebsd.org Subject: Re: FireFox memory usage References: <20171104124932.08551078@kalimero.tijl.coosemans.org> <503ed6c2-34da-4342-cd72-87ee8e85f8bb@nomadlogic.org> Date: Sat, 04 Nov 2017 22:13:51 +0100 In-Reply-To: <503ed6c2-34da-4342-cd72-87ee8e85f8bb@nomadlogic.org> (Pete Wright's message of "Sat, 4 Nov 2017 08:56:01 -0700") Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: freebsd-ports@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Porting software to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 Nov 2017 21:14:07 -0000 Pete Wright writes: > On 11/04/2017 04:49, Tijl Coosemans wrote: >> On Wed, 01 Nov 2017 21:10:13 +0100 Jan Beich wrote: >>> Jan Beich writes: >>>> Andrea Venturoli writes: >>>>> I'm on 10.3/amd64 with firefox-esr 52.3.0. >>>>> >>>>> Since a few days my 4GiB desktop is crawling due to swap usage and >>>>> looking at top, I see FireFox using almost 7GiB of RAM (SIZE column), >>>>> 2.5 of which are "RES". >>>> Check about:memory and Devolper Tools -> Memory for clues. For more >>>> advanced debugging (DMD, Refcount tracing) you'd need a custom build. >>>> >>>> Firefox on FreeBSD is known to consume more memory than on other >>>> platforms because it uses system jemalloc rather than mozjemalloc. >>>> Mozilla doesn't test memory usage without mozjemalloc. However, porting >>>> mozjemalloc has stalled[1] unless someone helps. >>>> >>>> [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1153683 >>> If one is on Firefox 55+ or FreeBSD 12+ while suboptimal compared to >>> mozjemalloc the old jemalloc4 optimizations can be restored by >>> >>> $ MALLOC_CONF="narenas:1,tcache:false" firefox ... >>> >>> https://dxr.mozilla.org/mozilla-esr52/source/memory/build/jemalloc_config.cpp#35 >> This appears to be such a huge improvement that you should really put >> this in the port even if it's still not as good as mozjemalloc. > i can confirm a huge perf improvement by reverting to jemalloc4. would > this patch ensure we use this by default until mozjemalloc for FreeBSD > is sorted out? > > diff --git a/www/firefox/Makefile b/www/firefox/Makefile > index 7da37422ad82..b9a349e5d217 100644 > --- a/www/firefox/Makefile > +++ b/www/firefox/Makefile > @@ -46,7 +46,8 @@ FIREFOX_ICON_SRC= > ${PREFIX}/lib/${MOZILLA}/browser/chrome/icons/default/default4 > MOZ_EXPORT= BINDGEN_CFLAGS="-isystem${LOCALBASE}/include/nspr \ > -isystem${LOCALBASE}/include/pixman-1" # XXX > bug 1341234 > MOZ_OPTIONS= --enable-application=browser \ > - --enable-official-branding > + --enable-official-branding \ > + --enable-jemalloc=4 --enable-jemalloc=4 is gone as of Firefox 55. https://bugzilla.mozilla.org/show_bug.cgi?id=1363992