Problem solved. Coincident with using the new linker I started building the Google Chrome build. This uses breakpad, which turns on stabs, which makes everything slower and bigger by a factor of 5. Only do the Chrome build if you need to is the lesson.
Dave On Sat, Nov 21, 2009 at 8:39 PM, David Moore <davemo...@google.com> wrote: > I checked and I compiled with -O2. I see a similar slowdown in the ar > calls. I also notice that the size of the chrome executable is now 2GB. I > think before the size was closer to 350MB. It was 750MB if you included > webkit symbols. Perhaps something changed about the way we're managing > symbols. > > Dave > > > On Sat, Nov 21, 2009 at 6:50 PM, Antoine Labour <pi...@google.com> wrote: > >> >> >> On Sat, Nov 21, 2009 at 6:24 PM, David Moore <davemo...@google.com>wrote: >> >>> Since I did this upgrade my builds have gotten very very slow. A single >>> file change, recompile and relink used to be about 35 seconds. Now it's 2 >>> and a half minutes. As far as I can tell I'm using the right gold. >>> >>> davemo...@dmoorel:~/chrome/src$ ld --version >>> GNU gold (GNU Binutils 2.20) 1.9 >>> >>> Are other people seeing this on linux? >>> >>> Dave >>> >> >> Make sure you compile gold with -O2. That made a huge difference for me >> when I was playing with it, and that wasn't the default for some reason. >> >> Antoine >> >> >>> On Wed, Nov 18, 2009 at 2:47 AM, Lei Zhang <thes...@chromium.org> wrote: >>> >>>> Hi folks, >>>> >>>> We'll soon be relanding a patch that pass --gc-sections to the linker >>>> on Linux. For this to work, you need either GNU ld or a recent version >>>> of GNU gold. You can test and see if your copy of gold is new enough >>>> by running: >>>> >>>> /path/to/gold --gc-sections >>>> >>>> If you see: "fatal error: no input files", _no action_ is required. >>>> If you see: "--gc-sections: unknown option", then you _need to upgrade_. >>>> >>>> If you installed gold through [1], please run it again. I've updated >>>> the script at r32315 to install gold 2.20. I've also updated all the >>>> Linux build / try bots to gold 2.20. >>>> >>>> [1] http://src.chromium.org/svn/trunk/src/build/install-build-deps.sh >>>> >>>> -- >>>> Chromium Developers mailing list: chromium-dev@googlegroups.com >>>> View archives, change email options, or unsubscribe: >>>> http://groups.google.com/group/chromium-dev >>>> >>> >>> -- >>> Chromium Developers mailing list: chromium-dev@googlegroups.com >>> View archives, change email options, or unsubscribe: >>> http://groups.google.com/group/chromium-dev >>> >> >> > -- Chromium Developers mailing list: chromium-dev@googlegroups.com View archives, change email options, or unsubscribe: http://groups.google.com/group/chromium-dev
