Yes, this was widely publicized when discovered, yet most people won't make the change if it's not the default.
-Ben On Thu, Oct 29, 2009 at 3:42 PM, Jeremy Orlow <jor...@chromium.org> wrote: > From http://dev.chromium.org/developers/how-tos/build-instructions-windows > > Ensure that /MP is enabled. You can do this by creating a file called inc > lude.gypi which contains the following lines: > { > 'variables': { > 'msvs_multi_core_compile': 1 > } > } > > Put this file in a folder called .gyp under your home directory. On > Windows, this will be something like: C:\Documents and > Settings\<username>\.gyp\include.gypi, or if you are on Vista: > C:\Users\<username>\.gyp\include.gypi. Make sure you run"gclient runhooks > --force" after creating this file to rebuild the project files, forcing > GYP to output /MP. > > > > Btw, A month or two back someone posted build times from 2005 and 2008. > 2005 was faster. > > > On Thu, Oct 29, 2009 at 2:40 PM, Ben Goodger (Google) > <b...@chromium.org>wrote: > >> It does seem slower, however never having to remember to patch the >> appropriate vsprops/gypi with /MP is a big win. When I was ordering the new >> machines I found most people on the team I asked were not doing this, and as >> a result their builds were 2-3x slower. >> >> -Ben >> >> On Thu, Oct 29, 2009 at 2:38 PM, Mike Belshe <mbel...@google.com> wrote: >> >>> I've been using VS2008 on Win7 for the last month or so. >>> >>> I hate it. >>> >>> Problems: >>> >>> 1) Stepping in the debugger is SOOOOOOO slow. I am thinking about going >>> back to VS2005. >>> 2) If you turn on Intellisense, it crashes like crazy very regularly. >>> I've turned off intellisense, but it is a big loss in productivity to do so >>> >>> I strongly recommend against VS2008; do others have these problems? >>> >>> Mike >>> >>> >>> On Thu, Oct 29, 2009 at 2:27 PM, Ben Goodger (Google) >>> <b...@chromium.org>wrote: >>> >>>> FYI. >>>> >>>> VS2008 builds with /MP by default, and it's well supported, so when >>>> present there's no reason for us to not use it by default. Note that you >>>> can >>>> still force VS2005 by setting GYP_MSVS_VERSION=2005 in your environment. >>>> >>>> Thanks Brad! >>>> >>>> -Ben >>>> >>>> ---------- Forwarded message ---------- >>>> From: <b...@chromium.org> >>>> Date: Thu, Oct 29, 2009 at 2:26 PM >>>> Subject: Re: Switching vs2008 to be preferred when present. >>>> To: bradnel...@google.com >>>> Cc: gyp-develo...@googlegroups.com >>>> >>>> >>>> LGTM >>>> >>>> >>>> http://codereview.chromium.org/341041 >>>> >>>> >>>> >>>> >>> >> >> >> >> > --~--~---------~--~----~------------~-------~--~----~ Chromium Developers mailing list: chromium-dev@googlegroups.com View archives, change email options, or unsubscribe: http://groups.google.com/group/chromium-dev -~----------~----~----~----~------~----~------~--~---
