From: Ruben V. B. <van...@gm...> - 2012-09-24 17:08:45
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2012/9/24 K. Frank <kfr...@gm...> > Hi Ruben! > > On Mon, Sep 24, 2012 at 10:28 AM, Ruben Van Boxem > <van...@gm...> wrote: > > 2012/9/24 K. Frank <kfr...@gm...> > > > >> Hello Ruben! > >> > >> On Mon, Sep 24, 2012 at 8:11 AM, Ruben Van Boxem > >> <van...@gm...> wrote: > >> > Hi everyone, > >> > > >> > I started investigating my gdb build's slowness. > >> > ... > >> ... > >> So I see what Ruben sees (most of the time spent reading the > >> symbols from the two big Qt dll's), except that the times I see > >> are much longer -- three to four times as long. > >> ... > > ... > > That is indeed quite long, but the relative times look like what I see. I > > suppose the 3.2 GHz quad vs 1.6GHz might explain the slowness. GDB was > never > > fast on Windows :P > > ... > >> I don't really understand what compatibility requirements there are > >> between g++ and gdb, but if you think that I could use your new > >> gdb with my existing Qt / test app, I'd be happy to give it a try > >> and report back timings. (I don't really want to rebuild Qt in order > >> to perform the test.) > > > > Not necessary. The fault lies (afaict) entirely with the native language > > support option I built GDB with previously. Expect my next build to have > > this fix. I could build a seperate GDB package, but only if someone > really > > really needs it. > > Well, I have no desperate need for a separate GDB package (as my > code -- ahem -- is bug free ...). When you release your next build, > should I be able to just snip out gdb.exe, and try it, or would there > be some kind of incompatibilities with my current installation? > There might be. GDB could change internally. Remember that as long as you're sticking with the same GCC major release, everything should keep working. Except for 4.7.2 vs 4.7.1 and 4.7.0 in C++11 object code, where they changed ABI for some reason. Ruben > > > Cheers, > > > > Ruben > > Thanks. > > > K. Frank > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Mingw-w64-public mailing list > Min...@li... > https://lists.sourceforge.net/lists/listinfo/mingw-w64-public > |