On Mon, Sep 24, 2007 at 11:55:21AM +0200, Helge Hafting wrote: > [EMAIL PROTECTED] wrote: > >Does anyone know roughly how long it takes to build LyX on a machine > >with one of these processors: > >* Core 2 Duo E4300 > >* AMD Athlon 64 X2 4000+ > >* AMD Athlon X2 BE-2400 (or BE-2350) > > > >The reason for my strange question is that I'm going to buy a server > >to have at home, and I'm using LyX development as my personal > >motivation for getting hardware that's more powerful than I really > >need... The server will act as my PVR, personal wiki, file server etc, > >but in addition I'm going to use it for LyX development. Compiling LyX > >will the most heavy task of the server. > > > >Actually, my plan is to install one or more virtual machines in it and > >then do LyX compilations there - so the next time Andre' breaks the > >build process, I'll give him an account and he can look at the problem > >directly. > > Hm - virtualization tends to slow things down - why bother?
The virtualization overhead is almost invisible if done right. A vmware linux gues on a vmware linux host goes at >95% full speed last time I actively used it. > >A somewhat related question: Is a quad core an advantage when it comes > >to building LyX? Is the linking stage multi-threaded? > > I don't know about LyX in particular, but compiling can generally take > advantage of many cores. (Look at the man pages for make, > it supports the parameter -j <num> where you specify > the number of parallel threads. Specify at least as many as you > have cores, perhaps 1 more. Then you enjoy a 4x speedup on > a quad-core machine. :-) -j 6 sounds reasonable for quad cores. Andre'
