On Sat, Aug 06, 2011 at 03:16:43PM +0200, Toon Moene wrote: > On 08/06/2011 11:22 AM, Mikael Morin wrote: > > >WRT to bootstrap time, as usual: it's too long. > > Well, that all depends on your (time) frame of reference, of course. In > the summer months leading up to Craig Burley asking for volunteers > testing g77 (the g77-alpha phase), i.e., during the summer of 1992, a > bootstrap of GCC (C and C++) took 8 hours on my single 25 Mhz Motorola > 68040 powered Next Station. > > With the new gcc, I could build a fresh f2c in minutes, and, using that > combo (f2c+gcc) a recompile of our weather forecasting code took another > 10 minutes. > > Nowadays, on a *4 year old* quad core Core 2 machine, building C, C++, > Ada and Fortran takes less than 2 hours, so given that I put in 4 times > as many processors, the rest of the hardware keeps up with providing me > a bootstrap in 1/4th of the time it took 19 years ago, giving me twice > the number of front ends plus run time libraries. > > I think the outlook is good :-) >
You left out the crucial hardware spec. How much memory did you have 19 years ago compared to the system today? My experience with g++ is that it will consume more memory than gcc. -- Steve
