[lfs-support] Final GCC Compile Weirdness - 1 Time? No, 2 nd Time? Perfect!

Bruce Dubbs bruce.dubbs at gmail.com
Tue Jan 10 08:11:45 PST 2012


Simon Geard wrote:
> On Mon, 2012-01-09 at 08:57 -0700, jasonpsage at jegas.com wrote:
>> Now, I wouldn't care that much except even running on a DEDICATED 32bit
>> Linux (Slackware 13.37) with MAKEFLAGS set to EIGHT to use all CORES...
>> it takes a while... So running the procedure twice is time 
>> consuming.. We're talking hours on a new i7 DELL XPS Studio (Quad Core
>> with hyper-threading - its like having EIGHT CPU)
> 
> Is 'hours' an exaggeration, or is that really what you're seeing? On a
> modern machine like that, the gcc build should be something like five
> minutes... 

Well 5 minutes is pretty quick.  I have:

Chapter 5 [gcc-pass1]  8 minutes and 22 seconds
Chapter 5 [gcc-pass2] 11 minutes and 37 seconds
Chapter 6 [gcc ]      78 minutes and 35 seconds

Using only 1 core for consistent timing.

   -- Bruce




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