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Re: GCC 4.1: Buildable on GHz machines only?


Joe Buck writes:
 > On Wed, Apr 27, 2005 at 07:40:37PM -0600, Tom Tromey wrote:
 > > >>>>> "Paul" == Paul Koning <pkoning@equallogic.com> writes:
 > > 
 > > Paul> Maybe.  Then again, maybe there are real problems here.  The ranlib
 > > Paul> one was already mentioned.  And I wonder if libjava really needs to
 > > Paul> bring the host to its knees, as it does.
 > > 
 > > Killing machines is only a secondary goal, if that's what you mean ;-)
 > > 
 > > The bad news is that libjava is only going to grow.
 > > 
 > > On the other hand, while I haven't measured it myself, I've heard that
 > > a lot of the time in the libjava build is spent in libtool (versus
 > > plain old ld).  Perhaps that can be alleviated somehow.
 > 
 > Has anyone looked at oprofile data for the libjava build?

Again:

CPU: CPU with timer interrupt, speed 0 MHz (estimated)
Profiling through timer interrupt
          TIMER:0|
  samples|      %|
------------------
  1770547 63.0596 no-vmlinux
   415708 14.8058 libc-2.3.4.so
   259889  9.2562 ltsh
   257355  9.1659 jc1
    22111  0.7875 cc1plus
    20260  0.7216 as
    19289  0.6870 ld-2.3.4.so
    10502  0.3740 make
     5921  0.2109 sed
     5163  0.1839 libbfd-2.15.92.0.2.so
     2855  0.1017 gcj
     2724  0.0970 cc1
     2218  0.0790 libz.so.1.2.1.2
     2154  0.0767 grep
     2019  0.0719 xterm
     1864  0.0664 ld

Andrew.


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