is g++ 3.1 too slow?

Reza Roboubi reza@linisoft.com
Wed Aug 7 13:40:00 GMT 2002


Andrew Pinski wrote:
> 
> can you run g++ 3.1 with the option -ftime-report and report


Execution times (seconds)
 garbage collection    :   0.27 ( 3%) usr   0.00 ( 0%) sys   0.27 ( 3%)
wall
 cfg construction      :   0.04 ( 0%) usr   0.00 ( 0%) sys   0.03 ( 0%)
wall
 life analysis         :   0.65 ( 7%) usr   0.04 (13%) sys   0.69 ( 7%)
wall
 life info update      :   0.29 ( 3%) usr   0.00 ( 0%) sys   0.30 ( 3%)
wall
 preprocessing         :   0.08 ( 1%) usr   0.01 ( 3%) sys   0.11 ( 1%)
wall
 lexical analysis      :   0.12 ( 1%) usr   0.03 ( 9%) sys   0.16 ( 2%)
wall
 parser                :   0.87 (10%) usr   0.11 (34%) sys   0.97 (10%)
wall
 expand                :   1.11 (12%) usr   0.03 ( 9%) sys   1.14 (12%)
wall
 integration           :   0.05 ( 1%) usr   0.00 ( 0%) sys   0.05 ( 1%)
wall
 jump                  :   0.08 ( 1%) usr   0.01 ( 3%) sys   0.09 ( 1%)
wall
 flow analysis         :   0.02 ( 0%) usr   0.00 ( 0%) sys   0.02 ( 0%)
wall
 mode switching        :   0.12 ( 1%) usr   0.00 ( 0%) sys   0.12 ( 1%)
wall
 local alloc           :   0.80 ( 9%) usr   0.01 ( 3%) sys   0.78 ( 8%)
wall
 global alloc          :   2.08 (23%) usr   0.03 ( 9%) sys   2.12 (23%)
wall
 flow 2                :   0.02 ( 0%) usr   0.00 ( 0%) sys   0.02 ( 0%)
wall
 shorten branches      :   0.19 ( 2%) usr   0.00 ( 0%) sys   0.19 ( 2%)
wall
 reg stack             :   0.15 ( 2%) usr   0.00 ( 0%) sys   0.16 ( 2%)
wall
 final                 :   1.45 (16%) usr   0.04 (12%) sys   1.48 (16%)
wall
 symout                :   0.06 ( 1%) usr   0.00 ( 0%) sys   0.06 ( 1%)
wall
 rest of compilation   :   0.51 ( 6%) usr   0.00 ( 0%) sys   0.53 ( 6%)
wall
 TOTAL                 :   9.02             0.32             9.36


> back and also you report the cpu/OS.


from  /proc/version I get:
---------------------------
Linux version 2.2.16-3 (root@porky.devel.redhat.com) (gcc version
egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)) #1 Mon Jun 19 18:10:14
EDT 2000


and the cpu is:
---------------
AMD-K6(tm) 3D processor 350 MHz.

Thanks, Reza.



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