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Re: g++ spent lots of user time

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On Thursday, March 2, 2017 at 12:03:07 AM UTC+8, Johann Klammer wrote:
> On 03/01/2017 03:05 PM, wij@totalbb.net.tw wrote:
> > Why did the compilation took so long in user time?
> > 
> > -----------------
> > $g++ --version
> > g++ (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1)
> > ...
> > 
> > $time g++ -c -Wall -pthread -fPIC dsmain.cpp
> > 
> > real	6m10.623s
> > user	6m8.142s
> > sys	0m0.099s
> > 
> That's g++. especially their C++ compiler is awfully slow. 
> Not sure what it is. maybe the parser... those STL headers
> with all the templates. or their garbage collector. I
> suspect it's not very good at collecting the garbage...
> Maybe it is time to look for alternatives.

I don't use STL, and even the standard library. But I do
start learning another language instead following C++'s many
new things, making codes difficult to comprehend and maintain.

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g++ spent lots of user time wij@totalbb.net.tw - 2017-03-01 06:05 -0800
  Re: g++ spent lots of user time Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2017-03-01 09:50 -0500
    Re: g++ spent lots of user time wij@totalbb.net.tw - 2017-03-01 17:12 -0800
      Re: g++ spent lots of user time Rainer Weikusat <rweikusat@talktalk.net> - 2017-03-02 15:33 +0000
  Re: g++ spent lots of user time Johann Klammer <klammerj@NOSPAM.a1.net> - 2017-03-01 17:18 +0100
    Re: g++ spent lots of user time wij@totalbb.net.tw - 2017-03-01 17:29 -0800

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