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Re: Re : execution time of a c++ program

From: Ian Lance Taylor <iant at google dot com>
To: charfi asma <charfiasma at yahoo dot fr>
Cc: gcc-help at gcc dot gnu dot org
Date: Wed, 21 Apr 2010 08:27:51 -0700
Subject: Re: Re : execution time of a c++ program
References: <22913.21654.qm@web28516.mail.ukl.yahoo.com> <mcry6ggx368.fsf@dhcp-172-17-9-151.mtv.corp.google.com> <786353.7155.qm@web28503.mail.ukl.yahoo.com>

charfi asma <charfiasma@yahoo.fr> writes:

> I heared that gprof can provide such info, am I wrong ?

You can use gprof to tell you how much time is spent in different
functions in your program, yes.


> One of code optimization goal is to reduce execution time, and gcc users had to measure the execution time of a program to evaluate optimizations.
> they should be familiar with tools that measures the execution time...

Sure.  For example, the Unix time command.

Ian

References:
- execution time of a c++ program
  - From: charfi asma
- Re: execution time of a c++ program
  - From: Ian Lance Taylor
- Re : execution time of a c++ program
  - From: charfi asma

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