Re: [Boost-users] Threads example question

Subject: Re: [Boost-users] Threads example question
From: Frank Mori Hess (frank.hess_at_[hidden])
Date: 2009-06-24 14:15:11

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On Wednesday 24 June 2009, Anders Wallin wrote:
> I'm trying to learn how to use Boost.Threads with this example:
> http://pastebin.ca/1472832
>
> On Ubuntu 8.04 with Boost 1.34 I'm compiling with a makefile like this:
> t1: t1.o
> 	g++ t1.o /usr/lib/libboost_thread-mt.so -o t1
> t1.o: t1.cpp
> 	g++ -I /usr/include/boost/ -c t1.cpp
>
>
> However I get very similar execution times for the single-threaded
> version and the one which creates two threads.
>
> What am I doing wrong?

boost::timer doesn't tell you the elapsed wall-time necessarily.  On linux, it 
gives elapsed cpu time (which adds together the processing time used by all 
processors).

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