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Subject: [boost] [Timer] Inconsistent behaviour
From: Jordans, R. (r.jordans_at_[hidden])
Date: 2008-10-29 05:27:06

Hey all,

I was looking at Boost.Timer and I noticed that it shows different results when it's used in a threaded program on Windows or Unix machines. A closer inspection revealed that it uses clock() to do it's timings.

Digging a bit deeper I found that clock() is specified differently on Windows than it is in my Linux man-page. On windows it counts 'wall clock' time, basically what I'd expect from a class named timer but on Linux it counts CPU time. Thus it will give the result for completely different concepts of time elapsed depending on my system.

Two questions; 1) is there a good way to solve this, 2) if not, could it at least be noted in the documentation.


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