Re: [Boost-users] boost time resolution

From: Hansi (hansipet_at_[hidden])
Date: 2008-05-08 06:20:31

In this case it is the resolution of the windows timer...

Patrick Loney schrieb:
> Hello,
> 
> I'm using the following code to trace the time different sections of
> code take to execute (where btime = boost::posix_time):
> 
> btime::to_iso_extended_string( btime::microsec_clock::universal_time() )
> 
> I am finding that a lot of things are happening simultaneously (or
> rather in the same micro second) and then some random operation (perhaps
> the declaration of a variable, perhaps a DB query) will take 0.015 (ish)
> seconds.
> 
> The software is running on windows XP service pack 2.
> 
> Is there a known resolution issue using the microsec_clock on windows
> xp?
> Will using a boost time period have the same issue?
> 
> Thanks in advance,
> Patrick
> 
> ******************************************************************************
> 
> "This message and any attachments are solely for the intended recipient and may contain confidential and privileged information. If you are not the intended recipient, any disclosure, copying, use, or distribution of the information included in this message and any attachments is prohibited. If you have received this communication in error, please notify us by reply e-mail and immediately and permanently delete this message and any attachments. Thank you."
> 
> Interactive Transaction Solutions Ltd (2473364 England)
> 
> Registered Office: 
> Systems House, 
> Station Approach
> Emsworth PO10 7PW
> 
> **********************************************************************
> 
> Ce message électronique contient des informations confidentielles à l'usage unique des destinataires indiqués, personnes physiques ou morales. Si vous n'êtes pas le destinataire voulu, toute divulgation, copie, ou diffusion ou toute autre utilisation de ces informations, est interdite. Si vous avez reçu ce message électronique par erreur, nous vous remercions d'en avertir son expéditeur immédiatement par email et de détruire ce message ainsi que les éléments attachés.
> 
> Interactive transaction Solutions SAS- France (RCS Pontoise : 489 397 877)
> 
> Siège social :
> Parc Saint Christophe, 
> 10, Avenue de l’Entreprise
> 95865 Cergy-Pontoise Cedex
> 
> ______________________________________________________________________
> This email has been scanned by the MessageLabs Email Security System.
> For more information please visit http://www.messagelabs.com/email 
> ______________________________________________________________________
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> Boost-users mailing list
> Boost-users_at_[hidden]
> http://lists.boost.org/mailman/listinfo.cgi/boost-users