Re: time gives a strange result

2021-01-14 Thread Eugene Grosbein
14.01.2021 8:16, Erich Dollansky wrote:

> Hi,
> 
> all my make commands run as time make ...
> 
> I just got this result compiling scribus:
> 
> 5m19.94s real   1h15m31.76s user5m20.87s sys
> 
> I do not know how long it really took but 1h seems far to high. It
> really could be 15min.
> 
> NTPD is running. I did not notice any large time adjustments.

If you use 16 cores or more, numbers look fine: ~ 5min 20 sec "real" (wall 
clock) time
spent to utilize nearly all power of CPU cores summarized to user+sys times.

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Re: time gives a strange result

2021-01-14 Thread Erich Dollansky
Hi,

On Thu, 14 Jan 2021 16:17:52 +0700
Eugene Grosbein  wrote:

> 14.01.2021 8:16, Erich Dollansky wrote:
> 
> > Hi,
> > 
> > all my make commands run as time make ...
> > 
> > I just got this result compiling scribus:
> > 
> > 5m19.94s real   1h15m31.76s user5m20.87s sys
> > 
> > I do not know how long it really took but 1h seems far to high. It
> > really could be 15min.
> > 
> > NTPD is running. I did not notice any large time adjustments.  
> 
> If you use 16 cores or more, numbers look fine: ~ 5min 20 sec "real"
> (wall clock) time spent to utilize nearly all power of CPU cores
> summarized to user+sys times.

yes, I also noticed meanwhile with Sijmen's help.

I am now for 20 years on FreeBSD on machines with at least two CPUs but
I never noticed this.

Erich
> 
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