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fftwf tests running for 25+ hours - is this normal?

From: Chris Marusich
Subject: fftwf tests running for 25+ hours - is this normal?
Date: Mon, 14 Oct 2019 20:46:01 -0700
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)


I've been trying to reconfigure my system on my x200 laptop.  It's been
a day or two, and I've found that my computer has spent the last 25
hours running fftwf tests.  I know my laptop is rather weak (2 cores, 8
GB of memory, an SSD) compared to most desktops today, but still, 25
hours seems pretty long.

Guix is running

  make check -j 2

which ultimately calls

  perl -w ./ -r -c=30 -v --nthreads=2 

which calls

  /tmp/guix-build-fftwf-3.3.8.drv-0/fftw-3.3.8/tests/.libs/bench -o nthreads=2 
--verbose=1 --verify //obcd34320 [... a lot of arguments ...]

Despite the fact that "-j 2" was provided to make, only 1 CPU is pegged
at 100% utilization.  I suppose I'll just wait and see what happens, but
25 hours feels very long.  It seems on, the build times
are generally less than 1 hour:

Is this normal, or should I kill the build and try again?  What kind of
system is building on (how many cores, how much memory)?


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