#12016: parallelism in Sage: just use value of 'MAKE'
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Reporter: jhpalmieri | Owner: GeorgSWeber
Type: enhancement | Status: needs_review
Priority: critical | Milestone: sage-4.8
Component: build | Keywords:
Work_issues: | Upstream: N/A
Reviewer: John Palmieri, Jeroen Demeyer | Author: John Palmieri,
Jeroen Demeyer
Merged: | Dependencies: sage-4.8.alpha3
+ #12096
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Comment(by jdemeyer):
Replying to [comment:34 jhpalmieri]:
> - zlib on OS X (2 cores) fails most of the time with `MAKE='make -j
-l3'`. [http://sage.math.washington.edu/home/palmieri/misc/zlib-1.2.5.log
Here's a log.]
> - singular on sage.math fails all of the time, I think, with
`MAKE='make -j -l30'`.
[http://sage.math.washington.edu/home/palmieri/misc/singular-3-1-3-3.p1.log
Here's a log.]
Since my patches properly implement parallel building, it also means that
more packages are actually being built in parallel. So I think we are
simply triggering bugs in the various packages. For example, I never had
problems with Python before, but I did have problems with this patch
(fixed in #12096).
I cannot explain why "make -j -lN" would fail but "make -jN" would work.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12016#comment:36>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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