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On Tuesday 20 April 2010 03:24:11 Steven Trogdon wrote: |
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> On 04/19/10 - 12:29:01, Christopher Schwan wrote: |
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> > Hi, |
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> > |
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> > as some of us know there a lot of failures on amd64 when running |
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> > Sage's set of |
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> > tests. Now I found out that pari caused some of these (I dont know |
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> > exactly how |
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> > many, but I will do a full test run later), because it was compiled |
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> > without "- |
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> > fno-strict-aliasing". I have written a bug report for that: |
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> > |
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> > - https://bugs.gentoo.org/show_bug.cgi?id=316139 |
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> > |
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> > In short: Add -fno-strict-aliasing to your CFLAGS and recompile pari |
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> > and there |
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> > should be less failing tests. |
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> > |
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> > Cheers, |
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> > |
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> > Christopher |
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> |
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> Christopher, |
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> |
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> This is significant! I'm listing test results here for comparison (pari |
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> w/ USE=gmp): |
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> |
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> Failures with CFLAGS="-march=k8 -O2 -pipe" and CXXFLAGS="${CFLAGS}" on |
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> a single processor laptop: |
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> |
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> sage -t -force_lib |
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> "devel/sage/doc/en/constructions/plotting.rst" |
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> sage -t -force_lib "devel/sage/sage/combinat/iet/strata.py" |
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> sage -t -force_lib "devel/sage/sage/interfaces/gp.py" |
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> sage -t -force_lib "devel/sage/sage/libs/pari/gen.pyx" |
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> sage -t -force_lib "devel/sage/sage/symbolic/expression.pyx" |
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> sage -t -force_lib |
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> "devel/sage/sage/gsl/probability_distribution.pyx" |
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> sage -t -force_lib "devel/sage/sage/lfunctions/lcalc.py" |
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> sage -t -force_lib "devel/sage/sage/plot/plot.py" |
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> sage -t -force_lib "devel/sage/sage/graphs/digraph.py" |
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> sage -t -force_lib "devel/sage/sage/graphs/graph.py" |
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> sage -t -force_lib "devel/sage/sage/misc/dist.py" |
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> sage -t -force_lib "devel/sage/sage/misc/cython.py" |
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> sage -t -force_lib "devel/sage/sage/misc/package.py" |
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> sage -t -force_lib |
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> "devel/sage/sage/functions/transcendental.py" |
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> sage -t -force_lib "devel/sage/sage/functions/special.py" |
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> sage -t -force_lib |
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> "devel/sage/sage/modules/vector_real_double_dense.pyx" |
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> sage -t -force_lib |
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> "devel/sage/sage/modules/vector_double_dense.pyx" |
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> sage -t -force_lib "devel/sage/sage/modular/modsym/space.py" |
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> sage -t -force_lib "devel/sage/sage/matrix/matrix1.pyx" |
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> sage -t -force_lib "devel/sage/sage/sets/set.py" |
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> sage -t -force_lib "devel/sage/sage/numerical/optimize.py" |
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> |
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> Failures with CFLAGS="-march=opteron -O2 -pipe" and |
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> CXXFLAGS="${CFLAGS}" on a dual processor, dual core desktop: |
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> |
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> sage -t -force_lib |
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> "devel/sage/doc/en/constructions/plotting.rst" |
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> sage -t -force_lib "devel/sage/sage/misc/cython.py" |
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> sage -t -force_lib "devel/sage/sage/misc/package.py" |
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> sage -t -force_lib "devel/sage/sage/misc/dist.py" |
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> sage -t -force_lib "devel/sage/sage/symbolic/expression.pyx" |
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> sage -t -force_lib "devel/sage/sage/lfunctions/sympow.py" |
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> sage -t -force_lib "devel/sage/sage/lfunctions/lcalc.py" |
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> sage -t -force_lib "devel/sage/sage/combinat/iet/strata.py" |
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> sage -t -force_lib |
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> "devel/sage/sage/combinat/words/suffix_trees.py" # Killed/crashed |
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> sage -t -force_lib |
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> "devel/sage/sage/combinat/posets/hasse_diagram.py" # Killed/crashed |
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> sage -t -force_lib "devel/sage/sage/interfaces/gp.py" |
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> sage -t -force_lib |
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> "devel/sage/sage/categories/coxeter_groups.py" # Killed/crashed |
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> sage -t -force_lib |
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> "devel/sage/sage/categories/finite_coxeter_groups.py" # Killed/crashed |
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> sage -t -force_lib "devel/sage/sage/matrix/matrix1.pyx" |
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> sage -t -force_lib "devel/sage/sage/plot/plot.py" |
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> sage -t -force_lib |
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> "devel/sage/sage/modular/hecke/submodule.py" |
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> sage -t -force_lib "devel/sage/sage/modular/abvar/abvar.py" |
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> sage -t -force_lib "devel/sage/sage/modular/modsym/space.py" |
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> sage -t -force_lib "devel/sage/sage/sets/set.py" |
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> sage -t -force_lib |
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> "devel/sage/sage/schemes/elliptic_curves/ell_rational_field.py" |
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> sage -t -force_lib |
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> "devel/sage/sage/modules/vector_double_dense.pyx" |
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> sage -t -force_lib |
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> "devel/sage/sage/modules/vector_real_double_dense.pyx" |
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> sage -t -force_lib "devel/sage/sage/graphs/graph_list.py" # |
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> Killed/crashed |
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> sage -t -force_lib "devel/sage/sage/graphs/digraph.py" |
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> sage -t -force_lib "devel/sage/sage/graphs/cliquer.pyx" # |
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> Killed/crashed |
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> sage -t -force_lib "devel/sage/sage/graphs/graph.py" |
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> sage -t -force_lib |
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> "devel/sage/sage/gsl/probability_distribution.pyx" |
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> sage -t -force_lib "devel/sage/sage/numerical/optimize.py" |
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> sage -t -force_lib "devel/sage/sage/geometry/polyhedra.py" # |
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> Killed/crashed |
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> sage -t -force_lib "devel/sage/sage/libs/pari/gen.pyx" |
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> sage -t -force_lib |
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> "devel/sage/sage/functions/transcendental.py" |
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> sage -t -force_lib "devel/sage/sage/functions/special.py |
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> |
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> All of the tests with "Killed/crashed" passed on the desktop when pari |
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> was built without |
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> "-fno-strict-aliasing". |
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|
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You surely mean _with_ "-fno-strict-aliasing" ? |
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|
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> |
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> Steve |
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|
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Christopher |
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