[Bug middle-end/40965] New: [graphite] slow compilation
jv244 at cam dot ac dot uk
gcc-bugzilla@gcc.gnu.org
Tue Aug 4 19:23:00 GMT 2009
the attached testcase compiles in about 3s with
gfortran -c -ffree-form -O3 -ffast-math -ftree-vectorize -funroll-loops
-march=native -ftime-report bug.f90
but requires about 130s adding -fgraphite-identity to the options
GRAPHITE loop transforms: 123.82 (97%) usr 0.59 (89%) sys 124.37 (97%) wall
2262 kB ( 7%) ggc
--
Summary: [graphite] slow compilation
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Keywords: compile-time-hog
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jv244 at cam dot ac dot uk
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40965
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