--- Comment #5 from jvdelisle at gcc dot gnu dot org 2008-11-09 18:18
---
After doing some more testing and comparing g77 vs gfortran, gfortran actually
provides higher resolution 1000 ticks/sec then g77 100 ticks/second on at least
my platform (x86-64-linux) On Cygwin, results are iden
--- Comment #4 from jvdelisle at gcc dot gnu dot org 2008-11-09 07:46
---
According to the g77 documentation, system_clock uses the times(2) function.
gfortran uses either the time(2) (note no 's' on the end of the name) or the
gettimeofday function. When I revise the gfortran routine
--- Comment #3 from jvdelisle at gcc dot gnu dot org 2008-11-03 02:17
---
I will add this to my list and see if we can get to what g77 does.
--
jvdelisle at gcc dot gnu dot org changed:
What|Removed |Added
-
--- Comment #2 from burnus at gcc dot gnu dot org 2008-10-15 06:33 ---
See also PR 28484 comment 5.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37832
--- Comment #1 from kargl at gcc dot gnu dot org 2008-10-15 05:50 ---
You can already get an integer(8) result.
integer(8) ticks,rate
call system_clock(count=ticks,count_rate=rate)
print *, ticks, rate
end
gfc -o z a.f90
./z
2131173368 1000
count_rate is det
