[Bug fortran/87622] coarray does not run in parallel

tkoenig at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Oct 17 19:50:00 GMT 2018


Thomas Koenig <tkoenig at gcc dot gnu.org> changed:

           What    |Removed                     |Added
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #6 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
(In reply to Andreas Klein from comment #5)

> Adding initialzation removes the effect.
> There is still a 20% decresed performance, but that are plausible cache 
> effects.

OK, I'll close this bug then.

> Sorry my minimal example was to minimal. I derived the mini example from a 
> big parallel linear algebra package. Now I must go throgh all 
> minimalization steps, but its possible that the original error has nothing 
> to do with coarrays.

If you find anything that we could fix, please open a new PR.

And thanks for the PR anyway - it is better to open something that
later turns out to be invalid (I've submitted a few PRs like that) than
to miss something.

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