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From: =?utf-8?Q?Dominique_d=27Humi=C3=A8res?= <dominiq@lps.ens.fr>
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Subject: Re: [patch, libfortran] Speed up cshift for dim > 1
Message-Id: <B1F0FF5A-F160-494F-9C45-8EA029B41933@lps.ens.fr>
Date: Fri, 16 Jun 2017 15:14:00 -0000
Cc: gfortran <fortran@gcc.gnu.org>, gcc-patches <gcc-patches@gcc.gnu.org>
To: Thomas Koenig <tkoenig@netcologne.de>
X-SW-Source: 2017-06/txt/msg01206.txt.bz2

Hi Thomas,

Your patch works as advertised! For the record, the following CSHIFT is sti=
ll 4 times slower than the DO loop

    td(:,:) =3D cshift(array=3Dt(:,:), shift=3Dvect(:), dim=3D1)

Thanks for working on this issue.

Dominique