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Hi,
my fortran compiler has very slow running times with Visual Studio 2019. Just before I used Geany and shell commands in Linux.
To test VS I run a program ( with two step sizes) . The calcuation times are 2 and 145 seconds with Geany/Linux. But with VS it takes 10 and 810 seconds. So it is much slower.
Then I tried the windows command shell and the running times are compared to the Linux ones.
I tried to set everything to fast speed in the VS compiler options, but it didn't improve anything.
What can there be wrong?
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Which configuration ("debug" or "release") did you use in Visual Studio?
Attach a copy of the Visual Studio build-log (buildlog.htm) to your reply.

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