I run the fpm on my laptop ( CPU: i5-8250u ), after the fpm build, and then run the fpm test will spend nearly 3 seconds time on my laptop. From the test information below, it seems that the fpm test spends more time on the io blocking of the query file information. Can it be optimized in the subseq…

Thanks for the feedback @zoziha ! Yes, unfortunately due to the primitive way that we query the filesystem (via a shell command), the listing of package files takes quite a while at the moment. The problem is particularly bad on MS Windows and for deep directory structures. We plan to move away from …

We can use M_system [1] by @urbanjost . If there are no objections, I will work on this issue next week. [1] https://urbanjost.github.io/general-purpose-fortran/BOOK_M_system.html#DOCUMENT43

Many thanks to @une , whose PR to fix this issue just got merged! There should be a noticeable performance improvement, particularly for projects with many source files and for those working on MS Windows. optimize file listing fortran-lang:master …

Much thanks @une . As a bonus this also fixed a bug a client of mine encountered on Windows with a network drive. :fireworks:

[FPM] May be IO blocking problem feedback in fpm test

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zoziha June 23, 2021, 10:27am 3

Thank you for your reply and hope fpm is getting better and better.

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[FPM] May be IO blocking problem feedback in fpm test

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