[petsc-users] Configure slowness

[Satish Balay]

cygwin is slow. And configure does 100s of compiles and other sequential steps [and we use a win32fe compile wrapper that adds extra I/O,run-time cost for each compile]

Satish

On Mon, 13 Sep 2021, Matthew Knepley wrote:

> On Mon, Sep 13, 2021 at 7:18 AM Hamid <badi.hamid at gmail.com> wrote:
> 
> > Hi,
> >
> >
> >
> > Do you know why configure is very very slow using cygwin/python ? It takes
> > more that 10min to finalize.
> >
> 
> We believe this is due to a very slow filesystem. Almost all the time in
> configure is filesystem operations.
> NTFS is just very slow, and this probably accounts for the difference with
> the Linux runtime.
> 
> One option is to build using WSL
> 
>   Thanks,
> 
>      Matt
> 
> 
> >
> >
> > Best regards.
> >
> >
> >
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> 
>