Slow FORTRAN formatted output using cygwin 1.5.xx

["Impagnatiello Fabrizio" <Fabrizio dot Impagnatiello at aleniaspazio dot it>]

I wrote lot of FORTRAN programs using massive formatted file outputs.

When passed from 1.3.22 (one of last 1.3.xx) to 1.5.xx (all tested), the
writing/reading performance of relevant SW modules slowed down to few %
of before experienced performance (typically 20-30 times worse).

When compiling the same code with -mno-cygwin, the performance increases
again.

Then, there are some cygwin1.dll entry points for IO functions that have
been either strongly damaged or unoptimised ??

Thanks

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