On Fri, Nov 20, 2015 at 8:21 AM, Jim Wilson wrote:
> A cygwin hosted cross compiler to aarch64-linux, compiling a C version
> of linpack with -Ofast, produces code that runs 17% slower than a
> linux hosted compiler. The problem shows up in the vect dump, where
> some
A cygwin hosted cross compiler to aarch64-linux, compiling a C version
of linpack with -Ofast, produces code that runs 17% slower than a
linux hosted compiler. The problem shows up in the vect dump, where
some different vectorization optimization decisions were made by the
cygwin compiler than