Polyhedron b'marks | Linux vs Windows

[Jerry DeLisle]

On 06/01/2014 03:57 PM, Evan Cooch wrote:
> So, have a box running a new-ish, fairly high-end Intel multi-core chip
> (which one doesn't really matter here). Decided to see if the OS
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A few years ago I was investigating some of these benchmark issues.

I do not remember all the details, but I did find that at least one of the
common libraries was implementing some of the basic trig functions, such as
sin(), with software only methods and was not using the floating point
co-processor capability in most modern CPUs.

I attempted to get a maintainer to update this code and use the available
hardware.  I was met with a response more or less "Does it make a real
difference in a real application?"  That is a legitimate question and I don't
have an answer.

You might contrive a simple benchmark that just exercises a few functions in a
tight loop and see if this is what you are seeing.

Regards,

Jerry