Saturday, May 31, 2014

Re: [fedora-arm] Performance test of X64 compared to arm

On Fri, 30 May 2014, Gordan Bobic wrote:

> That'll be very dependant on the exact application, and compiler. If
> you just want a very rough data point I guess you could benchmark a
> sha512sum loop on a large file on tmpfs generated from /dev/urandom.
> It's as meaningless a number as most, but a lot less meaningless than
> BogoMIPS - all that measures is how fast the CPU can idle, which in
> most cases nowdays is going to be the same as the CPU clock speed.

Actually the bogomips is now calibrated with a timer, regardless of the
CPU clock speed. The printing of the bogomips value has therefore been
removed since it is even more meaningless than it used to be.


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