Phoronix benchmarks DF 3.2 vs Ubuntu - question

elekktretterr at exemail.com.au elekktretterr at exemail.com.au
Wed Nov 28 01:36:41 PST 2012


> I didn't really want to comment on this, but well - here I go anyway.
> Most (all?) the benchmarks mentioned in the article are
> hardware/compiler benchmarks. Whoever tells you that Dhrystone is a
> benchmark for anything but the compiler (and the underlying hardware)
> doesn't know what he's talking about. At a decent optimization level it
> won't even touch libc functions other than for reporting (it'll use the
> compiler's optimized strcpy, etc).

I was commenting on the Himeno benchmark which apparently is as good on
Debian GNU/kFreeBSD as on Debian GNU/Linux but much slower on pure
FreeBSD. Whether it's libc or compiler which makes the difference, I don't
know, but it's clearly not the kernel.




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