Phoronix benchmarks DF 3.2 vs Ubuntu - question

elekktretterr at exemail.com.au elekktretterr at exemail.com.au
Wed Nov 28 01:13:33 PST 2012


>  From what I could tell from a casual read, it looks like this range
> of benchmarks was more compute related - so this particular test
> would probably be more related to libc / compiler & math lib items
> than any of the IO path / threading optimizations of late.
>
> Unfortunately the 'test platform' details on page 1 don't list
> anything about the ubuntu compiler, which makes it hard to
> determine how much is compiler vs libc. Yes I could look this up..
>
> A comparison of the actual generated code by someone well versed
> in these things might be useful here.

Ive seen some benchmarks with kFreeBSD/GNU and it seems to perform almost
as well as Linux, so I think you are correct that this has very little to
do with kernel but rather libc.




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