RTS changes affect runtime when they shouldn’t

Ben Gamari ben at smart-cactus.org
Tue Sep 26 16:35:08 UTC 2017


Bardur Arantsson <spam at scientician.net> writes:

> I may be missing something since I have only quickly skimmed the thread,
> but...: Why not track all of these things and correlate them with
> individual runs? The Linux 'perf' tool can retrieve a *lot* of
> interesting numbers, esp. around cache hit rates, branch predicition hit
> rates, etc.
>
While it's not a bad idea, I think it's easy to drown in information. Of
course, it's also fairly easy to hide information that we don't care
about, so perhaps this is worth doing regardless.

Cheers,

- Ben
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 487 bytes
Desc: not available
URL: <http://mail.haskell.org/pipermail/ghc-devs/attachments/20170926/fe84db51/attachment.sig>


More information about the ghc-devs mailing list