[PATCH 0/9] malloc: Remove fastbins

[Florian Weimer]

* DJ Delorie:

> So I ran some big benchmarks over the weekend to see what they said...
> I tested three source trees: unpatched, patched with the N/9 "remove
> fastbins" patch set, and one with that plus Florians's proposed
> batch-free patch.

Did you apply the batched malloc part as well?

> I admit the machine running the test was not as "quiet" as it could have
> been, but I had plenty of ram and cores to avoid artificial slowdowns.
> Plus, I was looking for big changes, not small ones.
>
> I used two tests: the first is the original trace simulator I used when
> benchmarking tcache, along with the workloads used then.  The raw
> numbers are total CPU cycles; smaller is better.

Are those retired cycles?  How are these measured?  For multi-thread
programs with some kernel overhead, using wall clock time is probably
better.

Thanks,
Florian