N.B. All libstdc++ patches should be sent to the libstdc++ list (not
just to the names in the MAINTAINERS file).
On Sat, 14 Dec 2024 at 01:01, Jonathan Wakely wrote:
>
> On Fri, 13 Dec 2024 at 17:12, Tamar Christina wrote:
> >
> > Hi All,
> >
> > In GCC 12 there was a ~40% regression in the perf
On Fri, 13 Dec 2024 at 17:12, Tamar Christina wrote:
>
> Hi All,
>
> In GCC 12 there was a ~40% regression in the performance of hashmap->find.
>
> This regression came about accidentally:
>
> Before GCC 12 the find function was small enough that IPA would inline it even
> though it wasn't marked
Hi All,
In GCC 12 there was a ~40% regression in the performance of hashmap->find.
This regression came about accidentally:
Before GCC 12 the find function was small enough that IPA would inline it even
though it wasn't marked inline. In GCC-12 an optimization was added to perform
a linear sear
