On 2015-07-07 16:49:58 +1200, David Rowley wrote:
> I've been looking at this patch and trying to reproduce the reported
> slowdown by using Tomas' function to try to exercise palloc() with minimal
> overhead of other code:
>
> https://github.com/tvondra/palloc_bench
That's not necessarily meaningful. Increased cache footprint (both data
and branch prediction) is often only noticeable with additional code
running pushing stuff out.