Re: Heads up: slow downs with luceneutil (including nightly benchmarks)

Nightly benchmarks caught up with this change, and got significant
slowdowns as expected:
https://benchmarks.mikemccandless.com/2025.08.13.20.38.43.html.

It'd be good to better understand why it hurts so much and how it could be
fixed, help is welcome. :)

On Wed, Aug 13, 2025 at 8:39 PM Adrien Grand <[email protected]> wrote:

> Hello all,
>
> For reference, I just merged this PR[0] to luceneutil, which "pollutes"
> call sites of DocIdSetIterator#nextDoc, DocIdSetIterator#advance, Bits#get
> (live docs), SimScorer#score and others to better reflect what performance
> may look like on a production system that handles diverse workloads.
>
> A consequence is that luceneutil now report worse performance. In
> particular, nightly benchmarks are expected to get noticeable drops on many
> tasks. This behavior in enabled by default but it is possible to disable it
> by passing pollute=False when initializing a Competitor.
>
> [0] https://github.com/mikemccand/luceneutil/pull/436
>
> --
> Adrien
>


-- 
Adrien