Subject: Re: [PATCH] pack-bitmap: avoid traversal of objects referenced by uninteresting tag

From: Junio C Hamano <[email-masked]>
Date: Thu, 18 Mar 2021 17:13:58 -0700

Patrick Steinhardt <[email-masked]> writes:

> While most benchmarks are probably in the range of noise, the newly
> added 5310.8 benchmark shows a performance improvement of 25600%.

which sounds impressive, but ...

> +test_perf 'rev-list with negation (objects)' '
> +	git rev-list --not --all --use-bitmap-index --objects >/dev/null
> +'

... is this an interesting use case to begin with, without any
positive end?

> +
>  test_perf 'rev-list count with blob:none' '
>  	git rev-list --use-bitmap-index --count --objects --all \
>  		--filter=blob:none >/dev/null