feat(frac): new active fraction implementation based in mini-indexes

[eguguchkin]

Fixes #47

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[dkharms]

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[dkharms]

@seqbenchbot down main

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[eguguchkin]

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[eguguchkin]

@seqbenchbot up main

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[eguguchkin]

@seqbenchbot up main

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[eguguchkin]

@seqbenchbot down main

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[eguguchkin]

@seqbenchbot up main

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[eguguchkin]

@seqbenchbot down 6880f646-aa85-4ff7-89f5-c8a33451e857

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[eguguchkin]

@seqbenchbot up main write

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[eguguchkin]

@seqbenchbot up main write

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@seqbenchbot down 22bd5e6c-d687-44ee-938c-d185bb450b6d

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@seqbenchbot down 0fa704c6-0467-4fab-8549-d1b115b6269f

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@seqbenchbot up main write

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@seqbenchbot down 5bbe2b38-2e12-4afa-a996-a5179cc13dc6

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@seqbenchbot up main write

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Identificator for your ongoing benchmark - 1d8cf293-96fd-4adc-b60a-3932df55fe47.

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@seqbenchbot list

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Here is the list of currently running benchmarks:

ID	Author	Scenario	Baseline	Comparison	Created
1d8cf293-96fd-4adc-b60a-3932df55fe47	@eguguchkin	write	main (727a5b3)	47-active2 (e73ee17)	2025-12-29 20:58:10

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[eguguchkin]

@seqbenchbot down 1d8cf293-96fd-4adc-b60a-3932df55fe47

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[eguguchkin]

@seqbenchbot up main write

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Identificator for your ongoing benchmark - d07a5f85-0df6-404c-ae0d-71b5eb094692.

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[eguguchkin]

@seqbenchbot down d07a5f85-0df6-404c-ae0d-71b5eb094692

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