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Revisit the set of tables #408

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naure opened this issue Oct 17, 2024 · 2 comments
Open

Revisit the set of tables #408

naure opened this issue Oct 17, 2024 · 2 comments
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cleanup Refactors, simplifications, hindsight 20/20 tasks. speed

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@naure
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naure commented Oct 17, 2024 •
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  • See for instance discussion in mem-addr: gadget for memory address alignment #396 about introducing U14. Review the overall bit extractions everywhere and see what’s the best set of tables to support them all (maybe U15, etc).

  • See whether Ltu table is still used, switch to the more efficient IsLtConfig, and remove the Ltu table.

  • Compare the fixed cost of a specialized table versus the variable cost of lookups that is saves.

  • Refactor to share the same columns across multiple tables (e.g. a, b in logic tables).
@naure naure added the speed label Oct 17, 2024
@naure naure mentioned this issue Oct 17, 2024
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naure commented Oct 25, 2024

@naure naure mentioned this issue Oct 25, 2024
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naure commented Oct 26, 2024

@naure naure added the cleanup Refactors, simplifications, hindsight 20/20 tasks. label Nov 2, 2024
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