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🔍 Improve TT replacement scheme: add required conditions for always replace #526

Merged
merged 16 commits into from
Dec 8, 2023
Merged

🔍 Improve TT replacement scheme: add required conditions for always replace #526

merged 16 commits into from
Dec 8, 2023

Commits on Dec 7, 2023

  1. Implement ageing: always replace if ages don't match

    @eduherminio
    eduherminio committed Dec 7, 2023
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  2. Disable ageing and add PV or higher depth or different key as replace… 

    …ment conditions first
    @eduherminio
    eduherminio committed Dec 7, 2023
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  3. Fix build

    @eduherminio
    eduherminio committed Dec 7, 2023
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  4. Remove age from TT entry to make it fair

    @eduherminio
    eduherminio committed Dec 7, 2023
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  5. Add ageing and save only 32 most significative bits as TT key, since … 

    …the indexing checks the other 32
    @eduherminio
    eduherminio committed Dec 7, 2023
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  6. Fix code

    @eduherminio
    eduherminio committed Dec 7, 2023
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  7. Add empty entry.Key condition, which technically could happen for som… 

    …e positions I guess
    @eduherminio
    eduherminio committed Dec 7, 2023
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Commits on Dec 8, 2023

  1. Disable ageing, but keep TT change

    @eduherminio
    eduherminio committed Dec 8, 2023
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  2. Re-enable ageing, but keeping the long key and increasing the memory … 

    …to keep the same TT size
    @eduherminio
    eduherminio committed Dec 8, 2023
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  3. Revert "Re-enable ageing, but keeping the long key and increasing the… 

    … memory to keep the same TT size"

This reverts commit 101ee04.
    @eduherminio
    eduherminio committed Dec 8, 2023
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  4. Remove age filed, reducing TT size but keeping the # of elements due … 

    …to alignment
    @eduherminio
    eduherminio committed Dec 8, 2023
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  5. ageing cleanup

    @eduherminio
    eduherminio committed Dec 8, 2023
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  6. Increase depth difference required to always replace in TT when keys … 

    …match
    @eduherminio
    eduherminio committed Dec 8, 2023
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  7. Implement ageing: add age unmatch as always replace condition

    @eduherminio
    eduherminio committed Dec 8, 2023
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  8. Revert "Implement ageing: add age unmatch as always replace condition" 

    This reverts commit caac37d.
    @eduherminio
    eduherminio committed Dec 8, 2023
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  9. Revert "Increase depth difference required to always replace in TT wh… 

    …en keys match"

This reverts commit b3b2417.
    @eduherminio
    eduherminio committed Dec 8, 2023
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