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perf(hll): reduce union copying and defer dense estimator rebuilds - #317

Merged

tisonkun merged 9 commits into

apache:mainfrom

tisonkun:codex/hll-union-performance

Nov 4, 2026

Merged

perf(hll): reduce union copying and defer dense estimator rebuilds#317
tisonkun merged 9 commits into
apache:mainfrom
tisonkun:codex/hll-union-performance

Commits on Oct 31, 2026
Commits on Nov 4, 2026
- docs: describe direct HLL union serialization in the changelog
  tisonkun
  committed
  fb2c360
- refactor(hll): centralize estimation history and register statistics
  tisonkun
  committed
  6eb6363
- refactor(hll): bind estimation state to owned registers
  tisonkun
  committed
  0b2e638
- revert: keep deferred estimation local to HLL8
  tisonkun
  committed
  66976bf
- refactor(hll): clarify deferred estimation names
  tisonkun
  committed
  b2fcd5c
- perf(hll): avoid cloning registers when reducing union precision
  tisonkun
  committed
  7905e4b