Issues

• Unnecessary map allocations and cloning in joint search-space updates

  optuna/rustuna#272 · Filter by author tkng opened on Oct 7, 2026

• Multivariate TPE likelihood evaluation rereads observation indices for each candidate

  optuna/rustuna#271 · Filter by author tkng opened on Oct 7, 2026

• Multivariate TPE model construction repeats name sorting and observation copying

  optuna/rustuna#270 · Filter by author tkng opened on Oct 7, 2026

• Multivariate TPE candidate evaluation repeatedly hashes and copies parameter names

  optuna/rustuna#269 · Filter by author tkng opened on Oct 7, 2026

• Multivariate TPE model construction repeatedly switches between observation columns

  optuna/rustuna#268 · Filter by author tkng opened on Oct 7, 2026

• Multivariate categorical TPE repeatedly calculates logarithms during candidate scoring

  optuna/rustuna#267 · Filter by author tkng opened on Oct 7, 2026
  

• Multivariate TPE rebuilds observation columns for every trial

  optuna/rustuna#266 · Filter by author tkng opened on Oct 6, 2026
  

• rustuna_js: the web bundle is published as CommonJS and cannot be imported

  optuna/rustuna#251 · Filter by author habakan opened on Sep 9, 2026