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SMC Multiprocessing and Progress Bar Refactor

bug

enhancements

feature request

maintenance

pytensor

SMCSequential Monte CarloSequential Monte Carlo

Status: Open (in progress).

pymc-devs/pymcnumber 8047

#8047 In pymc-devs/pymc;

· jessegrabowski opened on Jan 10, 2026

sample_smc conversion of sample stats to idata can result in warning

beginner friendly

bug

SMCSequential Monte CarloSequential Monte Carlo

trace-backendTraces and ArviZ stuffTraces and ArviZ stuff

Status: Open.

#7821 In pymc-devs/pymc;

· ricardoV94 opened on Jun 19, 2025

BUG: np.linalg.LinAlgError using multivariate_normal kernel of SMC

bug

SMCSequential Monte CarloSequential Monte Carlo

Status: Open.

#6786 In pymc-devs/pymc;

· omsai opened on Jun 21, 2023

SMC progressbar is brittle

help wanted

needs infoAdditional information requiredAdditional information required

SMCSequential Monte CarloSequential Monte Carlo

Status: Open.

#5828 In pymc-devs/pymc;

· aloctavodia opened on May 31, 2022

Refactor KL divergence distance for Simulator

help wanted

SMCSequential Monte CarloSequential Monte Carlo

v4

Status: Open.

#5749 In pymc-devs/pymc;

· ricardoV94 opened on May 6, 2022

SMC sample_stats cannot be saved to netcdf

beginner friendly

enhancements

SMCSequential Monte CarloSequential Monte Carlo

trace-backendTraces and ArviZ stuffTraces and ArviZ stuff

Status: Open.

#5263 In pymc-devs/pymc;

· astoeriko opened on Dec 15, 2021