Issues

• max_t means three different things across simulators: 100 configs clamp at it, 9 ignore it, 3 censor

  downstream-effect-hssmquestion
  lnccbrown/ssm-simulators#404 · Filter by author fmuia opened on Oct 18, 2026

• Release the ddm_st / ddm_normal_st st box (0.35) so HSSM can require it

  lnccbrown/ssm-simulators#403 · Filter by author EItanm1999 opened on Oct 16, 2026
  1

  

• float32 time accumulation makes RTs drift from the step grid at small delta_t

  bug
  lnccbrown/ssm-simulators#401 · Filter by author cpaniaguam opened on Oct 15, 2026
  1

• Parallel and sequential kernel paths handle the time horizon differently

  bug
  lnccbrown/ssm-simulators#400 · Filter by author cpaniaguam opened on Oct 15, 2026
  1

• LBA simulators ignore random_state (draw from NumPy's global RNG)

  bug
  lnccbrown/ssm-simulators#399 · Filter by author cpaniaguam opened on Oct 15, 2026
  1

• mic2 multinoise kernels read the boundary at the high-dim step index for the low-dim choice

  bug
  lnccbrown/ssm-simulators#398 · Filter by author cpaniaguam opened on Oct 15, 2026
  1

• ddm_truncnormt passes a length-1 t array, so full_ddm_rv reads past it for n_trials > 1

  bug
  lnccbrown/ssm-simulators#397 · Filter by author cpaniaguam opened on Oct 15, 2026
  1

• Simulation filters are never applied: SimulationPipeline reads them from the wrong config key

  lnccbrown/ssm-simulators#392 · Filter by author cpaniaguam opened on Oct 14, 2026
  1

• Widen ddm_st and ddm_normal_st st bounds to 0.35 to match the shipped LANs

  lnccbrown/ssm-simulators#388 · Filter by author EItanm1999 opened on Oct 14, 2026
  2

• Volterra validation: add an independent nonzero-history regression

  test
  lnccbrown/ssm-simulators#387 · Filter by author AlexanderFengler opened on Oct 14, 2026
  1

• stage sampler: stabilize Wald draws near zero relative drift

  bugtest
  lnccbrown/ssm-simulators#386 · Filter by author AlexanderFengler opened on Oct 14, 2026
  1

• race single-stage CDF: replace discontinuous log-normal-tail approximation

  bugtest
  lnccbrown/ssm-simulators#385 · Filter by author AlexanderFengler opened on Oct 14, 2026
  2

  

• race quadrature: CDF cutoff loses accumulated mass for negative relative drift

  bugtest
  lnccbrown/ssm-simulators#384 · Filter by author AlexanderFengler opened on Oct 14, 2026
  1

• race_multistage: stage-split steps can exhaust the loop before the horizon

  bugtest
  lnccbrown/ssm-simulators#383 · Filter by author AlexanderFengler opened on Oct 14, 2026
  2

  

• race_multistage: remove the leading-order Euler first-passage bias with the Broadie–Glasserman–Kou boundary shift

  enhancement
  lnccbrown/ssm-simulators#381 · Filter by author AlexanderFengler opened on Oct 9, 2026
  3

• race_multistage: evaluate the exact Wald / inverse-Gaussian stage sampler from #368 as an alternative to the Euler kernel

  enhancement
  lnccbrown/ssm-simulators#380 · Filter by author AlexanderFengler opened on Oct 8, 2026
  3

• race_multistage: model config and simulator() integration

  downstream-effect-hssmenhancement
  lnccbrown/ssm-simulators#377 · Filter by author AlexanderFengler opened on Oct 8, 2026
  1

• Investigate replacing the vendored xoshiro/Box-Muller RNG in the aDDM simulator with the shared GSL ziggurat RNG

  questionrefactortest
  lnccbrown/ssm-simulators#376 · Filter by author AlexanderFengler opened on Oct 8, 2026
  5

  

• Registry-wide support-edge invariant test and ndt_edge_shift validator tightening (follow-ups to #370)

  enhancementtest
  lnccbrown/ssm-simulators#372 · Filter by author AlexanderFengler opened on Oct 7, 2026
  1

  

• Draw parameter variability in Python and pass arrays to Cython (one seed root, picklable configs, one full_ddm kernel)

  downstream-effect-hssmenhancementrefactor
  lnccbrown/ssm-simulators#371 · Filter by author AlexanderFengler opened on Oct 7, 2026
  1

  

• [Config refactor] Registries for configs

  lnccbrown/ssm-simulators#353 · Filter by author digicosmos86 opened on Sep 4, 2026
  1

  

• Roadmap: NRE-C support in the HSSM ecosystem

  lnccbrown/ssm-simulators#343 · Filter by author cpaniaguam opened on Aug 24, 2026
  2

• add_boundary / add_drift / Simulator store the registry's own params list in the returned config, so editing it corrupts the global registry

  lnccbrown/ssm-simulators#311 · Filter by author AlexanderFengler opened on Jul 27, 2026
  2

  

• Custom boundary is accepted and silently ignored by 13 models whose compiled engine has no boundary_fun argument

  lnccbrown/ssm-simulators#310 · Filter by author AlexanderFengler opened on Jul 27, 2026
  1

• Custom boundary without boundary_params fails at simulate() with KeyError: "Boundary 'my_boundary' is not registered"

  lnccbrown/ssm-simulators#309 · Filter by author AlexanderFengler opened on Jul 27, 2026
  1