More parallel prefiltering [skip hazardlib][demos]
More parallel prefiltering [skip hazardlib][demos]


Former-commit-id: cb6ba325acd481404fd2e6140e33b6a26611b308 [formerly f9b1d48b6548b52d8e6e2d6319816a55e3243cf2]
Former-commit-id: 313f12acd515bcb93c49818d8b2722f95a9e2677
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine