Used numpy.savez_compressed
Used numpy.savez_compressed


Former-commit-id: 902df779bc4e1507d3a5a4e28d4290820d346ff1 [formerly 32c1116cedae1d3107d8b155f7e65e1751ec578e]
Former-commit-id: 7758515b9c71b00e25fe20ccd34ea12bca02235f
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine