Optimized the GmfGetter by using a double dictionary
Optimized the GmfGetter by using a double dictionary


Former-commit-id: 70002a3fb6fd0e7bd22c51b943ed09ef8176a8b2 [formerly 70002a3fb6fd0e7bd22c51b943ed09ef8176a8b2 [formerly 51978edb8a92551d3b5e1061c39031e7d973230c]]
Former-commit-id: 5e5e66c9da4b318ef7e844a76c05cfacede10446
Former-commit-id: 593ac308da46e53aef41dcdd299488ffdacc111d
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine