Former-commit-id: 69d1f1b661e6fc7779b4ae3abae60eeb28fa2b04
2. fix some bug 3. background job from IDMap -> IVF Former-commit-id: ba8f24f09c5481103ad3f4c1c91d4deb70f26dad
2. support gpu-build 3. add unittest Former-commit-id: bb36dcb05220d8f0648f282c7e38fe20f4ab3c16
Former-commit-id: 9b115de1c9d84ed4c790980793fec28169ca7837