DataEngine ( int t_id, VPP_BP& _csvInBufPool, VPP_BP& _cfgInBufPool, VPP_BP& _outBufPool, VPP_BP& _metaBufPool, VPP_CC* _cuCluster )
constructor of data engine. context, program, command queue are created and ready after FPGA init
Parameters:
| t_id | targeted device id. |
| _csvInBufPool | input CSV buffer pool |
| _cfgInBufPool | input configuration buffer pool |
| _outBufPool | output result buffer pool |
| _metaBufPool | output meta buffer pool |
| _cuCluster | CU clusters |