class xf::database::gqe::Base¶

#include "gqe_base.hpp"

Overview¶

class Base

    // direct descendants

    class xf::database::gqe::Filter
    class xf::database::gqe::Joiner

void SetBufAllocMaxNum (int _num)

Setting the maximum number of buffers that are allowed to allocate for each ddr.

Parameters:

_num
:	the maximum ddr buffer num

char* AllocHostBuf (
    bool _ddr_idx,
    int64_t _size
    )

Request one host buffer in hbuf ddr0/1, the size and starting ptr of this buf is recorded.

Parameters:

_ddr_idx
:	the device buffer DDR idx that corresponding to requested host buf
_size
:	the requested buf size

void ResetHostBuf ()

Reset host Buf related record, but won’t destroy host buffer.