Multi-host task synchronizer and multi-host task synchronization method

The invention discloses a multi-host task synchronizer and a multi-host task synchronization method, and relates to the field of data processing, in the multi-host task synchronizer, an MPQ, a carrying unit and a destination queue storage unit are connected with a communication bus, and the MPQ is in communication connection with the carrying unit. The MPQ obtains at least one group of first description information based on the write register content of the cache space of the MPQ, calls different carrying units for the first description information of different groups, and asynchronously processes the carrying task of the corresponding group based on the called carrying units and the first description information of the corresponding group. And when the source data generated by each host in the corresponding group of carrying tasks is asynchronously processed, updating the predicted value of the write pointer of the corresponding destination queue on the communication bus according to the size of the source d