Storage circuit for realizing direct sharing of central processing unit and accelerator cluster

The invention provides a storage circuit for realizing direct sharing of a central processing unit and an accelerator cluster. The storage circuit comprises a first circuit, a second circuit and a third circuit which are connected in series, the first circuit comprises a central processing unit-external request arbitration module, a memory bank request chip selection module and a central processing unit-accelerator request arbitration module which are sequentially connected in series, and an accelerator request crossbar switch module connected with the central processing unit-accelerator request arbitration module; the second circuit is a multi-memory bank memory module; the third circuit comprises a central processing unit-accelerator response arbitration module, a memory bank response chip selection module and a central processing unit-external response arbitration module which are sequentially connected in series, and an accelerator response crossbar switch module connected with the central processing unit