Multiple data channel memory module architecture
According to one example of the present disclosure, a system includes a computing element configured to provide requests for memory access operations and a memory module comprising a plurality of memories, a plurality of independent data channels, each of the independent data channels coupled to one of the plurality of memories, a plurality of internal address/control channels, each of the independent address/control channels coupled to one of the plurality of memories, and control logic coupled to the plurality of internal address/control channels and configured to receive and decode address and control information for a memory access operation, the control logic further configured to selectively provide the decoded address and control information to a selected internal address/control channel for a selected independent data channel of the plurality of independent data channels based on the received address and control information for the memory access operation.
1. An apparatus comprising:
a processor configured to provide memory commands for memory access operations; and
a memory controller coupled to the processor; and
a memory comprising:
a plurality of memory elements; and
control logic coupled to the memory controller via a control channel, the control logic configured to decode control information and to selectively provide the control information to at least one of the plurality of memory elements, wherein the control logic is further configured to select an internal control channel of a plurality of internal control channels based on the selectively provided control information regarding the internal control channel, the selected internal control channel coupling the control logic and a selected memory element of the plurality of memory elements.
2. The apparatus of claim 1 , wherein the selected memory element includes an address corresponding to an address of the selectively provided control information.
3. The apparatus of claim 1 , wherein each internal control channel is coupled to a respective one of the plurality of memory elements.
4. The apparatus of claim 1 , wherein each internal control channel provides control information to each respective memory element independently of the other internal control channels.
5. The apparatus of claim 1 , wherein the control logic is configured to control data transfer over at least one data channel of a plurality of data channels, each data channel coupled to a respective one of the plurality of memory elements.
6. The apparatus of claim 5 , wherein each data channel provides data independently of the other data channels.
7. An apparatus comprising:
a processor comprising an instruction set including a memory access request;
a memory controller coupled to the processor and configured to receive the memory access request and to provide address/control information responsive to the memory access request;
a memory comprising a plurality of memory elements and control logic, wherein the control logic is coupled to the memory controller via an external address/control channel, the control logic configured to receive and decode the address/control information and to provide the decoded address/control information to at least one of the plurality of memory elements to control data transfer over multiple data channels; and
an additional processor comprising an additional instruction set, wherein the additional processor is configured to execute a portion of the instruction set of the processor, where the instruction set of the processor corresponds to a fixed instruction set, and wherein the additional processor is configured to be reconfigurable to include the portion of the instruction set of the processor.
8. The apparatus of claim 7 , wherein the instruction set comprises independent memory access requests for the plurality of memory elements, the independent memory access requests including the memory access request.
9. The apparatus of claim 8 , wherein the control logic is configured to decode the address/control information into component address/control information, wherein each component address/control information corresponds to one of the independent memory access requests.
10. The apparatus of claim 7 , wherein the control logic is configured to decode the address/control information based on a time multiplexed encoding scheme.
11. The apparatus of claim 7 , wherein each memory element is coupled to the control logic via a respective internal address/control channel of a plurality of internal address/control channels.
12. The apparatus of claim 7 , wherein the apparatus corresponds to a field-programmable gate array (FPGA).
13. The apparatus of claim 7 , wherein a first data channel of the multiple data channels is configured to transfer data based on a first memory access request, and wherein a second data channel of the multiple data channels is configured to transfer data based on a second memory access request.
14. The apparatus of claim 7 , wherein each memory element of the plurality of memory elements supports sub-cache data access operations.
15. The apparatus of claim 7 , wherein each memory element of the plurality of memory elements comprise at least one dynamic random access memory (DRAM).
16. An apparatus comprising:
a processor comprising an instruction set including a memory access request,
a memory controller coupled to the processor and configured to receive the memory access request and to provide address/control information responsive to the memory access request; and
a memory comprising a plurality of memory elements and control logic, wherein the control logic is coupled to the memory controller via an external address/control channel the control logic configured to receive and decode the address/control information and to provide the decoded address/control information to at least one of the plurality of memory elements to control data transfer over multiple data channels, wherein each memory element is coupled to the control logic via a respective internal address/control channel of a plurality of internal address/control channels, and wherein the control logic is configured to provide a first component address/control information to a first memory element of the plurality of memory elements over a first internal address/control channel of the plurality of internal address/control channels, wherein the control logic is configured to provide a second component address/control information to a second memory element of the plurality of memory elements over a second internal address/control channel of the plurality of internal address/control channels.
17. An apparatus comprising:
a processor comprising an instruction set including a memory access request;
a memory controller coupled to the processor and configured to receive the memory access request and to provide address/control information responsive to the memory access request; and
a memory comprising a plurality of memory elements and control logic wherein the control logic is coupled to the memory controller via an external address/control channel, the control logic configured to receive and decode the address/control information and to provide the decoded address/control information to at least one of the plurality of memory elements to control data transfer over multiple data channels, wherein a first data channel of the multiple data channels is configured to transfer data based on a first memory access request, and wherein a second data channel of the multiple data channels is configured to transfer data based on a second memory access request, and wherein the first memory access request corresponds to the memory access request included in the instruction set, and wherein the second memory access request corresponds to a memory access request received from an additional processor executing an additional instruction set.