Latency-agnostic memory controller

A memory controller configured to:

• receive a new transaction request referencing a new transaction to be executed on a memory;
• wherein the memory comprises two or more memory groups embodying two or more memory technologies, and wherein the memory controller comprises two or more group request queues comprising a respective group request queue corresponding to each memory group of the two or more memory groups;
• select a selected memory group of the two or more memory groups;
• place the transaction request on the respective group request queue corresponding to the selected memory group;
• execute the new transaction on the selected memory group;
• receive, from the selected memory group, a new response to the new transaction request;
• and
• return the new response.

A computer-program product for executing a transaction in memory, the computer-program product comprising a computer-readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause the processor to perform a method comprising:

• receiving, at a memory controller, a new transaction request referencing a new transaction to be executed on a memory;
• wherein the memory comprises two or more memory groups embodying two or more memory technologies, and wherein the memory controller comprises two or more group request queues comprising a respective group request queue corresponding to each memory group of the two or more memory groups;
• selecting, by the memory controller, a selected memory group of the two or more memory groups;
• placing, by the memory controller, the transaction request on the respective group request queue corresponding to the selected memory group;
• executing the new transaction on the selected memory group;
• receiving, by the memory controller, from the selected memory group, a new response to the new transaction request;
• and
• returning the new response.