Wisconsin Alumni Research Foundation

Jaikrishnan Menon

Karthikeyan Sankaralingam

Lorenzo De Carli

Marc Asher De Kruijf

Aspects of the present invention provide a memory system comprising a plurality of stacked memory layers, each memory layer divided into memory sections, wherein each memory section connects to a neighboring memory section in an adjacent memory layer, and a logic layer stacked among the plurality of memory layers, the logic layer divided into logic sections, each logic section including a memory processing core, wherein each logic section connects to a neighboring memory section in an adjacent memory layer to form a memory vault of connected logic and memory sections, and wherein each logic section is configured to communicate directly or indirectly with a host processor. Accordingly, each memory processing core may be configured to respond to a procedure call from the host processor by processing data stored in its respective memory vault and providing a result to the host processor. As a result, increased performance may be provided.

Memory processing core architecture

A computer architecture allows for simplified exception handling by restarting the program after exceptions at the beginning of idempotent regions, the idempotent regions allowing re-execution without the need for restoring complex state information from checkpoints. Recovery from mis-speculation may be provided by a similar mechanism but using smaller idempotent regions reflecting a more frequent occurrence of mis-speculation. A compiler generating different idempotent regions for speculation and exception handling is also disclosed.

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Madison, WI, United States of America

Jaikrishnan Menon