18553818. PROCESSOR SUPPORT FOR USING CACHE WAY-LOCKING TO SIMULTANEOUSLY RECORD PLURAL EXECUTION CONTEXTS INTO INDEPENDENT EXECUTION TRACES simplified abstract (Microsoft Technology Licensing, LLC)

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PROCESSOR SUPPORT FOR USING CACHE WAY-LOCKING TO SIMULTANEOUSLY RECORD PLURAL EXECUTION CONTEXTS INTO INDEPENDENT EXECUTION TRACES

Organization Name

Microsoft Technology Licensing, LLC

Inventor(s)

Jordi Mola of Bellevue WA (US)

PROCESSOR SUPPORT FOR USING CACHE WAY-LOCKING TO SIMULTANEOUSLY RECORD PLURAL EXECUTION CONTEXTS INTO INDEPENDENT EXECUTION TRACES - A simplified explanation of the abstract

This abstract first appeared for US patent application 18553818 titled 'PROCESSOR SUPPORT FOR USING CACHE WAY-LOCKING TO SIMULTANEOUSLY RECORD PLURAL EXECUTION CONTEXTS INTO INDEPENDENT EXECUTION TRACES

The abstract describes a method of using way-locking to record plural execution contexts into independent execution traces. This involves partitioning a cache into subsets of ways that are locked to specific contexts, detecting memory operations, and logging these operations into the appropriate trace.

  • The processor partitions the cache into subsets of ways locked to different execution contexts.
  • Memory operations by each context are logged into separate traces.
  • When a memory operation occurs in a subset, it is logged accordingly: influxes are logged to the corresponding trace, reads from one subset are logged to another trace, and writes to a subset are logged or evict a cache line.

Potential Applications: - This technology can be applied in multi-threaded or multi-process environments to track and analyze memory operations. - It can be used in debugging tools to understand the behavior of different execution contexts within a system.

Problems Solved: - Enables efficient tracking and analysis of memory operations in complex computing environments. - Helps in identifying and resolving memory access conflicts between different execution contexts.

Benefits: - Improved debugging capabilities in multi-threaded systems. - Enhanced performance optimization by analyzing memory access patterns of different execution contexts.

Commercial Applications: Title: "Multi-Context Memory Operation Tracking Technology for Enhanced Debugging" This technology can be commercialized as a debugging tool for software developers working on multi-threaded applications. It can also be integrated into performance monitoring tools for system administrators to optimize memory usage in server environments.

Prior Art: Readers interested in prior art related to this technology can explore research papers on cache partitioning techniques and memory operation tracking in multi-threaded systems.

Frequently Updated Research: Researchers in the field of computer architecture and system design may be conducting studies on improving cache management techniques for multi-context systems. Stay updated on conferences and journals in this area for the latest advancements.

Questions about Multi-Context Memory Operation Tracking Technology: 1. How does this technology improve memory operation tracking in multi-threaded systems? 2. What are the potential commercial applications of this technology in the software development industry?


Original Abstract Submitted

Using way-locking to record plural execution contexts into independent execution traces. A processor partitions a cache into a first subset of ways that are locked to a first context recorded into a first trace and a second subset of ways that are locked to a second context recorded into a second trace. The processor also detects a memory operation by the first context into the second cache subset. The processor then performs at least one of: when the memory operation causes an influx into the second cache subset, initiating logging of the influx to the second trace; when the memory operation is a read from the second cache subset, initiating logging of the read to the first trace; or when the memory operation is a write to the second cache subset, performing one of initiating logging of the write to the second trace, or evicting a target cache line.

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