Process data caching through iterative feedback

A computer program product for improved process caching through iterative feedback, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a computing device to cause the computing device to:

• perform an initial execution of a process;
• collect a first set of cache miss statistical data for the process during the initial execution of the process;
• modify metadata of the process, after the execution of the process, based on the cache miss statistical data to produce updated metadata;
• automatically modify a setting of a data stream control register of the computing device based on the updated metadata;
• automatically set a hint at a data cache block touch module of the computing device describing which memory block the computing device is most likely to load during the executing of the process based on the updated metadata;
• perform a subsequent execution of the process after the steps of automatically modifying the setting of the data stream control register and automatically setting the hint at the data cache block touch module;
• and
• modify the updated metadata of the process after the subsequent execution of the process based on a second set of cache miss statistical data gathered during the subsequent execution of the process, to produce newly updated metadata.

A system for improved process caching through iterative feedback, comprising:

• a CPU, a computer readable memory and a computer readable storage medium associated with a computing device;
• program instructions to determine that a prologue module is activated;
• program instructions to retrieve updated metadata of a process to be executed by the computing device, wherein the updated metadata includes information regarding cache misses from a prior execution of the process;
• program instructions to automatically modify, by the prologue module of the computing device, a setting of a data stream control register of the computing device based on the updated metadata;
• program instruction to automatically set, by the prologue module, a hint at a data cache block touch module of the computing device describing which memory block the computing device is most likely to load during the executing of the process based on the updated metadata;
• program instructions to perform an initial execution of the process after the steps of retrieving the updated metadata, automatically modifying the setting of the data stream control register, and automatically setting the hint at the data cache block touch module;
• and
• program instructions to modify, by an epilogue module of the computing device, the updated metadata of the process after the execution of the process based on cache miss statistical data gathered during the execution of the process, to produce newly updated metadata,
• wherein the program instructions are stored on the computer readable storage medium for execution by the CPU via the computer readable memory.