Cost of IPI (inter-processor interrupt) ?[Forums] Dear forum contributors,what is the cost of IPI? As far I know, inter-processor interrupts are used to synchronize cache between cores and processors. Such synchronization can be "costly" (my state of...
Performance Tools for Software Developers - Loop blocking[Knowledgebase] Loop blocking is a combination of strip mining and loop interchange to enhance reuse of local data. It helps the nested loops that manipulate arrays and are too large to fit into the cache. The loop blocking...
Software Techniques for Shared-Cache Multi-Core Systems[Knowledgebase] by Tian Tian, Technical Marketing Engineer and Chiu-Pi Shih, Technical Marketing Engineer
Introduction
Design and fine-tune applications for better performance
As the trend moves from single-core...
Cache Blocking Technique on Hyper-Threading Technology Enabled Processors[Knowledgebase] by Phil Kerly
Introduction
Hyper-Threading Technology-enabled processors contain multiple logical processors per physical processor package. The state information necessary to support each logical processor...