In this post we talk about memory mechanism that increase memory accesses latency and we explore the techniques to avoid them in latency-sensitive systems.
All posts tagged large memory pages
Measuring Memory Subsystem Performance
Posted on Author Ivica BogosavljevićPosted in Low Level Performance, Memory Subsystem Performance, PerformanceLeave a Reply
In this post we introduce a few most common tools used for memory subsystem performance debugging.
The memory subsystem from the viewpoint of software: how memory subsystem affects software performance 2/3
Posted on Author Ivica BogosavljevićPosted in Low Level Performance, Memory Subsystem Performance, Performance2 Replies
We continue the investigation from the previous post, trying to measure how the memory subsystem affects software performance. We write small programs (kernels) to quantify the effects of cache line, memory latency, TLB cache, cache conflicts, vectorization and branch prediction.