How TMA* Addresses Performance Analysis Challenges through the IceLake Processor
summary
Covers the Top-down Microarchitecture Analysis (TMA) method for cycle accounting on modern out-of-order cores, using Intel IceLake processor PMU enhancements as an example. Explains why top-down metrics are needed to diagnose performance problems in complex hardware and data-center workloads, and how PMU changes help address those monitoring challenges.
AI-written summary · about
chapters (12)
- 0:00Start
- 1:43What is Performance Analysis?
- 3:45Modern high-performance processors
- 4:52Why software developers should care?
- 7:05Tools: Linux open-source
- 7:57Tools: Intel Tune
- 12:38How TMA addressed out-of-order Challenges
- 14:43Datacenter Profiling
- 16:34Challenges of Modern Datacenters
- 20:55Addressing Challenges in Icelake
- 21:28Summary of TMA enhancements in Icelake
- 27:25A sample Server Workload Optimization