Technical notes
Problems, data sources and measurement methods from developing ZenTimings and ZenStation.
DDR5 · APOB
Reading tCCD_L from APOB
Reading the tCCD_L family in the ZenTimings fork: memory-controller registers, APOB data and layouts that change with BIOS versions.
2 min read
Read the articleRyzen · SMU
Ryzen sensors: similar labels, different measurements
ZenStation sensor notes: SMU PM versions, clock and voltage sources, sampling differences and a local Ryzen 5 3400G comparison.
2 min read
Read the articleRAM · Benchmark
What does a memory benchmark measure?
Latency, bandwidth, caches, working sets and repeatability in the ZenTimings and ZenStation memory benchmarks.
2 min read
Read the article