Performance posts that connect measurements to the machine behavior underneath.
PAX, Row Groups, and Parquet
How PAX-style layouts and Parquet organize data for analytics, and what I got wrong along the way
Topic
Performance
Experiments, measurement notes, and hardware-aware programming.
Log-Structured Merge Trees
How LSM trees trade read performance for fast writes, and what I got wrong along the way
Finding the Cost of a TLB Miss
Notes from the OSTEP homework on discovering TLB cache sizes and miss costs