Johnny's Software Lab

The messy reality of SIMD (vector) functions

An optimizing compiler doesn’t help much with long instruction dependencies

Growing Buffers to Avoid Copying Data

Performance Debugging with llvm-mca: Simulating the CPU!

FIYA – Flamegraphs in Your App

Memory Subsystem Optimizations – The Remaining Topics

Speeding Up Convergence Loops. Or, on Vectorization and Precision Control

Latency-Sensitive Application and the Memory Subsystem Part 2: Memory Management Mechanisms

Latency-Sensitive Applications and the Memory Subsystem: Keeping the Data in the Cache

The pros and cons of explicit software prefetching