An article about experimenting with the RAMINDEX feature on Arm Cortex-A76 cores.

A note about speculative oracles and the Arm Memory Tagging Extension (MTE).

A story about hacking on UEFI firmware for Intel platforms.

Some notes and impressions about the properties of return instructions.

An article exploring the conditions for triggering "Zenbleed" (CVE-2023-20593).

An article exploring local branch prediction on Apple's "Avalanche" microarchitecture.

An anecdote about creating a bare-metal microbenchmarking environment for the Apple M2.

An article about "straight-line speculation" (CVE-2021-26341) in the Zen 2 microarchitecture.

An article exploring branch prediction on AMD Zen 2 machines.

An anecdote about exploring x86 performance-monitoring counters.