SMT profiling with pmcstat and perf

From RCS Wiki

Revision as of 05:12, 15 July 2025 by TimKelly (talk | contribs) (→‎SMT principles)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to navigation Jump to search

This article discusses profiling symmetric multithreading (SMT) on the POWER9 architecture. It uses both Debian with perf and Big-endian FreeBSD and pmcstat.

Contents

1 Symmetric multithreading (SMT)
- 1.1 SMT principles
  - 1.1.1 SMT is not "multi-core"
- 1.2 Comparison to RISC-V HARTs
2 Benchmark code

Symmetric multithreading (SMT)

SMT principles

SMT is not "multi-core"

Comparison to RISC-V HARTs

Benchmark code

Retrieved from "https://wiki.raptorcs.com/w/index.php?title=SMT_profiling_with_pmcstat_and_perf&oldid=4940"