purplesyringa personal blog
Who is vfmaddrnd231pd?
vfmaddrnd231pd is a unique instruction from the FMA instruction set. Most instructions in that set have mnemonics like vfmadd231pd, but here rnd means something very specific. The Intel Software Development Manual documents it as: VFMADDRND231PD – Fused Multiply-Add of Packed Double-Precision Floating-Point Values…
- Points
- 254
- HN comments
- 25
- Submissions
- 1
- Cited by
- 0 commenters
Systems & PerformanceSoftware Engineering2026
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Oct 12, 2026 | Who is vfmaddrnd231pd? by pngmangi | 254 | 25 |
