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What are you optimizing for?
Personal blog · fprox.substack.comhardwaresystems
What are you optimizing for? is a personal blog at fprox.substack.com about hardware and systems. Since 2023, 5 different Hacker News readers have linked it 15 times, most often “RISC-V Vector Programming in C with Intrinsics”. It is still writing: the last post was on 2026-10-11, and you can follow it by feed.
Computer Architecture, Computer Arithmetic, RISC-V.
Most-linked posts?
- RISC-V Vector Programming in C with Intrinsics3 people · 3 mentions · first linked 2023-11-23
- RISC-V and Floating-Point2 people · 2 mentions · first linked 2026-05-18
What Hacker News says?
Edit: sorry I missread, I though you were just interested in the vector extension (SIMD) for the genral assembly there isn't mutch to learn tbh, look at the isa reference card and maybe also look at the B (bit manipulation) extension: https://www.cl.cam.ac.uk/teaching/1617/ECAD+Arch/files/docs/... --- Here are some resources on RVV I can recommend: RVV spec (also look at the examples in the repo): https://github.com…
Comment linking /p/risc-v-vector-extension-in-a-nutshell-part-1
on “Scaleway launches RISC-V servers”Submitted Transposing a Matrix using RISC-V Vector as a story · 27 points
HN discussionSubmitted RISC-V Vector Programming in C with Intrinsics as a story · 5 points
HN discussionSubmitted RISC-V Vector Programming in C with Intrinsics as a story · 3 points
HN discussionSubmitted RISC-V Bulk Normalization Algorithm as a story · 2 points
HN discussionSubmitted RISC-V and Floating-Point as a story · 2 points
HN discussionSubmitted RISC-V and Floating Point as a story · 2 points
HN discussionSubmitted RISC-V Support for BFloat16 as a story · 2 points
HN discussionSubmitted Manifest for RISC-V Constant Time Floating-Point Operations as a story · 1 points
HN discussionSubmitted RISC-V and Post-Quantum Cryptography as a story · 1 points
HN discussionSubmitted Partial Taxonomy of 8-Bit Floating-Point Formats as a story · 1 points
HN discussionSubmitted RISC-V Vector Programming in C with Intrinsics as a story · 1 points
HN discussionSubmitted Zimop/Zcmop may-be-operations as a story · 1 points
HN discussionSubmitted Adding a new RISC-V extension (to spike) as a story · 1 points
HN discussionSubmitted RISC-V Profiles: Defining sets of extensions for coherent ecosystems as a story · 1 points
HN discussion