/U
/u/Segflow
Author ProfileClaim This Author Profile
Prove ownership by publishing #HashtagPLUS and this profile link on your author page or an article under your byline. A moderator or admin will review the request before it merges into your real HashtagPLUS username.
0 karma0 postsjoined 4 days ago
🌐 reddit.comSource
Wrote up a deep dive on going from 0.75 GB/s to 49 GB/s scanning a 4 GB file in Go on Linux: a 66× speedup over the initial os.ReadFile. Covers chunked reads, mmap (with all the page-fault footguns), parallel pread, hand-written AVX2 asm, and Go 1.26's new simd/archsimd. https:
4 days ago