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Solving for faster SHA-1 collision detection — sam reis
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Solving for faster SHA-1 collision detection — sam reis

Hacker News·12 days ago
#tpCUkxeK
#sam#sha1dc#sha1#git#simd#article

SHA-1 with collision detection doesn't have to be so slow. How a code generator that moves the checks to SIMD can narrow the gap to plain SHA-1 to ~20–30%.

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Speeding up gearhash on ARM64 (2× faster) — sam reis
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0

Speeding up gearhash on ARM64 (2× faster) — sam reis

Hacker News·19 days ago
#kD7zYvwO
#sam#gearhash#arm64#neon#simd#rust

The gearhash crate has gained a NEON backend for improved performance. How a direct port started out slower than scalar, and the dependency-chain work that fixed it.

15s
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Everyone Says Assembly Is Untyped—Everyone Is Wrong

www.gingerbill.org·about 2 months ago
#h0C3VHXu

TL;DR: I believe Odin's inline assembly is currently the best out of any language.The most important aspects are of this article listed below.…

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SIMD in the 90s: Programming Intel's Pentium MMX
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138

SIMD in the 90s: Programming Intel's Pentium MMX

Hacker News·about 2 months ago
#DUKiZhnZ
#pikuma#simd#mmx#pentium#assembly#article

If you used PCs in the 90s, you probably remember the 'Intel Inside MMX' stickers. This article explores Intel's major attempt at bringing SIMD instructions to mainstream desktop CPUs.

15s
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Rust SIMD on the GPU
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222

Rust SIMD on the GPU

Hacker News·about 2 months ago
#swUMabm8
#vectorware#simd#warp#lanes#rust#lane

GPU code can now use Rust's portable SIMD. We share the implementation approach and what this unlocks for GPU programming.

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SIMD for Collision
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0

SIMD for Collision

Hacker News·2 months ago
#QyOWcOVT
#box2d#edge#hull#simd#edges#box3d

In a previous post SIMD Matters I discussed the big wins I got from graph coloring to make the contact solver faster. That same approach exists in Box3D. I like to call this approach “wide SIMD”.…

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Everyone Should Know SIMD

Hacker News·3 months ago
#ksilZ8GE
#mitchellh#vector#simd#loop#values#lanes

SIMD has a reputation for being complex. I've met many very good software engineers who dismiss it as something too complex to learn or a niche optimization meant for only the highest-performance software, not useful in everyday programming.

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