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Show HN: A Deployable Cross-Platform SIMD RNG Library for C++ (With Bnchmks)

1•whisprer•2h ago
I’ve built a fully cross-platform SIMD-accelerated C++ pseudo-random number generation library designed for real-world deployment (Windows, Linux, macOS).

Repository: https://github.com/whisprer/c-simd-rng-lib/

The goal was to solve a practical gap:

Most high-performance SIMD RNG implementations are either:

academic prototypes

single-architecture

non-portable

incomplete

or not packaged for real deployment

This library provides:

• AVX2 / AVX-512 accelerated paths (with graceful fallback) • Deterministic, reproducible streams • Clean API surface • Zero external runtime dependencies • Works across Win / Linux / macOS • Production-ready build setup

In bulk generation scenarios it significantly outperforms std::mt19937 and standard <random> engines, and benchmarks competitively (or faster) than other SIMD-enabled RNG libraries.

A separate benchmarking repository contains:

• Full comparison suite • Competing library benchmarks • Throughput numbers • Architectural breakdowns • Methodology + raw results

Benchmark repo: https://github.com/whisprer/benchmark/

The focus is high-throughput generation for simulations, Monte Carlo, procedural systems, and statistical workloads where large batches matter more than single draws.

Interested in feedback from folks working in HPC, simulation, game engines, or scientific computing.

Gremlins: Bad News, Worse News, How to Lose Big

https://minor.gripe/posts/2026-02-13-gremlins_bad_news_worse_news_how_to_lose_big/
1•ai_critic•1m ago•0 comments

AMD Ryzen AI Max+ "Strix Halo" Performance with ROCm 7.0

https://www.phoronix.com/review/amd-rocm-7-strix-halo
2•kristianp•3m ago•0 comments

Dates with AI companions plagued by lag, miscommunication and general creepiness

https://slashdot.org/story/26/02/14/2124229/dates-with-ai-companions-plagued-by-lag-miscommunicat...
1•MilnerRoute•3m ago•0 comments

Show HN: Off Grid – Run AI text, image gen, vision offline on your phone

https://github.com/alichherawalla/off-grid-mobile
1•ali_chherawalla•3m ago•0 comments

Ask HN: Want to move to use a "dumb" phone. How to make the switch?

2•absoluteunit1•5m ago•0 comments

Development Sandboxes: A Wishlist

https://sourcediver.org/posts/260214_sandboxing_agents/
1•sourcediver•5m ago•0 comments

Partisan Projection

https://www.natesilver.net/p/kamala-harris-has-liz-cheney-syndrome
1•neehao•5m ago•0 comments

Reddit users in /r/MyboyfriendisAI are migrating from ChatGPT to Claude

https://old.reddit.com/r/MyBoyfriendIsAI/comments/1r4t8hz/moving_on/
1•frays•7m ago•0 comments

Estimate on how long job postings stay open across different categories

https://corvi.careers/blog/job_open_days_by_category_feb_2026/
2•sp1982•7m ago•0 comments

Where Does Meaning Live in a Sentence? Category Theory Might Tell Us

https://www.quantamagazine.org/where-does-meaning-live-in-a-sentence-math-might-tell-us-20250409/
2•kerim-ca•9m ago•0 comments

Agent-evals: Metacognitive scoring and boundary testing for LLM coding agents

https://thinkwright.ai/agent-evals
1•oceanwaves•9m ago•0 comments

Artificial Analysis AI Trends

https://artificialanalysis.ai/trends
1•gradus_ad•10m ago•0 comments

Show HN: Epic HN – the biggest HN topics across the years

https://hacker-backlinks.browserbox.io/
1•keepamovin•14m ago•1 comments

OpenAI's Biggest Challenge Is Turning Its A.I. Into a Cash Machine

https://www.nytimes.com/2026/02/11/technology/openai-revenue-challenge.html
2•bookofjoe•14m ago•2 comments

One of the ocean's saltiest regions is freshening: What it means for circulation

https://phys.org/news/2026-02-ocean-saltiest-regions-freshening-circulation.html
2•bikenaga•16m ago•1 comments

Show HN: Hex-Sweeper – Minesweeper on a hexagonal grid, built with Phaser

https://www.gamesanova.com/games/hex-sweeper
2•rduchnik•21m ago•0 comments

Fun with Dada

https://smallcultfollowing.com/babysteps/blog/2026/02/08/fun-with-dada/
1•brson•21m ago•1 comments

Venture Capital Has Lessons for Government and Philanthropy

https://goodscience.substack.com/p/venture-capital-has-lessons-for-government
1•stuartbuck•22m ago•1 comments

Polars.net – High-Performance, DataFrame Engine for .NET

https://github.com/ErrorLSC/Polars.NET
3•rescbr•22m ago•0 comments

Trump admin is pulling supercomputers out of key weather and climate center

https://www.cnn.com/2026/02/13/weather/trump-colorado-lab-ncar-supercomputer-climate
11•computerliker•28m ago•4 comments

Minimum Wages and the Rise of the Robots

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=6184798
3•paulpauper•31m ago•0 comments

Chinese robot boxing draws crowds in San Francisco

https://restofworld.org/2026/chinese-robot-boxing-unitree-rek/
2•donohoe•31m ago•0 comments

Terence Tao makes –$700k at UCLA

https://twitter.com/pitdesi/status/2020365826671669438
2•paulpauper•32m ago•0 comments

Show HN: Threat Radar – Live cyber threat intelligence dashboard

https://radar.offseq.com/
222•offseq•33m ago•0 comments

How to Write a Clear Math Paper: Some 21st Century Tips [pdf]

https://www.math.ucla.edu/~pak/papers/how-to-write1.pdf
1•paulpauper•33m ago•0 comments

£189,486,935,770 in Bitcoin. Lost Forever

https://btcgraveyard.com/
2•koqoo•33m ago•4 comments

In Trump vs. Trump administration, is Trump sure to win?

https://san.com/cc/in-trump-v-trump-administration-is-trump-sure-to-win/
4•SilverElfin•35m ago•2 comments

Arborium is AI slopware and should not be trusted

https://ewie.online/posts/20260214-arborium-is-ai-slopw/
3•todsacerdoti•37m ago•0 comments

Saudade

https://en.wikipedia.org/wiki/Saudade
2•neom•38m ago•0 comments

The Project 10

https://pink-delicate-dinosaur-221.mypinata.cloud/ipfs/bafkreiduok44rnwnvnoukyzlvv2wups7uaolfyvoe...
2•KaoruAK•39m ago•0 comments