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#compression

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🚀 **Exciting News!** After 15 years of developing #Blosc/#Blosc2, we're thrilled to announce the beta program for Cat2Cloud! 🎉

- 🔄 Share complex data securely and effortlessly
- 🗜️ Access to the best compression algorithms available
- ⚡ Perform advanced computations directly in the cloud

...and more!

ironarray.io/cat2cloud

Join our beta program today and be among the first to experience the power of Cat2Cloud!

#DataScience #Compression #SaaS #CloudComputing #BetaProgram

Share Data Faster!⚡

@sarahdalgulls Arduously long but one point struck me. The use of ambiguity in AI responses because it doesn't know what to put. In effect the reader sees the meaning in the sentence.

Does this mean that we are being gaslighted, and AI is not nearly as advanced as we think? Has it just learnt to produce text that is plausible to anyone and fits multiple interpretations, just like the tabloid astrology columns?

I don't think there's a simple answer to this. On relatively closed domains like writing computer language it definitely can produce real direct answers. On ambiguous social questions, perhaps it does produce ambiguous answers for us to project meaning on to?

I'm quite surprised that I hadn't noticed or thought of this possibility. I think I will ask some questions and look at the answers while asking myself "how would someone with a different worldview understand this?".

📢 🔥 Updated article on Blosc2: Compute with TB-sized datasets on your own hardware, within human timeframes!

Highlights:

🚀 Outperforms NumPy by 10x ~ 100x for large computations
💾 Maintains performance with datasets far exceeding physical memory
🐍 Integrates seamlessly with the Python data science ecosystem
💻 Works both in-memory and on-disk with minimal performance differences

Read more: ironarray.io/blog/compute-bigg

🤔 Ah, the latest #GroundbreakingResearch from the wizards of academia: "Parameter-Free KV Cache Compression" – because who doesn’t love another impenetrable acronym party 🎉? It's so cutting-edge that even the abstract needs an abstract. Time to 🤓 "compress" this into the recycle bin! 🗑️
arxiv.org/abs/2503.10714 #GroundbreakingResearch #ParameterFree #Compression #Academia #TechHumor #ResearchTrends #HackerNews #ngated

arXiv.orgZeroMerge: Parameter-Free KV Cache Compression for Memory-Efficient Long-Context LLMsThe linear growth of key-value (KV) cache memory and quadratic computational complexity pose significant bottlenecks for large language models (LLMs) in long-context processing. While existing KV cache optimization methods address these challenges through token pruning or feature merging, they often suffer from irreversible information loss or require costly parameter retraining. We propose ZeroMerge, a dynamic zero-shot compression framework that achieves efficient cache management through three key innovations: (1) Fine-grained memory allocation guided by multi-dimensional token importance metrics at head-level granularity, (2) A residual merging mechanism that preserves critical context through compensated attention scoring, and (3) Parameter-free adaptation compatible with diverse LLM architectures without retraining. Comprehensive evaluations across LLaMA-2 model demonstrate that ZeroMerge maintains full-cache performance at 5\% compression ratios while doubling inference throughput at 40K token lengths. The method effectively balances memory efficiency, generation quality, and deployment flexibility, advancing practical long-context LLM applications. The code is available at https://github.com/SusCom-Lab/ZeroMerge.

🚀 Exciting Python-Blosc2 Update!
In 3.2.1 release, we've implemented the __array_interface__ protocol for our array containers, dramatically expanding interoperability with NumPy, CuPy and other array libraries.

This means our blosc2.jit decorator now works with virtually all NumPy functions! Compute with the full power of NumPy with either decompressed data... or compressed data without decompressing first.

Check out examples: github.com/Blosc/python-blosc2

#TIL about Sloot digital coding system - the inventor claimed could compress a movie to just 8 KB.

It got a lot of high profile investors but just a few days before Sloot sold his invention, he died of a heart attack.

A hidden hard drive was found in his demonstration devices. Posthumous analysis showed his code uses a known technique and that he probably faked his demonstrations to buy time thinking he could improve the algorithm beyond its mathematical limits.

#compression #computerscience #math #theranos #programming #algorithms

New blog post where I explain how to minify your Godot export size, turning it from the default 93MB to a tiny 6.4MB file.
Some sacrifices were made, but this should serve as a guide on which options you can tune and how effective each one is!

popcar.bearblog.dev/how-to-min

Popcar's BlogHow to Minify Godot's Build Size (93MB --> 6.4MB exe)A quick guide on how to dramatically reduce Godot's export sizes for your game/app!

BOOK LAUNCH — How to make books more sustainable?

→ How to make books more sustainable? Inspired by the image compression on its solar-powered website, Low-tech Magazine squeezed the article catalog of their three-volume book series into just one book. Compressing the content — an editorial and design choice — produces a larger reduction in resource use than printing on recycled paper could ever do.

→ During this book launch event, we present our "Compressed Book Edition", followed by a public discussion on sustainability in the book publishing business. We also have a number of copies for sale during the event.
18:45 Doors open
19:00 Book launch
19:30 Q&A
19:45 Book sale / snacks & drinks / networking / low-tech showcase ;)

📌 Barcelona — Akasha HUB, Carrer de la Verneda 19 (El Clot)

📝 sign-up on meetup! (meetup.com/akashabarcelona/eve)
🗯 poster by our intern Hugo Lopez

Have you ever thought about how amazing modern #video #compression is?

When #QuickTime came out in 1991, the video codecs didn't save you much space, and were very primitive. You could see the (temporally) repeating blocks very obviously, and they didn't have a lot of finesse.

Cinepak was the first one that had some real compression muscle, then Intel Indeo and others.

I've got a 113-second, 720x1600 video that SHOULD take up 21GB of data raw, but easily compresses down to 16MB, and I can hardly tell the difference.

That's 1360:1 savings!

[Archive — 2018] Une pinte de compression

On cause de compression dite « destructive », où on sacrifie un peu la fidélité aux données pour gagner en place ! 🗜️ Une hérésie pour les détracteurs du MP3 (qui n'ont en général jamais procédé à un test à l'aveugle avec le FLAC 👀)

▶️ Lire cette BD : grisebouille.net/une-pinte-de-
📗 Le livre best of : editions.ptilouk.net/gb10ans
❤️ Soutien : ptilouk.net/#soutien