@francescalted.bsky.social
Reposted
🚀 Our #PyDataGlobal 2025 tutorial on modern #Blosc2 & #Caterva2 features is out!
Learn how compression boosts array performance & enables cloud computing without downloads. ☁️
Watch here: 👇 www.youtube.com/watch?v=tUvS...
#Python #HPC #DataScience #BigData
Learn how compression boosts array performance & enables cloud computing without downloads. ☁️
Watch here: 👇 www.youtube.com/watch?v=tUvS...
#Python #HPC #DataScience #BigData
Francesc Alted+Luke Shaw - Hands-on with Blosc2: Accelerating Your Python Data Workflows-PyData 2025
YouTube video by PyData
www.youtube.com
January 21, 2026 at 1:04 PM
🚀 Our #PyDataGlobal 2025 tutorial on modern #Blosc2 & #Caterva2 features is out!
Learn how compression boosts array performance & enables cloud computing without downloads. ☁️
Watch here: 👇 www.youtube.com/watch?v=tUvS...
#Python #HPC #DataScience #BigData
Learn how compression boosts array performance & enables cloud computing without downloads. ☁️
Watch here: 👇 www.youtube.com/watch?v=tUvS...
#Python #HPC #DataScience #BigData
Run live data analysis and visualizations on your phone in seconds! 💻👁️
Visualize data on your phone with Cat2Cloud! 📱✨
Create interactive plots in your mobile browser. No laptop needed!
Launch our demo, create graphs with Matplotlib/Plotly, customize, and render instantly. Register to save & share your work. 📈🎉
Try it: cat2.cloud/demo/static/...
Create interactive plots in your mobile browser. No laptop needed!
Launch our demo, create graphs with Matplotlib/Plotly, customize, and render instantly. Register to save & share your work. 📈🎉
Try it: cat2.cloud/demo/static/...
December 17, 2025 at 10:04 AM
Run live data analysis and visualizations on your phone in seconds! 💻👁️
Blosc2 + Caterva2 + Numba = ⚡⚡
🚨 Double threat!: Blosc2 3.12.2 + Caterva2 2025.12.3 release!🚨
✅ Streamlined computation for LazyUDFs
✅ Upload LazyUDFs for server-side execution in Caterva2
And as another consequence, Numba can now be integrated into your Blosc2 LazyUDF workflow very easily!
✅ Streamlined computation for LazyUDFs
✅ Upload LazyUDFs for server-side execution in Caterva2
And as another consequence, Numba can now be integrated into your Blosc2 LazyUDF workflow very easily!
December 4, 2025 at 4:24 PM
Blosc2 + Caterva2 + Numba = ⚡⚡
🤔 Can a library that computes on compressed data actually outperform performance heavyweights like NumPy and NumExpr?
Find some surprising answers 👉 www.blosc.org/posts/roofli...
During the walk, I'm also introducing a funny anecdote back when NumPy was a 👶
Enjoy!
#Blosc2 #HPC #NumPy #Numexpr
Find some surprising answers 👉 www.blosc.org/posts/roofli...
During the walk, I'm also introducing a funny anecdote back when NumPy was a 👶
Enjoy!
#Blosc2 #HPC #NumPy #Numexpr
November 27, 2025 at 5:11 PM
🤔 Can a library that computes on compressed data actually outperform performance heavyweights like NumPy and NumExpr?
Find some surprising answers 👉 www.blosc.org/posts/roofli...
During the walk, I'm also introducing a funny anecdote back when NumPy was a 👶
Enjoy!
#Blosc2 #HPC #NumPy #Numexpr
Find some surprising answers 👉 www.blosc.org/posts/roofli...
During the walk, I'm also introducing a funny anecdote back when NumPy was a 👶
Enjoy!
#Blosc2 #HPC #NumPy #Numexpr
A la comunitat local de Python en Castelló de la Plana: aquest divendres dia 28 a les 7:30 ens reunirem al local de Nayar Systems en Avinguda Casalduch, 9.
Parlarem de Cat2Cloud ☁️ : ironarray.io/cat2cloud
Com que és Black Friday, tenim un regalet preparat per als asistents! 🎁
Us esperem!
Parlarem de Cat2Cloud ☁️ : ironarray.io/cat2cloud
Com que és Black Friday, tenim un regalet preparat per als asistents! 🎁
Us esperem!
November 25, 2025 at 5:17 PM
A la comunitat local de Python en Castelló de la Plana: aquest divendres dia 28 a les 7:30 ens reunirem al local de Nayar Systems en Avinguda Casalduch, 9.
Parlarem de Cat2Cloud ☁️ : ironarray.io/cat2cloud
Com que és Black Friday, tenim un regalet preparat per als asistents! 🎁
Us esperem!
Parlarem de Cat2Cloud ☁️ : ironarray.io/cat2cloud
Com que és Black Friday, tenim un regalet preparat per als asistents! 🎁
Us esperem!
Downloading big data is not only boring, but also consumes immense resources. Handle and extract value right where your data is! 💚
To round off our presentation of the shiny new Cat2Cloud product, we have a final 💊 ironPill 💊on data handling from the web client 🌐 .
See how to move ➡️ , copy ©️ and perform other file management operations easily from the prompt box!
Stop downloading, start doing! 🔨
See how to move ➡️ , copy ©️ and perform other file management operations easily from the prompt box!
Stop downloading, start doing! 🔨
November 25, 2025 at 4:34 PM
Downloading big data is not only boring, but also consumes immense resources. Handle and extract value right where your data is! 💚
Don't let this opportunity slip away! 💨
It's Black Friday Week! 🛍️🖤
Don't miss out! Use the coupon code BLACKFRIDAY to get a generous 50% OFF your first order on Cat2Cloud. 💰
This offer is valid until Cyber Monday (Dec 1st), so don't delay! ⏳
Get it today! 👉 ironarray.io/pricing
Don't miss out! Use the coupon code BLACKFRIDAY to get a generous 50% OFF your first order on Cat2Cloud. 💰
This offer is valid until Cyber Monday (Dec 1st), so don't delay! ⏳
Get it today! 👉 ironarray.io/pricing
Pricing | ironArray SLU
Pricing for products & services
ironarray.io
November 24, 2025 at 1:03 PM
Don't let this opportunity slip away! 💨
Slice and compute with HDF5 in the cloud as easy as pie! 🥧
Unlock the power of your HDF5 data in the cloud! ☁️
Cat2Cloud now offers native, out-of-the-box support for HDF5 files. Upload and process your HDF5 data as seamlessly as any other format. ✨
Ready to see it in action? Try our online demo server today! 👉 cat2cloud.com/demo/
#HDF5 #CloudComputing
Cat2Cloud now offers native, out-of-the-box support for HDF5 files. Upload and process your HDF5 data as seamlessly as any other format. ✨
Ready to see it in action? Try our online demo server today! 👉 cat2cloud.com/demo/
#HDF5 #CloudComputing
November 24, 2025 at 12:49 PM
Slice and compute with HDF5 in the cloud as easy as pie! 🥧
Slice and compute with HDF5 in the cloud as easy as pie! 🥧
Unlock the power of your HDF5 data in the cloud! ☁️
Cat2Cloud now offers native, out-of-the-box support for HDF5 files. Upload and process your HDF5 data as seamlessly as any other format. ✨
Ready to see it in action? Try our online demo server today! 👉 cat2cloud.com/demo/
#HDF5 #CloudComputing
Cat2Cloud now offers native, out-of-the-box support for HDF5 files. Upload and process your HDF5 data as seamlessly as any other format. ✨
Ready to see it in action? Try our online demo server today! 👉 cat2cloud.com/demo/
#HDF5 #CloudComputing
November 24, 2025 at 12:48 PM
Slice and compute with HDF5 in the cloud as easy as pie! 🥧
Reposted
It's Friday, and apparently bluesky is ready for this fun revelation:
Dinosaurs lived on the other side the Galaxy.
Dinosaurs lived on the other side the Galaxy.
November 21, 2025 at 5:11 PM
It's Friday, and apparently bluesky is ready for this fun revelation:
Dinosaurs lived on the other side the Galaxy.
Dinosaurs lived on the other side the Galaxy.
I've built a demo Jupyter notebook that connects to a Cat2Cloud server from an Android phone and slices into an 8 TB dataset, downloading a 1 MB chunk in under 100 milliseconds. ⚡
Interact with your vasts remote datasets right in your phone!
cat2.cloud/demo/roots/@...
#Cat2Cloud #Blosc2 #BigData
Interact with your vasts remote datasets right in your phone!
cat2.cloud/demo/roots/@...
#Cat2Cloud #Blosc2 #BigData
November 20, 2025 at 11:24 AM
I've built a demo Jupyter notebook that connects to a Cat2Cloud server from an Android phone and slices into an 8 TB dataset, downloading a 1 MB chunk in under 100 milliseconds. ⚡
Interact with your vasts remote datasets right in your phone!
cat2.cloud/demo/roots/@...
#Cat2Cloud #Blosc2 #BigData
Interact with your vasts remote datasets right in your phone!
cat2.cloud/demo/roots/@...
#Cat2Cloud #Blosc2 #BigData
Reposted
ironArray is on a roll 🚅!
With Cat2Cloud released this week we continue our 💊ironPill series with another video, showing you how to browse your cloud-hosted data ☁️ in the bespoke web client!
Visualise and manage all kinds of data formats - from arrays to jpgs 🖼️, markdown to PDFs 📄 !
With Cat2Cloud released this week we continue our 💊ironPill series with another video, showing you how to browse your cloud-hosted data ☁️ in the bespoke web client!
Visualise and manage all kinds of data formats - from arrays to jpgs 🖼️, markdown to PDFs 📄 !
November 19, 2025 at 11:27 AM
ironArray is on a roll 🚅!
With Cat2Cloud released this week we continue our 💊ironPill series with another video, showing you how to browse your cloud-hosted data ☁️ in the bespoke web client!
Visualise and manage all kinds of data formats - from arrays to jpgs 🖼️, markdown to PDFs 📄 !
With Cat2Cloud released this week we continue our 💊ironPill series with another video, showing you how to browse your cloud-hosted data ☁️ in the bespoke web client!
Visualise and manage all kinds of data formats - from arrays to jpgs 🖼️, markdown to PDFs 📄 !
Yay! 🥳
The crown jewel of Cat2Cloud 💎 !
Cat2Cloud's most exciting feature: 𝗿𝗲𝗺𝗼𝘁𝗲 𝗷𝘂𝗽𝘆𝘁𝗲𝗿 𝗻𝗼𝘁𝗲𝗯𝗼𝗼𝗸𝘀!
☁️ cloud-based computation
☁️ cloud-hosted data
☁️ cloud-hosted jupyter notebooks!
⚡No environment headaches, no waiting for computations - all in a seamless interface from the browser!
Cat2Cloud's most exciting feature: 𝗿𝗲𝗺𝗼𝘁𝗲 𝗷𝘂𝗽𝘆𝘁𝗲𝗿 𝗻𝗼𝘁𝗲𝗯𝗼𝗼𝗸𝘀!
☁️ cloud-based computation
☁️ cloud-hosted data
☁️ cloud-hosted jupyter notebooks!
⚡No environment headaches, no waiting for computations - all in a seamless interface from the browser!
November 20, 2025 at 10:32 AM
Yay! 🥳
So happy to see the beast out of the cage! 🥳
Tired of downloading large datasets? Cat2Cloud is now live! 🚀
Bring computation directly to your data. Host, run, and share workflows with incredible speed. ⚡
Read the announcement: ironarray.io/blog/cat2clo...
#Cat2Cloud #BigData #DataScience #Python #HPC
Bring computation directly to your data. Host, run, and share workflows with incredible speed. ⚡
Read the announcement: ironarray.io/blog/cat2clo...
#Cat2Cloud #BigData #DataScience #Python #HPC
November 18, 2025 at 12:47 PM
So happy to see the beast out of the cage! 🥳
Reposted
November 12, 2025 at 9:13 AM
Reposted
Haha, this from the New Yorker is getting passed around the math dork community. I did a comic about this kind of thought a few years ago: www.smbc-comics.com/comic/commut...
November 7, 2025 at 5:26 PM
Haha, this from the New Yorker is getting passed around the math dork community. I did a comic about this kind of thought a few years ago: www.smbc-comics.com/comic/commut...
Reposted
Our Blosc2 tutorial for @euroscipy.bsky.social 2025 is up! Learn how compression boosts tensor data handling, sharing & computing.
www.youtube.com/watch?v=BdpT... #DataScience #BigData #HPC #OpenSource
www.youtube.com/watch?v=BdpT... #DataScience #BigData #HPC #OpenSource
18.08.2025 Compress, Compute, and Conquer: Python-Blosc2 for Efficient Data Analysis
YouTube video by EuroSciPy
www.youtube.com
November 7, 2025 at 11:38 AM
Our Blosc2 tutorial for @euroscipy.bsky.social 2025 is up! Learn how compression boosts tensor data handling, sharing & computing.
www.youtube.com/watch?v=BdpT... #DataScience #BigData #HPC #OpenSource
www.youtube.com/watch?v=BdpT... #DataScience #BigData #HPC #OpenSource
Reposted
📢🚨Blosc2 3.11.0 Released! 🚨 📢
Blosc2 is part of the NumPy array library ecosystem: numpy.org
In v3.11, Blosc2 has become even more flexible; all functions can accept basically any array object:
𝚋𝚕𝚘𝚜𝚌𝟸.𝚖𝚊𝚝𝚖𝚞𝚕(𝙰, 𝙱)
for 𝙰, 𝙱 PyTorch, Jax, Tensorflow, Zarr... arrays!
#Compute
#Tensor
#PyTorch
Blosc2 is part of the NumPy array library ecosystem: numpy.org
In v3.11, Blosc2 has become even more flexible; all functions can accept basically any array object:
𝚋𝚕𝚘𝚜𝚌𝟸.𝚖𝚊𝚝𝚖𝚞𝚕(𝙰, 𝙱)
for 𝙰, 𝙱 PyTorch, Jax, Tensorflow, Zarr... arrays!
#Compute
#Tensor
#PyTorch
November 3, 2025 at 8:30 AM
The importance of linear algebra in modern computing is undeniable 📐.
Equally crucial is vertical integration. When SSD storage, memory hierarchies, compression, and computation are seamlessly orchestrated 💃, the performance gains can be transformative. 🚀
Equally crucial is vertical integration. When SSD storage, memory hierarchies, compression, and computation are seamlessly orchestrated 💃, the performance gains can be transformative. 🚀
💊IronPill 2💊
See how Blosc2 powers heavy-duty linear algebra (100GB!) workflows
⚡1.5-2x faster than PyTorch + h5py!
🧱 optimised chunking for your cache hierarchy
🐍 one line syntax 𝚋𝚕𝚘𝚜𝚌𝟸.𝚖𝚊𝚝𝚖𝚞𝚕(𝙰, 𝙱, 𝚞𝚛𝚕𝚙𝚊𝚝𝚑='𝚘𝚞𝚝.𝚋𝟸𝚗𝚍')
See blog here: ironarray.io/blog/la-blosc
#Blosc2
#Data
#LinearAlgebra
See how Blosc2 powers heavy-duty linear algebra (100GB!) workflows
⚡1.5-2x faster than PyTorch + h5py!
🧱 optimised chunking for your cache hierarchy
🐍 one line syntax 𝚋𝚕𝚘𝚜𝚌𝟸.𝚖𝚊𝚝𝚖𝚞𝚕(𝙰, 𝙱, 𝚞𝚛𝚕𝚙𝚊𝚝𝚑='𝚘𝚞𝚝.𝚋𝟸𝚗𝚍')
See blog here: ironarray.io/blog/la-blosc
#Blosc2
#Data
#LinearAlgebra
October 28, 2025 at 1:22 PM
The importance of linear algebra in modern computing is undeniable 📐.
Equally crucial is vertical integration. When SSD storage, memory hierarchies, compression, and computation are seamlessly orchestrated 💃, the performance gains can be transformative. 🚀
Equally crucial is vertical integration. When SSD storage, memory hierarchies, compression, and computation are seamlessly orchestrated 💃, the performance gains can be transformative. 🚀
Reposted
💊 IronPill 1💊
Blosc2 calculates Fourier approximations:
⚡5x faster than NumPy
👣 fraction of the memory footprint
🐍 one-line syntax 𝚜𝚞𝚖(𝚊 * 𝚌𝚘𝚜(𝚝) + 𝚋 * 𝚜𝚒𝚗(𝚝), 𝚊𝚡𝚒𝚜=𝟷)
Full notebook: github.com/Blosc/python...
(inspiration: towardsdatascience.com/numexpr-the-...)
#Blosc2
#Data
#SignalProcessing
Blosc2 calculates Fourier approximations:
⚡5x faster than NumPy
👣 fraction of the memory footprint
🐍 one-line syntax 𝚜𝚞𝚖(𝚊 * 𝚌𝚘𝚜(𝚝) + 𝚋 * 𝚜𝚒𝚗(𝚝), 𝚊𝚡𝚒𝚜=𝟷)
Full notebook: github.com/Blosc/python...
(inspiration: towardsdatascience.com/numexpr-the-...)
#Blosc2
#Data
#SignalProcessing
October 20, 2025 at 12:06 PM
💊 IronPill 1💊
Blosc2 calculates Fourier approximations:
⚡5x faster than NumPy
👣 fraction of the memory footprint
🐍 one-line syntax 𝚜𝚞𝚖(𝚊 * 𝚌𝚘𝚜(𝚝) + 𝚋 * 𝚜𝚒𝚗(𝚝), 𝚊𝚡𝚒𝚜=𝟷)
Full notebook: github.com/Blosc/python...
(inspiration: towardsdatascience.com/numexpr-the-...)
#Blosc2
#Data
#SignalProcessing
Blosc2 calculates Fourier approximations:
⚡5x faster than NumPy
👣 fraction of the memory footprint
🐍 one-line syntax 𝚜𝚞𝚖(𝚊 * 𝚌𝚘𝚜(𝚝) + 𝚋 * 𝚜𝚒𝚗(𝚝), 𝚊𝚡𝚒𝚜=𝟷)
Full notebook: github.com/Blosc/python...
(inspiration: towardsdatascience.com/numexpr-the-...)
#Blosc2
#Data
#SignalProcessing
From a programmer's virtue to a computational powerhouse: laziness transforms a developer's best practice into the engine of modern computing.
📢Blosc2 3.10.2 Released! 📢
Lazy evaluation for ALL Blosc2 functions in version 3.10!
Blosc2 powers:
- Zarr/HDF5 computations (see image and blosc.org/posts/tensor...)
- Server compuation via Cat2Cloud (demo site here cat2.cloud/demo/)!
#Zarr
#HDF5
#Python
Lazy evaluation for ALL Blosc2 functions in version 3.10!
Blosc2 powers:
- Zarr/HDF5 computations (see image and blosc.org/posts/tensor...)
- Server compuation via Cat2Cloud (demo site here cat2.cloud/demo/)!
#Zarr
#HDF5
#Python
October 15, 2025 at 12:07 PM
From a programmer's virtue to a computational powerhouse: laziness transforms a developer's best practice into the engine of modern computing.
Inspired by the ESA's Gaia Milky Way map 🌌!
At SciPy 2023, we showcased visualizing a massive 7.3 TB Gaia dataset on a standard laptop by compressing it to 1.8 GB using #Blosc2. Big data analysis for everyone! 🚀
Dataset: digistorage.es/links/652403...
Paper: www.blosc.org/docs/Explori...
#napari
At SciPy 2023, we showcased visualizing a massive 7.3 TB Gaia dataset on a standard laptop by compressing it to 1.8 GB using #Blosc2. Big data analysis for everyone! 🚀
Dataset: digistorage.es/links/652403...
Paper: www.blosc.org/docs/Explori...
#napari
October 10, 2025 at 9:23 AM
Inspired by the ESA's Gaia Milky Way map 🌌!
At SciPy 2023, we showcased visualizing a massive 7.3 TB Gaia dataset on a standard laptop by compressing it to 1.8 GB using #Blosc2. Big data analysis for everyone! 🚀
Dataset: digistorage.es/links/652403...
Paper: www.blosc.org/docs/Explori...
#napari
At SciPy 2023, we showcased visualizing a massive 7.3 TB Gaia dataset on a standard laptop by compressing it to 1.8 GB using #Blosc2. Big data analysis for everyone! 🚀
Dataset: digistorage.es/links/652403...
Paper: www.blosc.org/docs/Explori...
#napari
That's great news! Blosc2 is on its way to become a standard computing engine for most common array containers out there 🚀
Thanks to the array API standard effort; without it we could not possible reach this level of generality 🙏
Compress Better, Compute Faster
Thanks to the array API standard effort; without it we could not possible reach this level of generality 🙏
Compress Better, Compute Faster
🚨Blosc2 3.9.1🚨
Blosc2 as a mature computation engine >>>
• Array API standard compliance - 70 new functions
• Fast linalg: tensordot 12x 𝐅𝐀𝐒𝐓𝐄𝐑 than NumPy for large arrays !
• Fast calc: Funcs like hypot 10x 𝐅𝐀𝐒𝐓𝐄𝐑 than NumPy!
Blog: ironarray.io/blog/array-api
#Python
#linalg
#computation
Blosc2 as a mature computation engine >>>
• Array API standard compliance - 70 new functions
• Fast linalg: tensordot 12x 𝐅𝐀𝐒𝐓𝐄𝐑 than NumPy for large arrays !
• Fast calc: Funcs like hypot 10x 𝐅𝐀𝐒𝐓𝐄𝐑 than NumPy!
Blog: ironarray.io/blog/array-api
#Python
#linalg
#computation
October 1, 2025 at 9:39 AM
That's great news! Blosc2 is on its way to become a standard computing engine for most common array containers out there 🚀
Thanks to the array API standard effort; without it we could not possible reach this level of generality 🙏
Compress Better, Compute Faster
Thanks to the array API standard effort; without it we could not possible reach this level of generality 🙏
Compress Better, Compute Faster
It's surprising how often the powerful SIMD capabilities of modern processors are overlooked. Harnessing them is key to unlocking next-level performance.
🚀 Boost your Python computations on NumPy arrays with @blosc.jit! Let Blosc2's compute engine accelerate your code without changing containers. ⚡
For ultimate speed, native Blosc2 containers are still king. 🏎️
Code: gist.github.com/FrancescAlte...
#Python #DataScience #NumPy #Performance #Blosc
For ultimate speed, native Blosc2 containers are still king. 🏎️
Code: gist.github.com/FrancescAlte...
#Python #DataScience #NumPy #Performance #Blosc
September 22, 2025 at 12:20 PM
It's surprising how often the powerful SIMD capabilities of modern processors are overlooked. Harnessing them is key to unlocking next-level performance.