iiinova — where your digital self keeps evolving

Reposted by Pablo Marcos Oltra

Víctor 2 @chiconuclear.bsky.social · 25/09/2026

Nuevo capítulo de EL OTRO CASTILLO 🏰, sugerentemente entitulado F FOR FAMICOM: www.rtve.es/play/videos/... Ya me decís qué os ha parecido. Peace.

rtve.es

El otro castillo - F For Famicom - 25/09/26

Desde 2005, una pequeña galería de Tokio expone todos los años cientos de juegos falsos en sus paredes, creados por artistas de todo el mundo por puro amor a...

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Reposted by Pablo Marcos Oltra

Víctor 2 @chiconuclear.bsky.social · 18/09/2026

Hoy se estrena en Radio 3 Extra un espacio, llamado EL OTRO CASTILLO 🏰 , en el que hablaré sobre videojuegos desde puntos de vista interesantes, excéntricos, a la vez urgentes y atemporales. Más info aquí: www.rtve.es/play/noticia... Vedlo en masa, que mi objetivo es presentar el Telediario.

rtve.es

Estrenamos 'El otro castillo', un videopodcast sobre videojuegos

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Reposted by Pablo Marcos Oltra

Elle Cordova @ellecordova.bsky.social · 08/09/2026

I am the very model of a modern day typographer A font take on the tune “Modern Major General” by Gilbert & Sullivan #typography #fonts #graphicdesign

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Pablo Marcos Oltra @pamarcos.bsky.social · 19/05/2026

Filip Jerzy Pizło, the creator of Fil-C. I think he doesn't have Bluesky, but I guess you can find how to reach at www.filpizlo.com Maybe you can try the Discord community pointed at the bottom of fil-c.org Good luck 🫂

filpizlo.com

Filip Jerzy Pizło

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Pablo Marcos Oltra @pamarcos.bsky.social · 10/04/2026

Yeah, there's a myriad of compiler flags to use over there. I only happen to know about this one because when I integrated LLVM XRay's instrumentation into ClickHouse (which adds a few NOP bytes at the beginning of each function to be able to patch them) it slightly affected our benchmark results :)

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Pablo Marcos Oltra @pamarcos.bsky.social · 10/04/2026

Yeah, that's a big issue. At ClickHouse we ask the compiler to have the same alignment for all functions when we build binaries that run for benchmarking purposes: github.com/ClickHouse/C... It doesn't cover all cases, but it's something you can control at least: gcc.gnu.org/onlinedocs/g...

github.com

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/03/2026

Which one and why not the Pebble Round 2? 😇

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Pablo Marcos Oltra @pamarcos.bsky.social · 13/02/2026

The rollback does the inverse process. It patches the instructions again to add back the initial JMP and the NOPs, preserving the original intent of the code.

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Pablo Marcos Oltra @pamarcos.bsky.social · 10/02/2026

gonna be* This is what happens whenever you start with” going to” and then edit to look cool

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Pablo Marcos Oltra @pamarcos.bsky.social · 10/02/2026

Pinky promise this is gonna to be the coolest shit you’re gonna see today www.makingsoftware.com By Dan Hollick

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Pablo Marcos Oltra @pamarcos.bsky.social · 09/02/2026

I'm very happy with the experience of attending #FOSDEM for the 2nd time with friends and colleagues. Oh, and I finally met @raysan5.bsky.social in person! 10/10 would recommend.

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Pablo Marcos Oltra @pamarcos.bsky.social · 09/02/2026

Using `SYSTEM INSTRUMENT ADD 'QueryMetricLog::startQuery' LOG 'my log'` hotpatches the function adding a hardcoded log + stacktrace. Apart of the LOG handler we also have SLEEP to go around/provoke race conditions and PROFILE to have a good deterministic profile report

A screenshot of a report shown in Perfetto

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Pablo Marcos Oltra @pamarcos.bsky.social · 09/02/2026

Here's the link to watch the talk: fosdem.org/2026/schedul... And here are the slides: presentations.clickhouse.com/2026-fosdem-... It's not as advanced as what @molecularmusing.bsky.social does with @liveplusplus.bsky.social, but it serves our goal to help debugging and profiling in production

fosdem.org

FOSDEM 2026 - Hotpatching ClickHouse in production with XRay

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Pablo Marcos Oltra @pamarcos.bsky.social · 09/02/2026

I gave a talk at #FOSDEM where we added to ClickHouse the possibility to hotpatch functions in production for debugging purposes. It uses a mix of compiler instrumentation and a runtime library called XRay from LLVM. We can enable different handlers through SQL statements

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Pablo Marcos Oltra @pamarcos.bsky.social · 04/02/2026

For all those who miss thinking hard because of AI, this article is 👌

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Reposted by Pablo Marcos Oltra

Manish Gill @manishgill.bsky.social · 28/01/2026

Hiring in the US 🇺🇸 If you are into #DistributedSystems, #Databases, #Kubernetes, then I'm hiring for #ClickHouse Cloud AutoScaling Team! Things we do: 📊 Scaling Algorithms, 🚀 Performance, ⚙️ Reliability 👥Staff / Principals (open to Seniors) DM or Reply here!

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Reposted by Pablo Marcos Oltra

Stefan Reinalter @molecularmusing.bsky.social · 26/01/2026

I guess we are doing this again: liveplusplus.tech/blog/ Expect a mix of low-level, C++, assembly.

liveplusplus.tech

Index - Live++ blog

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Reposted by Pablo Marcos Oltra

LaurieWired @lauriewired.bsky.social · 26/01/2026

someone built a Linux CPU scheduler that makes scheduling decisions based on planetary positions and zodiac signs it actually works haha:

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Pablo Marcos Oltra @pamarcos.bsky.social · 17/01/2026

Ah, I see! People that want that often separate the private parts in a private.h or impl.h in a different dir that isn't provided in their SDK. But of course, there is nothing preventing others from including those if they have them

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Pablo Marcos Oltra @pamarcos.bsky.social · 17/01/2026

The compiler does not export the symbol, so the linker can never use it, independently of anyone knowing the signature of the function

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Pablo Marcos Oltra @pamarcos.bsky.social · 17/01/2026

In C you can at least use the static keyword on functions to limit the visibility to the current translation unit (c file). That's the way of making a function private that it has

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/11/2025

"Es posible habitar un Internet descentralizado, lugares alternativos, nichos, romper con el Internet canónico y construir nuestros propios espacios" 👏👏👏👏 Justo por eso los de @choquejuergas.bsky.social han hecho un foro para hablar tranquilicos de sus cosicas: foro.choquejuergas.com

foro.choquejuergas.com

Foro Choquejuergas

El forochoque

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Pablo Marcos Oltra @pamarcos.bsky.social · 06/10/2025

@fxn.bsky.social I don't know if you have seen this ClickGems released by ClickHouse, but you may find it interesting: clickgems.clickhouse.com/dashboard/ze... And the blog post: clickhouse.com/blog/announc...

clickgems.clickhouse.com

ClickPy - Download analytics for zeitwerk

Analytics for the python package zeitwerk, powered by ClickHouse

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Pablo Marcos Oltra @pamarcos.bsky.social · 04/06/2025

Odin does it adding support for it on the compiler directly, as far as I understand it: odin-lang.org/docs/overvie...

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Pablo Marcos Oltra @pamarcos.bsky.social · 04/06/2025

Glad you like it! Something I've found very neat for both Zig and Odin: they provide a Struct of Arrays interface out of the box to improve data locality. Zig does it using comptime and its reflection capabilities to implement it in its std: zig.news/kristoff/str...

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

The former. Neither Zig nor Rust have exceptions. I see now that the original statement might lead to confusion😅

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

This other one is also a good one: youtu.be/3K8znjWN_Ig Sorry for the spam, but I've been following them for a while, so I've collected quite a few things at this point ^_^

youtu.be

"Boundaries of Language Design" with Andrew Kelley & Ginger Bill

YouTube video by Mr. 4th Programming

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

I think @gingerbill.org (the creator of Odin) on the other hand, is more pragmatic and less of an idealist in that sense, but also has very good and insightful takes on language design. Plus, an incredible accent. youtu.be/oaeQRKWr0v4 is a very nice listen where they both give their ideas

youtu.be

The Race to Replace C and C++Compiler - Podcast

YouTube video by Handmade Cities

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

Yeah, Andrew Kelley created the Zig Software Foundation really early and strongly advocates for OSS. That's why he's only in Mastodon, I guess

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

But having new paradigms, better toolchains and options is a good thing. It's also important to have success products built with the language. For Zig, that'd be Tigerbeetle or Ghostty. For Odin, JangaFX. Having a good BDFL you agree with leading the language instead of a company also adds up :)

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

All this comes from a systems programmer mindset, so I'm well aware I'm pretty biased. I'm very happy that lately there's a wave of new general-purpose programming languages such as Zig, Odin and others. I agree that for most people, such low-level languages are overkill and not so convenient

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

So, you can use C and have defer with gcc/clang extensions. And you can always return a struct wrapping the result along with a success boolean. You can use arenas instead of raw mallocs everywhere. You may even have reflection with macro juggling. Even generics in C11, but they're very ugly

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

Last, using comptime to avoid having a preprocessor and to allow generics is top notch. I think is better than C++ and Java. In summary, Zig provides out of the box lots of things that only an experienced C developer can end up achieving with a strong and opinionated mindset

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

Having defer and errdefer in the language to have locality between init and deinit seems a very simple thing but so powerful to avoid code clutter in different branches. Metaprogramming and reflection using exactly the same language is a big plus, as opposed to C++ which is an incredible mess

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

Even though the language itself is more complex than C, it also has less undefined behavior and is still much simpler than C++, which is an untamed beast at this stage. The explicit error management is an improvement over exceptions, a la Rust and the rest of modern systems languages.

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

My take on Zig in a few words: it's a modern and much better C. Just the fact that the toolchain can easily cross-compile and the build system is standardized is a big plus compared to both C and C++. The allocator-awareness of the std is very nice for systems programming and makes memory explicit.

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Pablo Marcos Oltra @pamarcos.bsky.social · 03/06/2025

Cool! What do you think about comptime functions that return new types? That's something new to me

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Reposted by Pablo Marcos Oltra

Dare Obasanjo @carnage4life.bsky.social · 30/05/2025

In 1995, Jeff Bezos's parents, Jackie and Mike Bezos, invested $245,573 in Amazon.com, which was a loan to help Bezos start his online bookstore. Entrepreneurship is a carnival game.

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Pablo Marcos Oltra @pamarcos.bsky.social · 14/05/2025

Ayer terminé la segunda temporada de #Andor, y deseandico estoy de que mis panas de @choquejuergas.bsky.social hagan un nuevo podcast comentándola y sacando analogías. * Introduzca aquí su referencia a Los Miserables

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LOWρUFO 🇺🇦🇵🇸🌍 @lowrhoufo.bsky.social · 13/04/2025

I found the most incredible graph on the other site

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Reposted by Pablo Marcos Oltra

tverghis @me.tverghis.space · 14/01/2025

I was trying to reproduce a simple benchmark recently and it sent me down on a side quest to better understand a small part of how computers manage memory. I did a little write-up here: tverghis.space/posts/page-f...

tverghis.space

Oops All Page Faults! | Tarun Verghis

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Reposted by Pablo Marcos Oltra

Making a free cycling game @dfeldman.org · 14/01/2025

Inside of you there are two wolves. Inside each wolf there are zero, one, or two wolves. Write a function to rebalance an arbitrary wolftree B such that it has minimal depth. The function should execute in O(logn) time. Show your work.

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