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p_m_con Show HN: sllm – Split a GPU node with other developers, unlimited tokens

Do you own the GPUs or are you multiplexing on a 3rd party GPU cloud?

p_m_con Unlocking Python's Cores:Energy Implications of Removing the GIL

> Similarly, workloads where threads frequently access and modify the same objects show reduced improvements or even degradation due to lock contention.

Perhaps I'm stating the obvious, but you deal with this with lock-free data structures, immutable data, siloing data per thread, fine-grain locks, etc.

Basically you avoid locks as much as possible.

p_m_con Ask HN: What Are You Working On? (March 2026)

I've been working a light-weight API gateway for dev use that supports auth and RBAC

https://github.com/paul-callahan/tiny-gateway

p_m_con Ask HN: Programmers who aren't front/back end/web developers, what is your job?

I have worked on bond pricing and inventory systems, systems for options and credit default swaps, security agents for runtimes like java, python, industrial control software (SCADA).

p_m_con The matrix calculus you need for deep learning (2018)

Calculus Made Easy - 1910. It is even entertaining.

"What One Fool Can Do, Another Can. (Ancient Simian Proverb.)"

https://calculusmadeeasy.org/

p_m_con Show HN: Simplenetes – I replaced Kubernetes with 17k lines of shell script

great job! looks like a fun project.