How I Design Claude Code Skills
Published:
A skill is crystallized consensus from repeated experience, not something designed in the abstract. Eight skills and what I learned about knowing what’s worth putting in them.
Posts by Tags
AI
How to Build AI Agents: Lessons from Five Projects
Published:
How much should I specify upfront, and how much should I let the agent figure out? Lessons from five agent projects, grounded in Anthropic’s engineering philosophy.
From Agent Mania to Research Automation: AI Breaking Through the Frontiers of Knowledge
Published:
Models are so powerful now that anyone can bring ideas to life. But what comes after agent mania? A reflection on data flywheels, distillation, and building AI that does research.
Ascend
From Attention to KV Cache Compression: Notes from a KernelGen Optimization
Published:
Starting from Attention and KV Cache, this note walks through KernelGen Challenge 8: a DeepSeek-style KV compression operator, its Triton implementation, and the separate optimization paths for GPGPU and Ascend.
DeepSeek
From Attention to KV Cache Compression: Notes from a KernelGen Optimization
Published:
Starting from Attention and KV Cache, this note walks through KernelGen Challenge 8: a DeepSeek-style KV compression operator, its Triton implementation, and the separate optimization paths for GPGPU and Ascend.
GPU
From SwiGLU Backward to INT8 Quantization: Notes from a KernelGen Challenge 9 Win
Published:
A reconstruction of our KernelGen Challenge 9 optimization: starting from the SwiGLU backward formula, then walking through 128x128 tiling, fused INT8 quantization, memory bandwidth limits, and per-backend Triton engineering.
From Attention to KV Cache Compression: Notes from a KernelGen Optimization
Published:
Starting from Attention and KV Cache, this note walks through KernelGen Challenge 8: a DeepSeek-style KV compression operator, its Triton implementation, and the separate optimization paths for GPGPU and Ascend.
KV Cache
From Attention to KV Cache Compression: Notes from a KernelGen Optimization
Published:
Starting from Attention and KV Cache, this note walks through KernelGen Challenge 8: a DeepSeek-style KV compression operator, its Triton implementation, and the separate optimization paths for GPGPU and Ascend.
KernelGen
From SwiGLU Backward to INT8 Quantization: Notes from a KernelGen Challenge 9 Win
Published:
A reconstruction of our KernelGen Challenge 9 optimization: starting from the SwiGLU backward formula, then walking through 128x128 tiling, fused INT8 quantization, memory bandwidth limits, and per-backend Triton engineering.
From Attention to KV Cache Compression: Notes from a KernelGen Optimization
Published:
Starting from Attention and KV Cache, this note walks through KernelGen Challenge 8: a DeepSeek-style KV compression operator, its Triton implementation, and the separate optimization paths for GPGPU and Ascend.
Memory
OSTEP Memory Virtualization Notes
Published:
Notes on memory virtualization from OSTEP—address spaces, page tables, TLBs, and the mechanisms that make virtual memory work.
MoE
From SwiGLU Backward to INT8 Quantization: Notes from a KernelGen Challenge 9 Win
Published:
A reconstruction of our KernelGen Challenge 9 optimization: starting from the SwiGLU backward formula, then walking through 128x128 tiling, fused INT8 quantization, memory bandwidth limits, and per-backend Triton engineering.
Operating System
OSTEP Memory Virtualization Notes
Published:
Notes on memory virtualization from OSTEP—address spaces, page tables, TLBs, and the mechanisms that make virtual memory work.
Quantization
From SwiGLU Backward to INT8 Quantization: Notes from a KernelGen Challenge 9 Win
Published:
A reconstruction of our KernelGen Challenge 9 optimization: starting from the SwiGLU backward formula, then walking through 128x128 tiling, fused INT8 quantization, memory bandwidth limits, and per-backend Triton engineering.
SwiGLU
From SwiGLU Backward to INT8 Quantization: Notes from a KernelGen Challenge 9 Win
Published:
A reconstruction of our KernelGen Challenge 9 optimization: starting from the SwiGLU backward formula, then walking through 128x128 tiling, fused INT8 quantization, memory bandwidth limits, and per-backend Triton engineering.
Triton
From SwiGLU Backward to INT8 Quantization: Notes from a KernelGen Challenge 9 Win
Published:
A reconstruction of our KernelGen Challenge 9 optimization: starting from the SwiGLU backward formula, then walking through 128x128 tiling, fused INT8 quantization, memory bandwidth limits, and per-backend Triton engineering.
From Attention to KV Cache Compression: Notes from a KernelGen Optimization
Published:
Starting from Attention and KV Cache, this note walks through KernelGen Challenge 8: a DeepSeek-style KV compression operator, its Triton implementation, and the separate optimization paths for GPGPU and Ascend.
Virtualization
OSTEP Memory Virtualization Notes
Published:
Notes on memory virtualization from OSTEP—address spaces, page tables, TLBs, and the mechanisms that make virtual memory work.
agent
How to Build AI Agents: Lessons from Five Projects
Published:
How much should I specify upfront, and how much should I let the agent figure out? Lessons from five agent projects, grounded in Anthropic’s engineering philosophy.
From Agent Mania to Research Automation: AI Breaking Through the Frontiers of Knowledge
Published:
Models are so powerful now that anyone can bring ideas to life. But what comes after agent mania? A reflection on data flywheels, distillation, and building AI that does research.
ai
After Vibe Code, Vibe Clean: Turning ‘It Runs’ Back Into ‘I Understand’
Published:
After vibe coding comes vibe cleaning—turning a messy but working AI-generated codebase back into something a human can understand, maintain, and extend.
biophysics
A Single-Molecule Bound on Cryptochrome Radical Pair Compass Sensitivity and Its Implications for Avian Magnetoreception
Published:
A single-molecule bound on cryptochrome radical pair compass sensitivity—what quantum spin dynamics tells us about the physical limits of avian magnetoreception.
claude-code
How I Design Claude Code Skills
Published:
A skill is crystallized consensus from repeated experience, not something designed in the abstract. Eight skills and what I learned about knowing what’s worth putting in them.
concurrency
Rust Concurrency Notes (3): Elegant Fixes for Five Real Bugs
Published:
Rust concurrency notes part 3: five real-world concurrency bugs and their elegant solutions—deadlocks, data races, and performance pathologies caught at compile time.
Rust Concurrency Notes (2): Threads, Locks, Channels, and Concurrency Control
Published:
Rust concurrency notes part 2: threads, locks, channels, and concurrency control primitives—Arc, Mutex, RwLock, Condvar, Barrier, and channel selection patterns.
Rust Concurrency Notes (1): Ownership, Types, and Errors
Published:
Rust concurrency notes part 1: how ownership, type system, and error handling create a foundation for fearless concurrency—Send, Sync, and what the compiler actually enforces.
cryptochrome
A Single-Molecule Bound on Cryptochrome Radical Pair Compass Sensitivity and Its Implications for Avian Magnetoreception
Published:
A single-molecule bound on cryptochrome radical pair compass sensitivity—what quantum spin dynamics tells us about the physical limits of avian magnetoreception.
debugging
Docker Socket Exists but Connection Is Refused: Debugging a snap + apt Double Installation
Published:
docker ps returned ECONNREFUSED but the socket file existed and the daemon was running. A debugging walkthrough through pgrep, strace, and journalctl to find the root cause: zombie container state from a snap + apt dual installation.
deepseek
From Agent Mania to Research Automation: AI Breaking Through the Frontiers of Knowledge
Published:
Models are so powerful now that anyone can bring ideas to life. But what comes after agent mania? A reflection on data flywheels, distillation, and building AI that does research.
docker
Docker Socket Exists but Connection Is Refused: Debugging a snap + apt Double Installation
Published:
docker ps returned ECONNREFUSED but the socket file existed and the daemon was running. A debugging walkthrough through pgrep, strace, and journalctl to find the root cause: zombie container state from a snap + apt dual installation.
infrastructure
Design Dimensions for Research Infrastructure
Published:
Four research infrastructure projects, and what they taught me about failure recovery, data integrity, observability, system abstraction, and the mistakes I’d avoid starting over.
linux
Docker Socket Exists but Connection Is Refused: Debugging a snap + apt Double Installation
Published:
docker ps returned ECONNREFUSED but the socket file existed and the daemon was running. A debugging walkthrough through pgrep, strace, and journalctl to find the root cause: zombie container state from a snap + apt dual installation.
magnetoreception
A Single-Molecule Bound on Cryptochrome Radical Pair Compass Sensitivity and Its Implications for Avian Magnetoreception
Published:
A single-molecule bound on cryptochrome radical pair compass sensitivity—what quantum spin dynamics tells us about the physical limits of avian magnetoreception.
methodology
How I Design Claude Code Skills
Published:
A skill is crystallized consensus from repeated experience, not something designed in the abstract. Eight skills and what I learned about knowing what’s worth putting in them.
How to Build AI Agents: Lessons from Five Projects
Published:
How much should I specify upfront, and how much should I let the agent figure out? Lessons from five agent projects, grounded in Anthropic’s engineering philosophy.
opensource
Design Dimensions for Research Infrastructure
Published:
Four research infrastructure projects, and what they taught me about failure recovery, data integrity, observability, system abstraction, and the mistakes I’d avoid starting over.
production
Rust Concurrency Notes (3): Elegant Fixes for Five Real Bugs
Published:
Rust concurrency notes part 3: five real-world concurrency bugs and their elegant solutions—deadlocks, data races, and performance pathologies caught at compile time.
python
After Vibe Code, Vibe Clean: Turning ‘It Runs’ Back Into ‘I Understand’
Published:
After vibe coding comes vibe cleaning—turning a messy but working AI-generated codebase back into something a human can understand, maintain, and extend.
quantum-biology
A Single-Molecule Bound on Cryptochrome Radical Pair Compass Sensitivity and Its Implications for Avian Magnetoreception
Published:
A single-molecule bound on cryptochrome radical pair compass sensitivity—what quantum spin dynamics tells us about the physical limits of avian magnetoreception.
radical-pair
A Single-Molecule Bound on Cryptochrome Radical Pair Compass Sensitivity and Its Implications for Avian Magnetoreception
Published:
A single-molecule bound on cryptochrome radical pair compass sensitivity—what quantum spin dynamics tells us about the physical limits of avian magnetoreception.
research
From Agent Mania to Research Automation: AI Breaking Through the Frontiers of Knowledge
Published:
Models are so powerful now that anyone can bring ideas to life. But what comes after agent mania? A reflection on data flywheels, distillation, and building AI that does research.
research-methodology
Design Dimensions for Research Infrastructure
Published:
Four research infrastructure projects, and what they taught me about failure recovery, data integrity, observability, system abstraction, and the mistakes I’d avoid starting over.
rust
Rust Concurrency Notes (3): Elegant Fixes for Five Real Bugs
Published:
Rust concurrency notes part 3: five real-world concurrency bugs and their elegant solutions—deadlocks, data races, and performance pathologies caught at compile time.
Rust Concurrency Notes (2): Threads, Locks, Channels, and Concurrency Control
Published:
Rust concurrency notes part 2: threads, locks, channels, and concurrency control primitives—Arc, Mutex, RwLock, Condvar, Barrier, and channel selection patterns.
Rust Concurrency Notes (1): Ownership, Types, and Errors
Published:
Rust concurrency notes part 1: how ownership, type system, and error handling create a foundation for fearless concurrency—Send, Sync, and what the compiler actually enforces.
skill
How I Design Claude Code Skills
Published:
A skill is crystallized consensus from repeated experience, not something designed in the abstract. Eight skills and what I learned about knowing what’s worth putting in them.
snap
Docker Socket Exists but Connection Is Refused: Debugging a snap + apt Double Installation
Published:
docker ps returned ECONNREFUSED but the socket file existed and the daemon was running. A debugging walkthrough through pgrep, strace, and journalctl to find the root cause: zombie container state from a snap + apt dual installation.
software-engineering
How I Design Claude Code Skills
Published:
A skill is crystallized consensus from repeated experience, not something designed in the abstract. Eight skills and what I learned about knowing what’s worth putting in them.
How to Build AI Agents: Lessons from Five Projects
Published:
How much should I specify upfront, and how much should I let the agent figure out? Lessons from five agent projects, grounded in Anthropic’s engineering philosophy.
From Agent Mania to Research Automation: AI Breaking Through the Frontiers of Knowledge
Published:
Models are so powerful now that anyone can bring ideas to life. But what comes after agent mania? A reflection on data flywheels, distillation, and building AI that does research.
After Vibe Code, Vibe Clean: Turning ‘It Runs’ Back Into ‘I Understand’
Published:
After vibe coding comes vibe cleaning—turning a messy but working AI-generated codebase back into something a human can understand, maintain, and extend.
spin-dynamics
A Single-Molecule Bound on Cryptochrome Radical Pair Compass Sensitivity and Its Implications for Avian Magnetoreception
Published:
A single-molecule bound on cryptochrome radical pair compass sensitivity—what quantum spin dynamics tells us about the physical limits of avian magnetoreception.
systems
How to Build AI Agents: Lessons from Five Projects
Published:
How much should I specify upfront, and how much should I let the agent figure out? Lessons from five agent projects, grounded in Anthropic’s engineering philosophy.
Design Dimensions for Research Infrastructure
Published:
Four research infrastructure projects, and what they taught me about failure recovery, data integrity, observability, system abstraction, and the mistakes I’d avoid starting over.
systems-programming
Rust Concurrency Notes (3): Elegant Fixes for Five Real Bugs
Published:
Rust concurrency notes part 3: five real-world concurrency bugs and their elegant solutions—deadlocks, data races, and performance pathologies caught at compile time.
Rust Concurrency Notes (2): Threads, Locks, Channels, and Concurrency Control
Published:
Rust concurrency notes part 2: threads, locks, channels, and concurrency control primitives—Arc, Mutex, RwLock, Condvar, Barrier, and channel selection patterns.
Rust Concurrency Notes (1): Ownership, Types, and Errors
Published:
Rust concurrency notes part 1: how ownership, type system, and error handling create a foundation for fearless concurrency—Send, Sync, and what the compiler actually enforces.