• Library
  • Coordinates
  • Pack
  • About

Harīṣh writes about engineering, learning, training, and adventures.

Performance Engineer & Mediocre Endurance Athlete.
Currently working on LLM Inference performance at AWS.

The Trails

What I'm currently exploring: performance engineering, endurance pursuits, and things I've noted along the way.

Essays

Longform, opinionated writing with an view

View all
engineering · 1 month ago · 66 min read

Lean In: As Code Becomes Cheap

As code becomes cheap, leverage shifts from scaling through culture to scaling through specifications. Lean 4 fundamentals, context engineering, and a verified proof that speculative decoding preserves the target distribution.

Summit
LeanFormal VerificationAI
adventures · 1 month ago · 27 min read

Adventure Planning for 2026

Permit lotteries, application windows, and strategies for landing America's best adventures in 2026.

Summit
HikingBackpackingPermits

Notes

Loose thoughts on things I am still figuring out

View all
  • ↓ The Prompt Portfolio Paradox

Adventures

Trip reports and outdoor expeditions

View all
Mt. Tam Sunrise

Mt. Tam Sunrise

Mount Tamalpais, CA · 3 weeks ago

The math behind timing a perfect sunrise summit hike

Papers

Papers that shaped how I think about systems

View all

Speculative Decoding in the Wild

Summit

How vLLM, SGLang, and TensorRT-LLM implement Eagle speculation: tree attention, KV cache tricks, and CUDA graph trade-offs.

2 weeks ago
Speculative DecodingLLMsInference

Books

Books worth the time, and what I took from them

View all
Same as Ever

Same as Ever

Want to stay up to date?

Subscribe via RSS Feed

© 2026 Harīṣh Tummalachērla

  • Home
  • Trails
  • About
  • Reading
  • Coordinates
  • Projects
  • Now
  • Pack