AI Coding's New Bottleneck: Slow Test Suites Demand Remote Sandboxes

Developer cjimti reports that AI coding workflows are now bottlenecked by test suite execution, not models, with M5 Pro falling behind. He has moved to remote sandboxes with at least 256GB RAM and 40 cores to run agents.

2026-10-11 ~ 2026-10-11 · 2 related posts

• Test suites become the bottleneck: dev ditches M5 Pro for beefy remote sandboxes — cjimti · 2026-10-11
• AI Coding Bottleneck Shifts to Test Suites: Dev Wants 256GB RAM and 40 Cores Per Project — cjimti · 2026-10-11