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Deep, recent reads ranked by depth and freshness.

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  1. 01Martin Fowler · architecture

    When Software Meets Hardware

    A software engineering team modernizing a large-scale retail IoT system of 800,000 battery-powered sensors faced challenges integrating software practices with embedded hardware. By building physical sensor farms, virtual emulators, and self-diagnosing firmware, the team learned to design for intermittent connectivity, power efficiency, and fleet-level observability. The project succeeded by treating the physical world, hardware constraints, and engineering environments as core parts of the system lifecycle.

    DEPTH ■■■■■12 min read10 days ago

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  2. 02Martin Fowler · performance

    Are Harnesses Worth the Cost?

    An experiment was conducted to evaluate whether behavioral harnesses improve coding agent reliability when building a complex backend-for-frontend service. While frontier models succeeded consistently with or without a harness, the harness significantly increased token usage, time, and cost without improving final output. However, for a cost-optimized model, the harness improved success rates from 30 percent to 100 percent.

    DEPTH ■■■■■17 min read12 days ago

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