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    Blog

    Notes

    Write-ups of things I ran into at work, mostly numerical bugs and HPC plumbing.

    • 2026-09-20 Opening a 63 GB Climate Mesh: 300 Million Cells, 306 Seconds
    • 2026-07-20 The Bug Hiding in Every Sum: Kahan Summation, Compensated Arithmetic, and Where They Actually Matter
    • 2026-07-15 Loops: The Oldest Primitive, and How One Nearly Wrecked a C++-to-Python Port
    • 2026-07-13 Where Your Numbers Live: Killing Hidden Heap Allocations in a Numba Hot Path
    • 2026-05-28 MCP in 2026: From Anthropic Side Project to Industry Infrastructure
    • 2026-05-28 The AI ROI Problem Is Real. The Fix Isn't Cutting Licenses.
    • 2026-04-04 UXarray MCP Server: AI-Agent Dataset Exploration with Globus Compute
    • 2025-01-15 IMPROVE: Building Rigorous Benchmark Infrastructure for Cancer Drug Response Prediction
    • 2024-11-01 SFNO on Aurora: Porting a Climate Emulator to Intel GPUs
    • 2023-09-01 From RGG and MeshKit to the MOOSE Reactor Module
    • 2022-11-01 CANDLE/Supervisor: Running Cancer AI Research at Scale on DOE Supercomputers
    • 2020-07-01 Urban Microclimate at Scale: Array of Things, EnergyPlus, and CFD for Chicago

    Something else

    Atma Siddhi Shastra (हिंदी), an interactive guide to the text. Not about software.

    © 2026 Rajeev Jain.