Issue No. 001·March 21, 2026·Seoul Edition
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CUDA Occupancy Calculator

beta

A web-based replacement for Nvidia's CUDA occupancy spreadsheet

webApril 20, 2026
Developer ToolsProductivityGPU Optimization
What It Does

Details

Estimates theoretical occupancy based on block size, register count, and shared memory usage in CUDA kernels. Provides performance insights for GPU programs without requiring spreadsheets.

Who It's For

Best fit users

  • GPU developers CUDA programmers High-performance computing (HPC) engineers
Why It Matters

Why this one made the cut

Nvidia's occupancy calculations are critical for optimizing GPU resource allocation. This tool makes these calculations more accessible for real-time performance tuning in GPU workloads.

Differentiator

What makes it different

Simplifies CUDA optimization by eliminating the need to use complex spreadsheets for occupancy calculations. Available instantly in web browsers for online use.

Sources

Where we found it

Sources

GLOBAL · Hacker NewsENApr 20, 2026Visit

First discovered Apr 20, 2026 · Hacker News