.NET

Technical Guide

Only the 3 GB File Lost to ripgrep — Part 7: The Bottleneck Was Startup Overhead, Not I/O (7 hot Runs: 11.46 s to 7.95 s)

The small file was the one losing. At 50 GB we were level with ripgrep. At 3 GB we were 1.48× slower. The smal…
2026.09.26
Technical Guide
Technical Deep Dive

I Opened 51GB / 890M Lines of Real Data — Then Calculated How Far It Could Theoretically Go (~9.2 Quintillion Lines)

When I released my large-file text viewer UwView on GitHub, I claimed it "handles up to roughly 200 million li…
2026.07.25
Technical Deep Dive
Technical Deep Dive

The Text Viewer That Opened 890 Million Lines: How Far Can It Really Go, Theoretically?

My self-made large-file text viewer "UwView," which had advertised a "maximum of 200 million lines," recently…
2026.07.15
Technical Deep Dive
Technical Explainer

UwView Opens 51GB / 890 Million Lines of Real Data (OSM Japan) — “Apology: The 200 Million Lines Claim Was a Lie”

A while back I wrote an article about releasing the large-file text viewer "UwView" on GitHub. It claims to ha…
2026.07.09
Technical Explainer
Release

UwView Released on GitHub — A Windows 95-Era Large-Capacity (Up to 200 Million Lines) Text Viewer, Renewed for 3 OSes

Back in the Windows 95 era, I built a large-capacity text viewer called "UwView" and published it on Vector. I…
2026.07.09
Release