jkone27 / 1brc

1️⃣🐝🏎️ The One Billion Row Challenge - .NET Edition

1️⃣🐝🏎️ The One Billion Row Challenge - .NET Edition

The One Billion Row Challenge (1BRC Original Java Challenge) is a fun exploration of how far modern .NET can be pushed for aggregating one billion rows from a text file. Grab all your (virtual) threads, reach out to SIMD, optimize your GC, or pull any other trick, and create the fastest implementation for solving this task!

Results

#	Result (m:s.ms)	Implementation	SDK	Submitter
1.	00:02.92	buybackoff/1brc	8.0.100	Victor Baybekov
2.	00:30.81	F0b0s/1brc	8.0.100	Sergey Popov
3.	00:51.76	LexedAndHashed.fs	8.0.100	Frank Krueger
4.	03:18.31	Baseline.fs	8.0.100	Frank Krueger

Running

dotnet run measurements-20.txt

macOS Intel 64-bit Optimized

dotnet publish -c Release -r osx-x64 --self-contained
time bin/Release/net8.0/osx-x64/publish/1brc measurements.txt

Profiling

dotnet-trace collect --duration 00:00:10 -- bin/Release/net8.0/osx-x64/publish/1brc measurements.txt
dotnet-trace convert 1brc_yyyymmdd_hhmmss.nettrace --format Speedscope

Drag the resulting json file on to https://www.speedscope.app