# Synthetic Uniform, Harder

Uniform random matching synthetic benchmark with the weakest v1 uniform connectivity.

## Benchmark Role

A hard benchmark for acceleration and sparse solver choices.

The v1 graph uses `id1` and `id2` as the two fixed-effect dimensions.

## Data

- Rows: 500,000
- Columns: `id1`, `id2`, `x1`, `x2`, `y`
- `id1` levels: 216,007
- `id2` levels: 216,046
- CSV SHA-256: `87a1a14c70c8f902a54ba3a85fef4ca5534f606a0d200c02b9d11f853b72c5bd`

## Source

Generated by the synthetic uniform-matching benchmark scripts included with this collection.

Citation note: Uniform random matching benchmark with the weakest uniform connectivity in this collection.

