To run the benchmark yourself:
git clone https://github.com/JoshuaWise/better-sqlite3.git
cd better-sqlite3
npm install # if you're doing this as the root user, --unsafe-perm is required
node benchmark
These results are from 10/08/2018, on a MacBook Pro (Retina, 15-inch, Mid 2014, OSX 10.11.6), using nodejs v10.11.0.
--- reading rows individually ---
better-sqlite3 x 283,745 ops/sec ±0.16%
node-sqlite3 x 27,191 ops/sec ±0.39%
--- reading 100 rows into an array ---
better-sqlite3 x 6,650 ops/sec ±0.25%
node-sqlite3 x 2,978 ops/sec ±0.33%
--- iterating over 100 rows ---
better-sqlite3 x 5,231 ops/sec ±0.28%
node-sqlite3 x 278 ops/sec ±0.62%
--- inserting rows individually ---
better-sqlite3 x 64,920 ops/sec ±5.86%
node-sqlite3 x 23,564 ops/sec ±3.58%
--- inserting 100 rows in a single transaction ---
better-sqlite3 x 4,155 ops/sec ±4.45%
node-sqlite3 x 321 ops/sec ±1.4%
All benchmarks are executed in WAL mode.