It's likely because of this (custom Postgres client, request pipelining and not doing sync/commit after each query):
> [Multiple Queries] This is the first test where Just(js) has quite a big lead. This is likely due to the fact it is using a custom postgres client written in Javascript and taking full advantage of pipelining of requests. It also avoids sending a Sync/Commit on every query. As far as I am aware this is within the rules but will be happy to make changes to sync on every query if it is not.
> [Multiple Queries] This is the first test where Just(js) has quite a big lead. This is likely due to the fact it is using a custom postgres client written in Javascript and taking full advantage of pipelining of requests. It also avoids sending a Sync/Commit on every query. As far as I am aware this is within the rules but will be happy to make changes to sync on every query if it is not.
https://just.billywhizz.io/blog/on-javascript-performance-01...