TL;DR You can take the same source code package that Ubuntu uses to build jq, compile it again, and realize 90% better performance. Setting I use jq for processing GeoJSON files and other open data offered in JSON format. Today I am working with a 500MB GeoJSON file that contains the Alameda County Assessor's parcel map. I want to run a query that prints the city for every parcel worth more than a threshold amount. The program is .features[] | select(.properties.TotalNetValue < 193000) | .proper...