On the other hand: I'm a bit surprised at how many people are writing JSON and care about the performance.
The overwhelming majority of our IO is reading / writing data files, but those are stored in an optimized binary format. The configuration / metadata accounts for a much smaller fraction of IO. For this tiny fraction we care about flexibility and readability, a slow JSON parser is fine.
The overwhelming majority of our IO is reading / writing data files, but those are stored in an optimized binary format. The configuration / metadata accounts for a much smaller fraction of IO. For this tiny fraction we care about flexibility and readability, a slow JSON parser is fine.