Yeah I guess two companies who would otherwise be considered going for bankruptcy have models too expensive to run. As they don't see themselves making money any time soon, they have to turn every future model into a weird fascination.
I wonder how gracefully redgrep handles this. This tool hasn't been talked about since the year of its release. If I recall correctly, it doesn't handle some obstruse regexes the way conventional tools do however.
This thread is surprisingly back today with millions of comments. I don't know if anyone has pointed out that the functions called... do nothing. Hence it is understandable that the performance profile is dominated by dynamic dispatch.
Also, his code must have been compiled with an old compiler or less than -O3 as the switch/table version of the code performs exactly the same with Clang and g++ when compiled with -O3.