On Sunday, 14 October 2018 at 03:07:59 UTC, Chris Katko wrote:
For comparison, I just tested and grep uses about 4 MB of RAM to run.
Running and compiling are two entirely different things. Running the D regex code should be comparable, but compiling it is slow, in great part because of internal templates...
There was an effort to speed up the template code, but it is still not complete.
