In what way? This was a geometric mean of the improvements from a small test corpus. In production, where it only parses longer SQL that didn't hit the parser cache, the mean parse time went down by 454x, across millions of parses.
Yes, you have benchmarks, they will always be synthetic. I'm not dismissing the work, just the selling of it.
You have succeeded though, I did click on it. I even said "Good read" :)
I was hoping to avoid the criticism that I was picking the most favourable number and being misleading!