On interpolating stuff into pattern matches
Interestingly (to me, at least) they reported that the removal of the
/o
modifier made their case 2-3 times slower. This surprised me somewhat, as I had understood that modern Perls (for some value of "modern") had done things to minimize the performance difference between the presence and absence of/o
.
They indeed have.
Ironically, it’s qr
objects which don’t get that benefit. On the machine I’m typing on, the following benchmark…