revset-benchmark: add max(::(tip~20) - obsolete())
This revset is used in evolve. The new revset lazyness should make it all faster
but in practice it is significantly slower.
Below is a timing for this entry on my Mercurial repo.
2.9.2) ! wall 0.034598 comb 0.040000 user 0.040000 sys 0.000000 (best of 100)
3.0+@) ! wall 0.062268 comb 0.060000 user 0.060000 sys 0.000000 (best of 100)
The ~20 have been taken arbitrary.
--- a/contrib/revsetbenchmarks.txt Fri Feb 28 02:25:58 2014 +0100
+++ b/contrib/revsetbenchmarks.txt Mon May 19 14:39:19 2014 -0700
@@ -20,3 +20,4 @@
:10000 and public()
draft()
:10000 and draft()
+max(::(tip~20) - obsolete())