| commit | 41bd5185131b1be19cb20ff62040494f225a1ea8 | |
| author | Eric Blake <eblake@redhat.com> | |
| Wed, 18 Jan 2023 20:50:42 +0000 (18 14:50 -0600) | ||
| committer | Eric Blake <eblake@redhat.com> | |
| Wed, 18 Jan 2023 21:00:42 +0000 (18 15:00 -0600) | ||
| tree | 2a28e4a5d50cc069d999eed801e5d5b67e448f1a | treesnapshot (tar.gz zip) |
| parent | da5a0eaf45155a59faa70653fd869c8d6187242e | commitdiff |
day 23 another shave
Cut another half second, to 12.7s, by using 1D coordinates, mapping
x,y into ((y+50)<<8)+(x+50). Smaller macro names and fewer parameters
to parse overcome the heavier reliance on eval; and the earlier work
to cache neighbor computation becomes all the more important.
Cut another half second, to 12.7s, by using 1D coordinates, mapping
x,y into ((y+50)<<8)+(x+50). Smaller macro names and fewer parameters
to parse overcome the heavier reliance on eval; and the earlier work
to cache neighbor computation becomes all the more important.
| 2022/day23.m4 | diffblobblamehistory |