Optimize vertical box filter to iterate over rows for cache friendliness.

2021-02-25 15:17:06 -05:00
parent 6966433c9c
commit bb1b5ddac0
5 changed files with 143 additions and 105 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -190,6 +190,15 @@ dependencies = [
 "tiff",
 ]

+[[package]]
+name = "itertools"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37d572918e350e82412fe766d24b15e6682fb2ed2bbe018280caa810397cb319"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "jpeg-decoder"
 version = "0.1.22"
@@ -315,6 +324,7 @@ name = "physarum"
 version = "0.1.0"
 dependencies = [
 "image",
+ "itertools",
 "rand",
 "rayon",
 ]