Improve value for armv7 (#10)

kanidm · Jul 18, 2022 · 1116de9 · 1116de9
1 parent 55342a1
commit 1116de9
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/v2.rs b/src/v2.rs
@@ -29,9 +29,12 @@ const AVG_RANGE_COMP_REQ: usize = 12;
 #[cfg(target_arch = "aarch64")]
 const AVG_RANGE_COMP_REQ: usize = 5;
 
-// Untested, but covers other build options.
+// Tested on armv7 (for now). Set a reasonably conservative target
+// for the compression point, because these smaller or non-standard
+// cpu's tend to be less optimised and perform *worse* on sparse compressed
+// arrays.
 #[cfg(not(any(target_arch = "aarch64", target_arch = "x86_64")))]
-const AVG_RANGE_COMP_REQ: usize = 5;
+const AVG_RANGE_COMP_REQ: usize = 14;
 
 const FAST_PATH_BST_RATIO: usize = 8;