From cbf7160054962980968dae6176e79d6c308289c4 Mon Sep 17 00:00:00 2001
From: Antonio Scandurra <me@as-cii.com>
Date: Thu, 24 Aug 2023 16:32:55 +0200
Subject: [PATCH] Improve scoring

---
 crates/ai/src/streaming_diff.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/crates/ai/src/streaming_diff.rs b/crates/ai/src/streaming_diff.rs
index 1e5189d4d889b05872f9df50b3a2a83db57efcac..5425b75bbe8a62403dd490e2aa6d4a7ee119852c 100644
--- a/crates/ai/src/streaming_diff.rs
+++ b/crates/ai/src/streaming_diff.rs
@@ -83,8 +83,8 @@ pub struct StreamingDiff {
 impl StreamingDiff {
     const INSERTION_SCORE: f64 = -1.;
     const DELETION_SCORE: f64 = -5.;
-    const EQUALITY_BASE: f64 = 2.;
-    const MAX_EQUALITY_EXPONENT: i32 = 32;
+    const EQUALITY_BASE: f64 = 1.4;
+    const MAX_EQUALITY_EXPONENT: i32 = 64;
 
     pub fn new(old: String) -> Self {
         let old = old.chars().collect::<Vec<_>>();
@@ -120,7 +120,7 @@ impl StreamingDiff {
                     if self.old[i - 1] == ' ' {
                         self.scores.get(i - 1, j - 1)
                     } else {
-                        let exponent = cmp::min(equal_run as i32 / 3, Self::MAX_EQUALITY_EXPONENT);
+                        let exponent = cmp::min(equal_run as i32, Self::MAX_EQUALITY_EXPONENT);
                         self.scores.get(i - 1, j - 1) + Self::EQUALITY_BASE.powi(exponent)
                     }
                 } else {