chore: Update docs for - Add some debug metric

crates/fff-core/src/score.rs

@@ -541,6 +541,8 @@ fn match_and_score_in_arena<'a>(
         },
     };
 
+    let t0 = std::time::Instant::now();
+
     let path_matches = match_fuzzy_parts(
         fuzzy_parts,
         &working_files,
@@ -549,6 +551,8 @@ fn match_and_score_in_arena<'a>(
         arena,
     );
 
+    let t1 = std::time::Instant::now();
+
     let main_needle = fuzzy_parts[0].as_bytes(); // safe
     let main_needle_len = main_needle.len() as u16;
 
@@ -772,6 +776,16 @@ fn match_and_score_in_arena<'a>(
         })
         .collect();
 
+    let t2 = std::time::Instant::now();
+
+    tracing::info!(
+        simd_match_ms = t1.duration_since(t0).as_millis(),
+        scoring_ms = t2.duration_since(t1).as_millis(),
+        path_matches_count = results.len(),
+        total_files = files.len(),
+        "score.rs phase breakdown"
+    );
+
     results
 }
 

doc/fff.nvim.txt

@@ -1,5 +1,5 @@
 *fff.nvim.txt*
-                              For Neovim >= 0.10.0    Last change: 2026 May 05
+                              For Neovim >= 0.10.0    Last change: 2026 May 06
 
 ==============================================================================
 Table of Contents                                 *fff.nvim-table-of-contents*