From 46ffe4f99ab679d179b9c8bc94338bd4b7bbb9a6 Mon Sep 17 00:00:00 2001
From: Spencer Brower <spencer.brower@proton.me>
Date: Wed, 17 Jun 2026 11:48:05 -0400
Subject: [PATCH] fix(find): Ignored volatile dirs in benchmarks.

---
 PERFORMANCE_IDEAS.md |  5 +++++
 bench.sh             | 32 ++++++++++++++++----------------
 2 files changed, 21 insertions(+), 16 deletions(-)
 create mode 100644 PERFORMANCE_IDEAS.md

diff --git a/PERFORMANCE_IDEAS.md b/PERFORMANCE_IDEAS.md
new file mode 100644
index 0000000..f943484
--- /dev/null
+++ b/PERFORMANCE_IDEAS.md
@@ -0,0 +1,5 @@
+findr is 4.5x slower than fd (case 1: 658ms vs 146ms). Opportunities:
+- Per-thread result buffers (eliminate mutex contention)
+- Arena allocator for path strings
+- Larger getdents buffer (8KB → 64KB+)
+- Buffered stdout output
diff --git a/bench.sh b/bench.sh
index a236838..179ab2e 100755
--- a/bench.sh
+++ b/bench.sh
@@ -38,17 +38,17 @@ echo
 
 # --- file counts ---
 echo "=== File counts ==="
-printf "  fd -a .                      : %8d\n" "$(fd -a . "$TARGET" 2>/dev/null | wc -l)"
-printf "  findr                        : %8d\n" "$("$FINDR" "$TARGET" 2>/dev/null | wc -l)"
+printf "  fd -a -E .jj .                : %8d\n" "$(fd -a -E .jj . "$TARGET" 2>/dev/null | wc -l)"
+printf "  findr -E .jj                  : %8d\n" "$("$FINDR" -E .jj "$TARGET" 2>/dev/null | wc -l)"
 echo
-printf "  fd -a -E .git -H .           : %8d\n" "$(fd -a -E .git -H . "$TARGET" 2>/dev/null | wc -l)"
-printf "  findr -E .git -H             : %8d\n" "$("$FINDR" -E .git -H "$TARGET" 2>/dev/null | wc -l)"
+printf "  fd -a -E .git -E .jj -H .     : %8d\n" "$(fd -a -E .git -E .jj -H . "$TARGET" 2>/dev/null | wc -l)"
+printf "  findr -E .git -E .jj -H       : %8d\n" "$("$FINDR" -E .git -E .jj -H "$TARGET" 2>/dev/null | wc -l)"
 echo
-printf "  fd -a -E .git -HI .          : %8d\n" "$(fd -a -E .git -HI . "$TARGET" 2>/dev/null | wc -l)"
-printf "  findr -E .git -HI            : %8d\n" "$("$FINDR" -E .git -HI "$TARGET" 2>/dev/null | wc -l)"
+printf "  fd -a -E .git -E .jj -HI .    : %8d\n" "$(fd -a -E .git -E .jj -HI . "$TARGET" 2>/dev/null | wc -l)"
+printf "  findr -E .git -E .jj -HI      : %8d\n" "$("$FINDR" -E .git -E .jj -HI "$TARGET" 2>/dev/null | wc -l)"
 echo
-printf "  fd -a -E .git .              : %8d\n" "$(fd -a -E .git . "$TARGET" 2>/dev/null | wc -l)"
-printf "  findr -E .git                : %8d\n" "$("$FINDR" -E .git "$TARGET" 2>/dev/null | wc -l)"
+printf "  fd -a -E .git -E .jj .        : %8d\n" "$(fd -a -E .git -E .jj . "$TARGET" 2>/dev/null | wc -l)"
+printf "  findr -E .git -E .jj          : %8d\n" "$("$FINDR" -E .git -E .jj "$TARGET" 2>/dev/null | wc -l)"
 echo
 
 # --- benchmarks ---
@@ -58,14 +58,14 @@ hyperfine \
     --warmup 2 \
     --runs 5 \
     --export-markdown "$RESULTS_FILE" \
-    "fd -a . \"$TARGET\" > /dev/null" \
-    "$FINDR \"$TARGET\" > /dev/null" \
-    "fd -a -E .git -H . \"$TARGET\" > /dev/null" \
-    "$FINDR -E .git -H \"$TARGET\" > /dev/null" \
-    "fd -a -E .git -HI . \"$TARGET\" > /dev/null" \
-    "$FINDR -E .git -HI \"$TARGET\" > /dev/null" \
-    "fd -a -E .git . \"$TARGET\" > /dev/null" \
-    "$FINDR -E .git \"$TARGET\" > /dev/null"
+    "fd -a -E .jj . \"$TARGET\" > /dev/null" \
+    "$FINDR -E .jj \"$TARGET\" > /dev/null" \
+    "fd -a -E .git -E .jj -H . \"$TARGET\" > /dev/null" \
+    "$FINDR -E .git -E .jj -H \"$TARGET\" > /dev/null" \
+    "fd -a -E .git -E .jj -HI . \"$TARGET\" > /dev/null" \
+    "$FINDR -E .git -E .jj -HI \"$TARGET\" > /dev/null" \
+    "fd -a -E .git -E .jj . \"$TARGET\" > /dev/null" \
+    "$FINDR -E .git -E .jj \"$TARGET\" > /dev/null"
 echo
 
 echo "=== Results written to $RESULTS_FILE ==="