wip: findr.

bench.sh

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+BENCH_DIR="$(cd "$(dirname "$0")" && pwd)"
+TARGET="${1:-$HOME}"
+RESULTS_FILE="$BENCH_DIR/bench-results.md"
+FINDR="$BENCH_DIR/findr"
+
+echo "=== findr benchmark suite ==="
+echo "Target: $TARGET"
+echo
+
+# --- pre-flight checks ---
+if ! command -v fd &>/dev/null; then
+    echo "ERROR: fd is not on PATH" >&2
+    exit 1
+fi
+if ! command -v hyperfine &>/dev/null; then
+    echo "ERROR: hyperfine is not on PATH" >&2
+    exit 1
+fi
+
+# --- build findr if missing or stale ---
+NEEDS_BUILD=false
+if [[ ! -f "$BENCH_DIR/findr" ]]; then
+    NEEDS_BUILD=true
+else
+    # rebuild if any .odin source is newer than the binary
+    if find "$BENCH_DIR" -name '*.odin' -newer "$BENCH_DIR/findr" | grep -q .; then
+        NEEDS_BUILD=true
+    fi
+fi
+if $NEEDS_BUILD; then
+    echo "Building findr..."
+    odin build "$BENCH_DIR" -o:speed -out:"$BENCH_DIR/findr"
+fi
+echo
+
+# --- file counts ---
+echo "=== File counts ==="
+printf "  findr --ignored             : %8d\n" "$("$FINDR" --ignored "$TARGET" 2>/dev/null | wc -l)"
+echo
+printf "  fd . -t f --exclude .git    : %8d\n" "$(fd . -t f --exclude .git "$TARGET" 2>/dev/null | wc -l)"
+printf "  findr --no-hidden           : %8d\n" "$("$FINDR" --no-hidden "$TARGET" 2>/dev/null | wc -l)"
+echo
+printf "  fd . -H -t f --exclude .git : %8d\n" "$(fd . -H -t f --exclude .git "$TARGET" 2>/dev/null | wc -l)"
+printf "  findr (respect)             : %8d\n" "$("$FINDR" "$TARGET" 2>/dev/null | wc -l)"
+echo
+printf "  fd . -HI -t f --exclude .git: %8d\n" "$(fd . -HI -t f --exclude .git "$TARGET" 2>/dev/null | wc -l)"
+printf "  findr -I (all)              : %8d\n" "$("$FINDR" -I "$TARGET" 2>/dev/null | wc -l)"
+echo
+
+# --- benchmarks ---
+echo "=== Benchmarks (hyperfine, 5 runs, 2 warmups) ==="
+echo
+hyperfine \
+    --warmup 2 \
+    --runs 5 \
+    --export-markdown "$RESULTS_FILE" \
+    "$FINDR --ignored \"$TARGET\" > /dev/null" \
+    "fd . -t f --exclude .git \"$TARGET\" > /dev/null" \
+    "$FINDR --no-hidden \"$TARGET\" > /dev/null" \
+    "fd . -H -t f --exclude .git \"$TARGET\" > /dev/null" \
+    "$FINDR \"$TARGET\" > /dev/null" \
+    "fd . -HI -t f --exclude .git \"$TARGET\" > /dev/null" \
+    "$FINDR -I \"$TARGET\" > /dev/null"
+echo
+
+echo "=== Results written to $RESULTS_FILE ==="