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findr/bench.sh
2026-06-17 10:43:00 -04:00

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#!/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:"$BENCH_DIR/findr"
fi
echo
# --- file counts ---
echo "=== File counts ==="
printf " fd -a . : %8d\n" "$(fd -a . "$TARGET" 2>/dev/null | wc -l)"
printf " findr : %8d\n" "$("$FINDR" "$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 "$TARGET" 2>/dev/null | wc -l)"
echo
printf " fd -a -E .git -HI . : %8d\n" "$(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)"
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 "$TARGET" 2>/dev/null | wc -l)"
echo
# --- benchmarks ---
echo "=== Benchmarks (hyperfine, 5 runs, 2 warmups) ==="
echo
hyperfine \
--warmup 2 \
--runs 5 \
--export-markdown "$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"
echo
echo "=== Results written to $RESULTS_FILE ==="