mirror of
https://github.com/cuberite/libdeflate.git
synced 2025-08-04 02:06:31 -04:00
118 lines
2.3 KiB
Bash
Executable File
118 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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set -eu -o pipefail
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topdir="$(dirname "$0")/.."
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tmpfile=$(mktemp)
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trap 'rm -f $tmpfile' EXIT
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run_benchmark()
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{
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local best_ctime=1000000000
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local i
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for i in $(seq "$NUM_ITERATIONS"); do
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"$@" > "$tmpfile"
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csize=$(awk '/Compressed/{print $4}' "$tmpfile")
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ctime=$(awk '/Compression time/{print $3}' "$tmpfile")
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if (( ctime < best_ctime )); then
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best_ctime=$ctime
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fi
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: "$i" # make shellcheck happy
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done
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CSIZE=$csize
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CTIME=$best_ctime
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}
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multifile()
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{
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local file results cmd best em
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NUM_ITERATIONS=1
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echo "File | zlib -6 | zlib -9 | libdeflate -6 | libdeflate -9 | libdeflate -12"
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echo "-----|---------|---------|---------------|---------------|---------------"
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for file in "$@"; do
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echo -n "$(basename "$file")"
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results=()
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cmd=("$topdir/benchmark" -s"$(stat -c "%s" "$file")" "$file")
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run_benchmark "${cmd[@]}" -Y -6
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results+=("$CSIZE")
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run_benchmark "${cmd[@]}" -Y -6
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results+=("$CSIZE")
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run_benchmark "${cmd[@]}" -6
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results+=("$CSIZE")
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run_benchmark "${cmd[@]}" -9
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results+=("$CSIZE")
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run_benchmark "${cmd[@]}" -12
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results+=("$CSIZE")
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best=2000000000
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for result in "${results[@]}"; do
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if (( result < best)); then
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best=$result
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fi
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done
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for result in "${results[@]}"; do
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if (( result == best )); then
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em="**"
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else
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em=""
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fi
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echo -n " | ${em}${result}${em}"
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done
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echo
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done
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}
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single_file()
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{
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local file=$1
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local usize args
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local include_old=false
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usize=$(stat -c "%s" "$file")
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: ${NUM_ITERATIONS:=3}
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if [ -e "$topdir/benchmark-old" ]; then
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include_old=true
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fi
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echo -n "Level | libdeflate (new) "
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if $include_old; then
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echo -n "| libdeflate (old) "
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fi
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echo "| zlib"
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echo -n "------|------------------"
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if $include_old; then
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echo -n "|------------------"
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fi
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echo "|-----"
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for level in {1..12}; do
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echo -n "$level"
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args=("$file" -s "$usize" "-$level")
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run_benchmark "$topdir/benchmark" "${args[@]}"
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echo -n " | $CSIZE / $CTIME"
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if $include_old; then
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run_benchmark "$topdir/benchmark-old" "${args[@]}"
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echo -n " | $CSIZE / $CTIME"
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fi
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if (( level > 9 )); then
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echo -n " | N/A"
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else
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run_benchmark "$topdir/benchmark" "${args[@]}" -Y
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echo -n " | $CSIZE / $CTIME"
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fi
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echo
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done
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}
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if (( $# > 1 )); then
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multifile "$@"
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elif (( $# == 1 )); then
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single_file "$@"
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else
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echo 1>&2 "Usage: $0 FILE..."
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fi
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