cuberite/libdeflate
1
0
Fork 0
mirror of https://github.com/cuberite/libdeflate.git synced 2025-08-04 02:06:31 -04:00
Code Issues Packages Projects Releases Wiki Activity

scripts: improve benchmark table script

Browse Source
This commit is contained in:
Eric Biggers 2021-12-31 20:58:04 -06:00
parent 3dca7de4bd
commit 93a06e313e
2 changed files with 117 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

117
scripts/deflate_benchmarks.sh Executable file
View File

@ -0,0 +1,117 @@
#!/bin/bash
set -eu -o pipefail
topdir="$(dirname "$0")/.."
tmpfile=$(mktemp)
trap 'rm -f $tmpfile' EXIT
run_benchmark()
{
local best_ctime=1000000000
local i
for i in $(seq "$NUM_ITERATIONS"); do
"$@" > "$tmpfile"
csize=$(awk '/Compressed/{print $4}' "$tmpfile")
ctime=$(awk '/Compression time/{print $3}' "$tmpfile")
if (( ctime < best_ctime )); then
best_ctime=$ctime
fi
: "$i" # make shellcheck happy
done
CSIZE=$csize
CTIME=$best_ctime
}
multifile()
{
local file results cmd best em
NUM_ITERATIONS=1
echo "File | zlib -6 | zlib -9 | libdeflate -6 | libdeflate -9 | libdeflate -12"
echo "-----|---------|---------|---------------|---------------|---------------"
for file in "$@"; do
echo -n "$(basename "$file")"
results=()
cmd=("$topdir/benchmark" -s"$(stat -c "%s" "$file")" "$file")
run_benchmark "${cmd[@]}" -Y -6
results+=("$CSIZE")
run_benchmark "${cmd[@]}" -Y -6
results+=("$CSIZE")
run_benchmark "${cmd[@]}" -6
results+=("$CSIZE")
run_benchmark "${cmd[@]}" -9
results+=("$CSIZE")
run_benchmark "${cmd[@]}" -12
results+=("$CSIZE")
best=2000000000
for result in "${results[@]}"; do
if (( result < best)); then
best=$result
fi
done
for result in "${results[@]}"; do
if (( result == best )); then
em="**"
else
em=""
fi
echo -n " | ${em}${result}${em}"
done
echo
done
}
single_file()
{
local file=$1
local usize args
local include_old=false
usize=$(stat -c "%s" "$file")
: ${NUM_ITERATIONS:=3}
if [ -e "$topdir/benchmark-old" ]; then
include_old=true
fi
echo -n "Level | libdeflate (new) "
if $include_old; then
echo -n "| libdeflate (old) "
fi
echo "| zlib"
echo -n "------|------------------"
if $include_old; then
echo -n "|------------------"
fi
echo "|-----"
for level in {1..12}; do
echo -n "$level"
args=("$file" -s "$usize" "-$level")
run_benchmark "$topdir/benchmark" "${args[@]}"
echo -n " | $CSIZE / $CTIME"
if $include_old; then
run_benchmark "$topdir/benchmark-old" "${args[@]}"
echo -n " | $CSIZE / $CTIME"
fi
if (( level > 9 )); then
echo -n " | N/A"
else
run_benchmark "$topdir/benchmark" "${args[@]}" -Y
echo -n " | $CSIZE / $CTIME"
fi
echo
done
}
if (( $# > 1 )); then
multifile "$@"
elif (( $# == 1 )); then
single_file "$@"
else
echo 1>&2 "Usage: $0 FILE..."
fi

37
scripts/produce_gzip_benchmark_table.sh
View File

@ -1,37 +0,0 @@
#!/bin/bash
set -eu -o pipefail
topdir="$(dirname "$0")/.."
do_benchmark() {
"$topdir/benchmark" -g -s "$(stat -c %s "$file")" "$@" "$file" \
| grep Compressed | cut -f 4 -d ' '
}
echo "File | zlib -6 | zlib -9 | libdeflate -6 | libdeflate -9 | libdeflate -12"
echo "-----|---------|---------|---------------|---------------|---------------"
for file in "$@"; do
echo -n "$(basename "$file")"
results=()
results+=("$(do_benchmark -Y -6)")
results+=("$(do_benchmark -Y -9)")
results+=("$(do_benchmark -6)")
results+=("$(do_benchmark -9)")
results+=("$(do_benchmark -12)")
best=2000000000
for result in "${results[@]}"; do
if (( result < best)); then
best=$result
fi
done
for result in "${results[@]}"; do
if (( result == best )); then
em="**"
else
em=""
fi
echo -n " | ${em}${result}${em}"
done
echo
done