1 files changed, 0 insertions, 167 deletions
diff --git a/util/compress/libdeflate/scripts/checksum_benchmarks.sh b/util/compress/libdeflate/scripts/checksum_benchmarks.sh
deleted file mode 100755
index 23b5984eb..000000000
--- a/util/compress/libdeflate/scripts/checksum_benchmarks.sh
+++ /dev/null
@@ -1,167 +0,0 @@
-#!/bin/bash
-
-set -eu -o pipefail
-
-have_cpu_feature() {
-	local feature="$1"
-	local tag
-	case $ARCH in
-	arm*|aarch*)
-		tag="Features"
-		;;
-	*)
-		tag="flags"
-		;;
-	esac
-	grep -q "^$tag"$'[ \t]'"*:.*\<$feature\>" /proc/cpuinfo
-}
-
-make_and_test() {
-	# Build the checksum program and tests.  Set the special test support
-	# flag to get support for LIBDEFLATE_DISABLE_CPU_FEATURES.
-	make "$@" TEST_SUPPORT__DO_NOT_USE=1 checksum test_checksums > /dev/null
-
-	# Run the checksum tests, for good measure.  (This isn't actually part
-	# of the benchmarking.)
-	./test_checksums > /dev/null
-}
-
-__do_benchmark() {
-	local impl="$1" speed
-	shift
-	local flags=("$@")
-
-	speed=$(./checksum "${CKSUM_FLAGS[@]}" "${flags[@]}" -t "$FILE" | \
-		grep -o '[0-9]\+ MB/s' | grep -o '[0-9]\+')
-	printf "%-45s%-10s\n" "$CKSUM_NAME ($impl)" "$speed"
-}
-
-do_benchmark() {
-	local impl="$1"
-
-	if [ "$impl" = zlib ]; then
-		__do_benchmark "$impl" "-Z"
-	else
-		make_and_test CFLAGS="${EXTRA_CFLAGS[*]}"
-		__do_benchmark "libdeflate, $impl"
-		if [ "$ARCH" = x86_64 ]; then
-			make_and_test CFLAGS="-m32 ${EXTRA_CFLAGS[*]}"
-			__do_benchmark "libdeflate, $impl, 32-bit"
-		fi
-	fi
-}
-
-sort_by_speed() {
-	awk '{print $NF, $0}' | sort -nr | cut -f2- -d' '
-}
-
-disable_cpu_feature() {
-	local name="$1"
-	shift
-	local extra_cflags=("$@")
-
-	LIBDEFLATE_DISABLE_CPU_FEATURES+=",$name"
-	EXTRA_CFLAGS+=("${extra_cflags[@]}")
-}
-
-cleanup() {
-	if $USING_TMPFILE; then
-		rm "$FILE"
-	fi
-}
-
-ARCH="$(uname -m)"
-USING_TMPFILE=false
-
-if (( $# > 1 )); then
-	echo "Usage: $0 [FILE]" 1>&2
-	exit 1
-fi
-
-trap cleanup EXIT
-
-if (( $# == 0 )); then
-	# Generate default test data file.
-	FILE=$(mktemp -t checksum_testdata.XXXXXXXXXX)
-	USING_TMPFILE=true
-	echo "Generating 100 MB test file: $FILE"
-	head -c 100000000 /dev/urandom > "$FILE"
-else
-	FILE="$1"
-fi
-
-cat << EOF
-Method                                       Speed (MB/s)
-------                                       ------------
-EOF
-
-# CRC-32
-CKSUM_NAME="CRC-32"
-CKSUM_FLAGS=()
-EXTRA_CFLAGS=()
-export LIBDEFLATE_DISABLE_CPU_FEATURES=""
-{
-case $ARCH in
-i386|x86_64)
-	if have_cpu_feature pclmulqdq && have_cpu_feature avx; then
-		do_benchmark "PCLMUL/AVX"
-		disable_cpu_feature "avx" "-mno-avx"
-	fi
-	if have_cpu_feature pclmulqdq; then
-		do_benchmark "PCLMUL"
-		disable_cpu_feature "pclmul" "-mno-pclmul"
-	fi
-	;;
-arm*|aarch*)
-	if have_cpu_feature crc32; then
-		do_benchmark "ARM"
-		disable_cpu_feature "crc32" "-march=armv8-a+nocrc"
-	fi
-	if have_cpu_feature pmull; then
-		do_benchmark "PMULL"
-		disable_cpu_feature "pmull" "-march=armv8-a+nocrc+nocrypto"
-	fi
-	;;
-esac
-do_benchmark "generic"
-do_benchmark "zlib"
-} | sort_by_speed
-
-# Adler-32
-CKSUM_NAME="Adler-32"
-CKSUM_FLAGS=(-A)
-EXTRA_CFLAGS=()
-export LIBDEFLATE_DISABLE_CPU_FEATURES=""
-echo
-{
-case $ARCH in
-i386|x86_64)
-	if have_cpu_feature avx512bw; then
-		do_benchmark "AVX-512BW"
-		disable_cpu_feature "avx512bw" "-mno-avx512bw"
-	fi
-	if have_cpu_feature avx2; then
-		do_benchmark "AVX2"
-		disable_cpu_feature "avx2" "-mno-avx2"
-	fi
-	if have_cpu_feature sse2; then
-		do_benchmark "SSE2"
-		disable_cpu_feature "sse2" "-mno-sse2"
-	fi
-	;;
-arm*)
-	if have_cpu_feature neon; then
-		do_benchmark "NEON"
-		disable_cpu_feature "neon" "-mfpu=vfpv3"
-	fi
-	;;
-aarch*)
-	if have_cpu_feature asimd; then
-		do_benchmark "NEON"
-		disable_cpu_feature "neon" "-march=armv8-a+nosimd"
-	fi
-	;;
-esac
-do_benchmark "generic"
-do_benchmark "zlib"
-} | sort_by_speed