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92b3138b83
Updated dependencies: * GMP 6.2.1 * ISL 0.24 * MPL 1.2.1 * MPFR 4.1.0 The dependencies were pulled in by running the ./contrib/download_prerequisites script and then manually removing the symbolic links and archives, and renaming the directories (i.e mv isl-0.24 to isl)
159 lines
5.4 KiB
Bash
Executable File
159 lines
5.4 KiB
Bash
Executable File
#!/bin/bash
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# Script to measure memset and memcpy for different sizes and strategies.
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#
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# Contributed by Jan Hubicka <jh@suse.cz>
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#
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# Copyright (C) 2019-2023 Free Software Foundation, Inc.
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#
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# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GCC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING. If not, write to
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# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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# This script will search a line starting with 'spawn' that includes the
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# pattern you are looking for (typically a source file name).
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#
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# Once it finds that pattern, it re-executes the whole command
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# in the spawn line. If the pattern matches more than one spawn
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# command, it asks which one you want.
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test()
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{
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rm -f a.out
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cat <<END | $1 -x c -O3 $3 -DAVG_SIZE=$2 $STRINGOP -DMEMORY_COPIES=$memsize -
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#define BUFFER_SIZE (16*1024*1024 + AVG_SIZE*2)
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/*#define MEMORY_COPIES (1024*1024*64*(long long)10)*/
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$type t[BUFFER_SIZE];
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int main()
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{
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unsigned int i;
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for (i=0;i<((long long)MEMORY_COPIES + AVG_SIZE * 2 - 1)/AVG_SIZE*2;i++)
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#ifdef test_memset
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__builtin_memset (t+(i*1024*1024+i*1)%(BUFFER_SIZE - AVG_SIZE*2), i, (AVG_SIZE + i) % (AVG_SIZE * 2 + 0));
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#else
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__builtin_memcpy (t+(i*1024*1024+i*1)%(BUFFER_SIZE - AVG_SIZE*2), t+((i+1)*1024*1024*4+i*1)%(BUFFER_SIZE - AVG_SIZE *2), (AVG_SIZE + i) % (AVG_SIZE * 2 + 0));
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#endif
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return 0;
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}
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END
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TIME=`/usr/bin/time -f "%E" ./a.out 2>&1`
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echo -n " "$TIME
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echo $TIME $4 >>/tmp/accum
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}
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test2()
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{
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rm -f a.out
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cat <<END | clang -x c -O3 $3 -DAVG_SIZE=$2 $STRINGOP -DMEMORY_COPIES=$memsize 2>/dev/null -
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#define BUFFER_SIZE (16*1024*1024 + AVG_SIZE*2)
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/*#define MEMORY_COPIES (1024*1024*64*(long long)10)*/
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$type t[BUFFER_SIZE];
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int main()
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{
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unsigned int i;
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for (i=0;i<((long long)MEMORY_COPIES + AVG_SIZE * 2 - 1)/AVG_SIZE*2;i++)
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#ifdef test_memset
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__builtin_memset (t+(i*1024*1024+i*1)%(BUFFER_SIZE - AVG_SIZE*2), i, (AVG_SIZE + i) % (AVG_SIZE * 2 + 0));
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#else
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__builtin_memcpy (t+(i*1024*1024+i*1)%(BUFFER_SIZE - AVG_SIZE*2), t+((i+1)*1024*1024*4+i*1)%(BUFFER_SIZE - AVG_SIZE *2), (AVG_SIZE + i) % (AVG_SIZE * 2 + 0));
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#endif
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return 0;
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}
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END
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TIME=`/usr/bin/time -f "%E" ./a.out 2>&1`
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echo -n " "$TIME
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echo $TIME $4 >>/tmp/accum
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}
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testrow()
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{
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echo -n "" >/tmp/accum
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printf "%12i " $3
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test "$2" "$3" "-mstringop-strategy=libcall" libcall
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test "$2" "$3" "-mstringop-strategy=rep_byte -malign-stringops" rep1
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test "$2" "$3" "-mstringop-strategy=rep_byte -mno-align-stringops" rep1noalign
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test "$2" "$3" "-mstringop-strategy=rep_4byte -malign-stringops" rep4
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test "$2" "$3" "-mstringop-strategy=rep_4byte -mno-align-stringops" rep4noalign
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if [ "$mode" == 64 ]
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then
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test "$2" "$3" "-mstringop-strategy=rep_8byte -malign-stringops" rep8
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test "$2" "$3" "-mstringop-strategy=rep_8byte -mno-align-stringops" rep8noalign
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fi
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test "$2" "$3" "-mstringop-strategy=loop -malign-stringops" loop
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test "$2" "$3" "-mstringop-strategy=loop -mno-align-stringops" loopnoalign
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test "$2" "$3" "-mstringop-strategy=unrolled_loop -malign-stringops" unrl
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test "$2" "$3" "-mstringop-strategy=unrolled_loop -mno-align-stringops" unrlnoalign
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test "$2" "$3" "-mstringop-strategy=vector_loop -malign-stringops" sse
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test "$2" "$3" "-mstringop-strategy=vector_loop -mno-align-stringops -msse2" ssenoalign
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#test2 "$2" "$3" ""
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test "$2" "$3" "-mstringop-strategy=byte_loop" byte
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best=`cat /tmp/accum | sort | head -1`
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test "$2" "$3" " -fprofile-generate" >/dev/null 2>&1
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test "$2" "$3" " -fprofile-use"
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test "$2" "$3" " -minline-stringops-dynamically"
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echo " $best"
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}
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test_all_sizes()
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{
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if [ "$mode" == 64 ]
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then
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echo " block size libcall rep1 noalg rep4 noalg rep8 noalg loop noalg unrl noalg sse noalg byte PGO dynamic BEST"
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else
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echo " block size libcall rep1 noalg rep4 noalg loop noalg unrl noalg sse noalg byte PGO dynamic BEST"
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fi
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#for size in 1 2 3 4 6 8 10 12 14 16 24 32 48 64 128 256 512 1024 4096 8192 81920 819200 8192000
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#for size in 8192000 819200 81920 8192 4096 2048 1024 512 256 128 64 48 32 24 16 14 12 10 8 6 5 4 3 2 1
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for size in 8192000 819200 81920 20480 8192 4096 2048 1024 512 256 128 64 48 32 24 16 14 12 10 8 6 4 1
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#for size in 128 256 1024 4096 8192 81920 819200
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do
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testrow "$1" "$2" $size
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done
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}
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mode=$1
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shift
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export memsize=$1
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shift
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cmdline=$*
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if [ "$mode" != 32 ]
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then
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if [ "$mode" != 64 ]
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then
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echo "Usage:"
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echo "test_stringop mode size cmdline"
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echo "mode is either 32 or 64"
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echo "size is amount of memory copied in each test. Should be chosed small enough so runtime is less than minute for each test and sorting works"
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echo "Example: test_stringop 32 640000000 ./xgcc -B ./ -march=pentium3"
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exit
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fi
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fi
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echo "memcpy"
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export STRINGOP=""
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type=char
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test_all_sizes $mode "$cmdline -m$mode"
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echo "Aligned"
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type=long
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test_all_sizes $mode "$cmdline -m$mode"
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echo "memset"
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export STRINGOP="-Dtest_memset=1"
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type=char
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test_all_sizes $mode "$cmdline -m$mode"
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echo "Aligned"
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type=long
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test_all_sizes $mode "$cmdline -m$mode"
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