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update etc/tune_it.sh after merging #231

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Steffen Jaeckel 2019-05-06 22:38:16 +02:00
parent db76bed220
commit a7fcb6f53c
4 changed files with 24 additions and 25 deletions
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1
etc/.gitignore vendored Normal file
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@ -0,0 +1 @@
tune

36
etc/tune_it.sh
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@ -37,7 +37,7 @@ median() {
MPWD=$(pwd)
FILE_NAME="tuning_list"
BNCORE_C="../bncore.c"
TOMMATH_CUTOFFS_H="../tommath_cutoffs.h"
BACKUP_SUFFIX=".orig"
RNUM=0;
#############################################################################
@ -52,9 +52,9 @@ LIMIT=100
# Number of loops for each input.
RLOOPS=10
# Offset ( > 0 ) . Runs tests with asymmetric input of the form 1:OFFSET
# Please use another destination for BNCORE_C if you change OFFSET, because the numbers
# Please use another destination for TOMMATH_CUTOFFS_H if you change OFFSET, because the numbers
# with an offset different from 1 (one) are not usable as the general cut-off values
# in "bncore.c".
# in "tommath_cutoffs.h".
OFFSET=1
# Number ( >= 3 ) of positive results (TC-is-faster) accumulated until it is accepted.
# Due to the algorithm used to compute the median in this Posix compliant shell script
@ -74,7 +74,7 @@ echo "km ks tc3m tc3s" > $FILE_NAME || die "Writing header to $FILE_NAME" $?
i=1
while [ $i -le $LIMIT ]; do
RNUM=$(LCG)
echo $i
printf "\r%d" $i
"$MPWD"/tune -t -r $RLOOPS -L $LAG -S "$RNUM" -o $OFFSET >> $FILE_NAME || die "tune" $?
i=$((i + 1))
done
@ -83,14 +83,12 @@ if [ $KEEP_TEMP -eq 0 ]; then
rm -v $FILE_NAME || die "Removing $KEEP_TEMP" $?
fi
echo "Writing cut-off values to \"bncore.c\"."
echo "In case of failure: a copy of \"bncore.c\" is in \"bncore.c.orig\""
echo "Writing cut-off values to \"$TOMMATH_CUTOFFS_H\"."
echo "In case of failure: a copy of \"$TOMMATH_CUTOFFS_H\" is in \"$TOMMATH_CUTOFFS_H$BACKUP_SUFFIX\""
cp -v $BNCORE_C $BNCORE_C$BACKUP_SUFFIX || die "Making backup copy of bncore.c" $?
cp -v $TOMMATH_CUTOFFS_H $TOMMATH_CUTOFFS_H$BACKUP_SUFFIX || die "Making backup copy of $TOMMATH_CUTOFFS_H" $?
cat << END_OF_INPUT > $BNCORE_C || die "Writing header to bncore.c" $?
#include "tommath_private.h"
#ifdef BNCORE_C
cat << END_OF_INPUT > $TOMMATH_CUTOFFS_H || die "Writing header to $TOMMATH_CUTOFFS_H" $?
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/*
@ -107,23 +105,21 @@ i=1;
TMP=""
TMP=$(cat $FILE_NAME | cut -d' ' -f$i )
TMP=$(median $TMP )
echo "int KARATSUBA_MUL_CUTOFF = $TMP;"
echo "int KARATSUBA_MUL_CUTOFF = $TMP;" >> $BNCORE_C || die "(km) Appending to bncore.c" $?
echo "#define MP_DEFAULT_KARATSUBA_MUL_CUTOFF $TMP"
echo "#define MP_DEFAULT_KARATSUBA_MUL_CUTOFF $TMP" >> $TOMMATH_CUTOFFS_H || die "(km) Appending to $TOMMATH_CUTOFFS_H" $?
i=$((i + 1))
TMP=$(cat $FILE_NAME | cut -d' ' -f$i )
TMP=$(median $TMP );
echo "int KARATSUBA_SQR_CUTOFF = $TMP;"
echo "int KARATSUBA_SQR_CUTOFF = $TMP;" >> $BNCORE_C || die "(ks) Appending to bncore.c" $?
echo "#define MP_DEFAULT_KARATSUBA_SQR_CUTOFF $TMP"
echo "#define MP_DEFAULT_KARATSUBA_SQR_CUTOFF $TMP" >> $TOMMATH_CUTOFFS_H || die "(ks) Appending to $TOMMATH_CUTOFFS_H" $?
i=$((i + 1))
TMP=$(cat $FILE_NAME | cut -d' ' -f$i)
TMP=$(median $TMP );
echo "int TOOM_MUL_CUTOFF = $TMP;"
echo "int TOOM_MUL_CUTOFF = $TMP;" >> $BNCORE_C || die "(tc3m) Appending to bncore.c" $?
echo "#define MP_DEFAULT_TOOM_MUL_CUTOFF $TMP"
echo "#define MP_DEFAULT_TOOM_MUL_CUTOFF $TMP" >> $TOMMATH_CUTOFFS_H || die "(tc3m) Appending to $TOMMATH_CUTOFFS_H" $?
i=$((i + 1))
TMP=$(cat $FILE_NAME | cut -d' ' -f$i)
TMP=$(median $TMP );
echo "int TOOM_SQR_CUTOFF = $TMP;"
echo "int TOOM_SQR_CUTOFF = $TMP;" >> $BNCORE_C || die "(tc3s) Appending to bncore.c" $?
echo "#endif" >> $BNCORE_C || die "(end) Appending to bncore.c" $?
echo "#define MP_DEFAULT_TOOM_SQR_CUTOFF $TMP"
echo "#define MP_DEFAULT_TOOM_SQR_CUTOFF $TMP" >> $TOMMATH_CUTOFFS_H || die "(tc3s) Appending to $TOMMATH_CUTOFFS_H" $?

6
makefile.shared
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@ -99,11 +99,7 @@ timing: $(LIBNAME) demo/timing.c
tune: $(LIBNAME)
$(LTCOMPILE) $(CFLAGS) -c etc/tune.c -o etc/tune.o
$(LTLINK) $(LDFLAGS) -o etc/tune etc/tune.o $(LIBNAME)
$(LTCOMPILE) $(CFLAGS) -c etc/statistic_summary_single_column.c -o etc/statistic_summary_single_column.o
$(LTLINK) $(LDFLAGS) -o etc/statistic_summary_single_column etc/statistic_summary_single_column.o
cd etc/
/bin/sh tune_it.sh
cd ..
cd etc/; /bin/sh tune_it.sh; cd ..
$(MAKE) -f makefile.shared

6
tommath_cutoffs.h
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@ -1,5 +1,11 @@
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/*
Current values evaluated on an AMD A8-6600K (64-bit).
Type "make tune" to optimize them for your machine but
be aware that it may take a long time. It took 2:30 minutes
on the aforementioned machine for example.
*/
#define MP_DEFAULT_KARATSUBA_MUL_CUTOFF 80
#define MP_DEFAULT_KARATSUBA_SQR_CUTOFF 120