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Old 2009-03-18, 14:34   #56
akruppa
 
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Thanks, that's good news. Does tune produce sensible parameters for the NTT now?

Alex
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Old 2009-03-18, 15:26   #57
Jeff Gilchrist
 
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Quote:
Originally Posted by akruppa View Post
Thanks, that's good news. Does tune produce sensible parameters for the NTT now?
It produced on the Opteron:

#define MPZMOD_THRESHOLD 68
#define REDC_THRESHOLD 512
#define MPN_MUL_LO_THRESHOLD_TABLE {0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 9, 10, 11, 12, 13, 12, 13, 14, 15, 15, 16, 17, 18, 19, 20, 21, 19, 19}
#define NTT_GFP_TWIDDLE_DIF_BREAKOVER 12
#define NTT_GFP_TWIDDLE_DIT_BREAKOVER 17
#define MUL_NTT_THRESHOLD 512
#define PREREVERTDIVISION_NTT_THRESHOLD 32
#define POLYINVERT_NTT_THRESHOLD 1024
#define POLYEVALT_NTT_THRESHOLD 16384
#define MPZSPV_NORMALISE_STRIDE 256

There is no tune for the MSVC builds.

Jeff.
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Old 2009-03-18, 15:34   #58
akruppa
 
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The DIF breakover looks reasonable now - much better than 7.

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Old 2009-03-25, 14:36   #59
akruppa
 
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Quote:
Originally Posted by fivemack View Post
But what really surprises me is that oprofile tells me, on a C244 which ought to have mpn_size 13 which is a lot less than REDC_THRESHOLD and on an ECM which I compiled with asmredc enabled, that it's spending 90% of its time in libgmp.
I just looked at the code again and it turns out that we don't use mulredc for P-1 stage 1 with large enough B1. I yet need to write a proper sliding window exponentiation for mpmod.
Was that a P-1 run?

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Old 2009-09-25, 15:27   #60
Andi47
 
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Default a bunch of noob questions

Quote:
Originally Posted by henryzz View Post
i didnt know that
i still managed to get 2x speed by running in 64-bit though

i had to install GMP to get GMP-ECM to compile on the 64-bit version of Ubuntu
after i installed GMP 4.2.4 the first time the ./configure for GMP-ECM said i had mismatching versions of gmp.h which it said was 4.2.2 and the other part which it said was 4.2.4
it took quite a bit of fiddling to get it to work
I have installed ubuntu 9.04 on my laptop (not yet connected to internet, because I haven't installed my mobile modem yet) approx. two weeks ago, and want to compile ECM. Questions:

GMP (libgmp3c2, version 2:4.2.4+dfsg-2ubuntu1) is installed, is it save to update to GMP 4.3.1 by running

./configure
make
make check

? (gcc 4.3.3 is installed; does this compiler compile gmp-4.3.1 correctly on a core 2 duo? gmplib.org says that gcc 4.3.2 won't do, so I'm a bit concerned.)

Quote:
sudo apt-get install libc6-dev g++ gcc
sudo apt-get install build-essentials
sudo apt-get install m4
Which of these do I have to install - or how do I find out if they are already installed? (I know that m4 is not installed, as GMP-ECM was complaining.) When I download them and install them offline, will typing e.g. "install m4" (without "sudo apt-get") do?

Edit: I just managed to connect to internet when running ubuntu, so the questions about installing offline are obsolete.

Last fiddled with by Andi47 on 2009-09-25 at 16:24
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Old 2009-09-25, 16:58   #61
henryzz
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Quote:
Originally Posted by Andi47 View Post
Quote:
sudo apt-get install libc6-dev g++ gcc
sudo apt-get install build-essentials
sudo apt-get install m4
Which of these do I have to install - or how do I find out if they are already installed? (I know that m4 is not installed, as GMP-ECM was complaining.) When I download them and install them offline, will typing e.g. "install m4" (without "sudo apt-get") do?

Edit: I just managed to connect to internet when running ubuntu, so the questions about installing offline are obsolete.
i think the first one is included in build-essentials
m4 is needed for gmp-ecm

Last fiddled with by henryzz on 2009-09-25 at 17:10
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Old 2009-09-26, 14:11   #62
Andi47
 
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I have now installed m4, then changed to my ECM directory and typed ./configure.
After a lot of lines, the process died after complaining that it can't find gmp.h.

According to synaptics, libgmp3c2 is installed, is this what I'm searching? In which directory is it hidden? (I didn't find it, but I guess, that I need to type ./configure --with-gmp=<gmp directory>?) Should I better download and install gmp-4.3.1 from gmplib.org?

Edit: Does gmp-4.3.1 compile correctly with gcc 4.3.3?

Edit: I just tried. after compiling GMP and typing "make", all tests are passed, but I get a few warnings (although the tests after the warnings are passed too.):

Code:
make[4]: Verlasse Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/rand'
make[3]: Verlasse Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/rand'
Making check in misc
make[3]: Betrete Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/misc'
make  t-printf t-scanf t-locale
make[4]: Betrete Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/misc'
gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../.. -I../../tests    -O2 -pedantic -m64 -mtune=core2 -c t-printf.c
t-printf.c: In Funktion »check_n«:
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
/bin/bash ../../libtool --mode=link gcc  -O2 -pedantic -m64 -mtune=core2   -o t-printf  t-printf.o ../../tests/libtests.la ../../libgmp.la 
mkdir .libs
gcc -O2 -pedantic -m64 -mtune=core2 -o .libs/t-printf t-printf.o  ../../tests/.libs/libtests.a /home/andreas/GMP/gmp-4.3.1/.libs/libgmp.so ../../.libs/libgmp.so 
creating t-printf
gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../.. -I../../tests    -O2 -pedantic -m64 -mtune=core2 -c t-scanf.c
t-scanf.c: In Funktion »check_n«:
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c: In Funktion »check_misc«:
t-scanf.c:1605: Warnung: ISO-C90 unterstützt nicht »long long«
/bin/bash ../../libtool --mode=link gcc  -O2 -pedantic -m64 -mtune=core2   -o t-scanf  t-scanf.o ../../tests/libtests.la ../../libgmp.la 
gcc -O2 -pedantic -m64 -mtune=core2 -o .libs/t-scanf t-scanf.o  ../../tests/.libs/libtests.a /home/andreas/GMP/gmp-4.3.1/.libs/libgmp.so ../../.libs/libgmp.so 
creating t-scanf
gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../.. -I../../tests    -O2 -pedantic -m64 -mtune=core2 -c t-locale.c
/bin/bash ../../libtool --mode=link gcc  -O2 -pedantic -m64 -mtune=core2   -o t-locale  t-locale.o ../../tests/libtests.la ../../libgmp.la 
gcc -O2 -pedantic -m64 -mtune=core2 -o .libs/t-locale t-locale.o  ../../tests/.libs/libtests.a /home/andreas/GMP/gmp-4.3.1/.libs/libgmp.so ../../.libs/libgmp.so 
creating t-locale
make[4]: Verlasse Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/misc'
make  check-TESTS
make[4]: Betrete Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/misc'
PASS: t-printf
PASS: t-scanf
PASS: t-locale
==================
All 3 tests passed
==================
Is this harmful?

Edit2:

ls
Code:
andreas@ubuntu:~/GMP/gmp-4.3.1$ ls
acinclude.m4     config.h       errno.lo        gmp-h.in          macos          mp_clz_tab.o    mp_set_fns.c   randdef.o    randmts.c    rands.o
aclocal.m4       config.in      errno.o         gmp-impl.h        Makefile       mp_dv_tab.c     mp_set_fns.lo  randiset.c   randmts.lo   README
ansi2knr.1       config.log     extract-dbl.c   gmp-mparam.h      Makefile.am    mp_dv_tab.lo    mp_set_fns.o   randiset.lo  randmts.o    scanf
ansi2knr.c       config.m4      extract-dbl.lo  gmpxx.h           Makefile.in    mp_dv_tab.o     mpz            randiset.o   randmui.c    stamp-h1
assert.c         config.status  extract-dbl.o   INSTALL           memory.c       mpf             NEWS           randlc2s.c   randmui.lo   tal-debug.c
assert.lo        config.sub     fib_table.h     INSTALL.autoconf  memory.lo      mp_get_fns.c    printf         randlc2s.lo  randmui.o    tal-notreent.c
assert.o         configure      gen-bases       install-sh        memory.o       mp_get_fns.lo   randbui.c      randlc2s.o   rand.o       tal-reent.c
AUTHORS          configure.in   gen-bases.c     invalid.c         missing        mp_get_fns.o    randbui.lo     randlc2x.c   rands.c      tal-reent.lo
ChangeLog        COPYING        gen-fac_ui      invalid.lo        mp_bases.h     mp.h            randbui.o      randlc2x.lo  randsd.c     tal-reent.o
compat.c         COPYING.LIB    gen-fac_ui.c    invalid.o         mp_bpl.c       mp-h.in         rand.c         randlc2x.o   randsd.lo    tests
compat.lo        cxx            gen-fib         libgmp.la         mp_bpl.lo      mp_minv_tab.c   randclr.c      rand.lo      randsd.o     tune
compat.o         demos          gen-fib.c       libmp.sym         mp_bpl.o       mp_minv_tab.lo  randclr.lo     randmt.c     randsdui.c   version.c
configfsf.guess  doc            gen-psqr        libtool           mpbsd          mp_minv_tab.o   randclr.o      randmt.h     randsdui.lo  version.lo
configfsf.sub    dumbmp.c       gen-psqr.c      longlong.h        mp_clz_tab.c   mpn             randdef.c      randmt.lo    randsdui.o   version.o
config.guess     errno.c        gmp.h           ltmain.sh         mp_clz_tab.lo  mpq             randdef.lo     randmt.o     rands.lo
...
cd ecm-6.2.3
./configure --with gmp=/home/andreas/GMP/gmp-4.3.1

Code:
...
checking for malloc_usable_size... yes
checking gmp.h usability... no
checking gmp.h presence... no
checking for gmp.h... no
configure: error: required header file missing
huh??

Last fiddled with by Andi47 on 2009-09-26 at 14:46
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Old 2009-09-27, 05:53   #63
Andi47
 
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Quote:
Originally Posted by Andi47 View Post
Edit2:

ls
Code:
andreas@ubuntu:~/GMP/gmp-4.3.1$ ls
acinclude.m4     config.h       errno.lo        gmp-h.in          macos          mp_clz_tab.o    mp_set_fns.c   randdef.o    randmts.c    rands.o
aclocal.m4       config.in      errno.o         gmp-impl.h        Makefile       mp_dv_tab.c     mp_set_fns.lo  randiset.c   randmts.lo   README
ansi2knr.1       config.log     extract-dbl.c   gmp-mparam.h      Makefile.am    mp_dv_tab.lo    mp_set_fns.o   randiset.lo  randmts.o    scanf
ansi2knr.c       config.m4      extract-dbl.lo  gmpxx.h           Makefile.in    mp_dv_tab.o     mpz            randiset.o   randmui.c    stamp-h1
assert.c         config.status  extract-dbl.o   INSTALL           memory.c       mpf             NEWS           randlc2s.c   randmui.lo   tal-debug.c
assert.lo        config.sub     fib_table.h     INSTALL.autoconf  memory.lo      mp_get_fns.c    printf         randlc2s.lo  randmui.o    tal-notreent.c
assert.o         configure      gen-bases       install-sh        memory.o       mp_get_fns.lo   randbui.c      randlc2s.o   rand.o       tal-reent.c
AUTHORS          configure.in   gen-bases.c     invalid.c         missing        mp_get_fns.o    randbui.lo     randlc2x.c   rands.c      tal-reent.lo
ChangeLog        COPYING        gen-fac_ui      invalid.lo        mp_bases.h     mp.h            randbui.o      randlc2x.lo  randsd.c     tal-reent.o
compat.c         COPYING.LIB    gen-fac_ui.c    invalid.o         mp_bpl.c       mp-h.in         rand.c         randlc2x.o   randsd.lo    tests
compat.lo        cxx            gen-fib         libgmp.la         mp_bpl.lo      mp_minv_tab.c   randclr.c      rand.lo      randsd.o     tune
compat.o         demos          gen-fib.c       libmp.sym         mp_bpl.o       mp_minv_tab.lo  randclr.lo     randmt.c     randsdui.c   version.c
configfsf.guess  doc            gen-psqr        libtool           mpbsd          mp_minv_tab.o   randclr.o      randmt.h     randsdui.lo  version.lo
configfsf.sub    dumbmp.c       gen-psqr.c      longlong.h        mp_clz_tab.c   mpn             randdef.c      randmt.lo    randsdui.o   version.o
config.guess     errno.c        gmp.h           ltmain.sh         mp_clz_tab.lo  mpq             randdef.lo     randmt.o     rands.lo
...
cd ecm-6.2.3
./configure --with gmp=/home/andreas/GMP/gmp-4.3.1

Code:
...
checking for malloc_usable_size... yes
checking gmp.h usability... no
checking gmp.h presence... no
checking for gmp.h... no
configure: error: required header file missing
huh??
any idea why ./configure complains about a missing gmp.h? If not - can anyone please provide a precompiled binary (compiled with gmp-4.3.1) for Core 2 Duo under linux?
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Old 2009-09-27, 15:22   #64
henryzz
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Quote:
Originally Posted by Andi47 View Post
I have now installed m4, then changed to my ECM directory and typed ./configure.
After a lot of lines, the process died after complaining that it can't find gmp.h.

According to synaptics, libgmp3c2 is installed, is this what I'm searching? In which directory is it hidden? (I didn't find it, but I guess, that I need to type ./configure --with-gmp=<gmp directory>?) Should I better download and install gmp-4.3.1 from gmplib.org?

Edit: Does gmp-4.3.1 compile correctly with gcc 4.3.3?

Edit: I just tried. after compiling GMP and typing "make", all tests are passed, but I get a few warnings (although the tests after the warnings are passed too.):

Code:
make[4]: Verlasse Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/rand'
make[3]: Verlasse Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/rand'
Making check in misc
make[3]: Betrete Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/misc'
make  t-printf t-scanf t-locale
make[4]: Betrete Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/misc'
gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../.. -I../../tests    -O2 -pedantic -m64 -mtune=core2 -c t-printf.c
t-printf.c: In Funktion »check_n«:
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
t-printf.c:812: Warnung: ISO-C90 unterstützt nicht »long long«
/bin/bash ../../libtool --mode=link gcc  -O2 -pedantic -m64 -mtune=core2   -o t-printf  t-printf.o ../../tests/libtests.la ../../libgmp.la 
mkdir .libs
gcc -O2 -pedantic -m64 -mtune=core2 -o .libs/t-printf t-printf.o  ../../tests/.libs/libtests.a /home/andreas/GMP/gmp-4.3.1/.libs/libgmp.so ../../.libs/libgmp.so 
creating t-printf
gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../.. -I../../tests    -O2 -pedantic -m64 -mtune=core2 -c t-scanf.c
t-scanf.c: In Funktion »check_n«:
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c:1346: Warnung: ISO-C90 unterstützt nicht »long long«
t-scanf.c: In Funktion »check_misc«:
t-scanf.c:1605: Warnung: ISO-C90 unterstützt nicht »long long«
/bin/bash ../../libtool --mode=link gcc  -O2 -pedantic -m64 -mtune=core2   -o t-scanf  t-scanf.o ../../tests/libtests.la ../../libgmp.la 
gcc -O2 -pedantic -m64 -mtune=core2 -o .libs/t-scanf t-scanf.o  ../../tests/.libs/libtests.a /home/andreas/GMP/gmp-4.3.1/.libs/libgmp.so ../../.libs/libgmp.so 
creating t-scanf
gcc -DHAVE_CONFIG_H -I. -I. -I../.. -I../.. -I../../tests    -O2 -pedantic -m64 -mtune=core2 -c t-locale.c
/bin/bash ../../libtool --mode=link gcc  -O2 -pedantic -m64 -mtune=core2   -o t-locale  t-locale.o ../../tests/libtests.la ../../libgmp.la 
gcc -O2 -pedantic -m64 -mtune=core2 -o .libs/t-locale t-locale.o  ../../tests/.libs/libtests.a /home/andreas/GMP/gmp-4.3.1/.libs/libgmp.so ../../.libs/libgmp.so 
creating t-locale
make[4]: Verlasse Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/misc'
make  check-TESTS
make[4]: Betrete Verzeichnis '/home/andreas/GMP/gmp-4.3.1/tests/misc'
PASS: t-printf
PASS: t-scanf
PASS: t-locale
==================
All 3 tests passed
==================
Is this harmful?

Edit2:

ls
Code:
andreas@ubuntu:~/GMP/gmp-4.3.1$ ls
acinclude.m4     config.h       errno.lo        gmp-h.in          macos          mp_clz_tab.o    mp_set_fns.c   randdef.o    randmts.c    rands.o
aclocal.m4       config.in      errno.o         gmp-impl.h        Makefile       mp_dv_tab.c     mp_set_fns.lo  randiset.c   randmts.lo   README
ansi2knr.1       config.log     extract-dbl.c   gmp-mparam.h      Makefile.am    mp_dv_tab.lo    mp_set_fns.o   randiset.lo  randmts.o    scanf
ansi2knr.c       config.m4      extract-dbl.lo  gmpxx.h           Makefile.in    mp_dv_tab.o     mpz            randiset.o   randmui.c    stamp-h1
assert.c         config.status  extract-dbl.o   INSTALL           memory.c       mpf             NEWS           randlc2s.c   randmui.lo   tal-debug.c
assert.lo        config.sub     fib_table.h     INSTALL.autoconf  memory.lo      mp_get_fns.c    printf         randlc2s.lo  randmui.o    tal-notreent.c
assert.o         configure      gen-bases       install-sh        memory.o       mp_get_fns.lo   randbui.c      randlc2s.o   rand.o       tal-reent.c
AUTHORS          configure.in   gen-bases.c     invalid.c         missing        mp_get_fns.o    randbui.lo     randlc2x.c   rands.c      tal-reent.lo
ChangeLog        COPYING        gen-fac_ui      invalid.lo        mp_bases.h     mp.h            randbui.o      randlc2x.lo  randsd.c     tal-reent.o
compat.c         COPYING.LIB    gen-fac_ui.c    invalid.o         mp_bpl.c       mp-h.in         rand.c         randlc2x.o   randsd.lo    tests
compat.lo        cxx            gen-fib         libgmp.la         mp_bpl.lo      mp_minv_tab.c   randclr.c      rand.lo      randsd.o     tune
compat.o         demos          gen-fib.c       libmp.sym         mp_bpl.o       mp_minv_tab.lo  randclr.lo     randmt.c     randsdui.c   version.c
configfsf.guess  doc            gen-psqr        libtool           mpbsd          mp_minv_tab.o   randclr.o      randmt.h     randsdui.lo  version.lo
configfsf.sub    dumbmp.c       gen-psqr.c      longlong.h        mp_clz_tab.c   mpn             randdef.c      randmt.lo    randsdui.o   version.o
config.guess     errno.c        gmp.h           ltmain.sh         mp_clz_tab.lo  mpq             randdef.lo     randmt.o     rands.lo
...
cd ecm-6.2.3
./configure --with gmp=/home/andreas/GMP/gmp-4.3.1

Code:
...
checking for malloc_usable_size... yes
checking gmp.h usability... no
checking gmp.h presence... no
checking for gmp.h... no
configure: error: required header file missing
huh??
you need to type:
sudo make install
before anything will be able to find it
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Old 2009-09-27, 15:53   #65
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Quote:
Originally Posted by henryzz View Post
you need to type:
sudo make install
before anything will be able to find it
you mean that I should "sudo make install" GMP, before compiling ECM?
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Old 2009-09-27, 17:02   #66
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A configuration with

./configure --with-gmp=/home/andreas/GMP/gmp-4.3.1

requires two directories /include and /lib which contain the header file and the library:

/home/andreas/GMP/gmp-4.3.1/include/gmp.h
/home/andreas/GMP/gmp-4.3.1/lib/libgmp.a

Last fiddled with by Yamato on 2009-09-27 at 17:06
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