# PHP 5.3 the slowest PHP of all times ?!? - Thread: https://externals.io/message/36706 - Original archive: https://news-web.php.net/php.internals/36706 - Started by Stefan Esser on 2008-03-31T09:37:30+00:00 - Messages: 8 - Reply by email to internals@lists.php.net - More for agents: search with https://externals.io/search.md?q={query} · JSON API at https://externals.io/api · documentation at https://externals.io/llms.txt --- ## #36706 — Stefan Esser — 2008-03-31T09:37:30+00:00 URL: https://externals.io/message/36706#36706 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Good morning, I just want to bring attention to the fact that while benchmarks show that PHP 5.3 is faster than PHP 5.2 on linux systems on MacOS/X the opposite is shown. Actually just executing bench.php from the PHP distribution shows that PHP 5.3 is about half the speed of PHP 5.2.5 How can that happen? Greets, Stefan -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkfwsNoACgkQSuF5XhWr2ng9egCgosYoQWLoXp4gpGLJSAz79uY7 ktkAoJdZ9Iq8DiDtqyGnQNseelAm/fyb =UEbw -----END PGP SIGNATURE --- ## #36709 — Marcus Boerger — 2008-03-31T15:07:23+00:00 URL: https://externals.io/message/36706#36709 · In reply to: #36706 Hello Stefan, did we change from non ZTS to ZTS builds on MacOS? ZTS builds do a bunch of additional copying of tables. marcus Monday, March 31, 2008, 11:37:30 AM, you wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > Good morning, > I just want to bring attention to the fact that while benchmarks show > that PHP 5.3 is faster than PHP 5.2 on linux systems on MacOS/X the > opposite is shown. > Actually just executing bench.php from the PHP distribution shows that > PHP 5.3 is about half the speed of PHP 5.2.5 > How can that happen? > Greets, > Stefan > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.8 (Darwin) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > iEYEARECAAYFAkfwsNoACgkQSuF5XhWr2ng9egCgosYoQWLoXp4gpGLJSAz79uY7 > ktkAoJdZ9Iq8DiDtqyGnQNseelAm/fyb > =UEbw > -----END PGP SIGNATURE----- Best regards, Marcus --- ## #36713 — Stefan Esser — 2008-03-31T15:15:30+00:00 URL: https://externals.io/message/36706#36713 · In reply to: #36709 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Marcus, > did we change from non ZTS to ZTS builds on MacOS? ZTS builds do a bunch > of additional copying of tables. Nope. Thread Safety is disabled. I did my comparision with PHP 5.2.5 and PHP 5.3-Snapshot. Both versions were compiled with a simple ./configure without any additional parameter. bench.php was executed with the CLI SAPI. Here are the tables for PHP 5.2.5 simple 0.328 simplecall 0.405 simpleucall 0.660 simpleudcall 0.767 mandel 0.993 mandel2 1.253 ackermann(7) 0.993 ary(50000) 0.050 ary2(50000) 0.048 ary3(2000) 0.498 fibo(30) 2.229 hash1(50000) 0.089 hash2(500) 0.091 heapsort(20000) 0.281 matrix(20) 0.237 nestedloop(12) 0.535 sieve(30) 0.222 strcat(200000) 0.040 - ------------------------ Total 9.719 And here for PHP 5.3 simple 0.535 simplecall 0.799 simpleucall 1.322 simpleudcall 1.320 mandel 1.691 mandel2 2.170 ackermann(7) 1.299 ary(50000) 0.101 ary2(50000) 0.094 ary3(2000) 0.986 fibo(30) 3.282 hash1(50000) 0.225 hash2(500) 0.195 heapsort(20000) 0.499 matrix(20) 0.458 nestedloop(12) 0.948 sieve(30) 0.469 strcat(200000) 0.077 - ------------------------ Total 16.469 regards, Stefan -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (Darwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkfxABIACgkQSuF5XhWr2niu0QCbBhCZWBW8nPX5G48YxNgM6qr2 8CQAn0SeMMKFjV1Hy/uKT4NSCMU5Lj/9 =lZtJ -----END PGP SIGNATURE --- ## #36718 — Alexey Zakhlestin — 2008-03-31T15:25:05+00:00 URL: https://externals.io/message/36706#36718 · In reply to: #36713 I use debug/zts builds. my results are here: PHP-5.3 simple 0.519 simplecall 1.441 simpleucall 2.378 simpleudcall 2.400 mandel 1.953 mandel2 2.814 ackermann(7) 2.671 ary(50000) 0.165 ary2(50000) 0.151 ary3(2000) 1.097 fibo(30) 5.745 hash1(50000) 0.265 hash2(500) 0.257 heapsort(20000) 0.629 matrix(20) 0.537 nestedloop(12) 0.978 sieve(30) 0.629 strcat(200000) 0.113 ------------------------ Total 24.743 PHP-5.2.5 simple 0.587 simplecall 1.464 simpleucall 2.681 simpleudcall 3.060 mandel 2.265 mandel2 2.896 ackermann(7) 3.421 ary(50000) 0.164 ary2(50000) 0.143 ary3(2000) 1.186 fibo(30) 9.752 hash1(50000) 0.281 hash2(500) 0.273 heapsort(20000) 0.722 matrix(20) 0.520 nestedloop(12) 1.020 sieve(30) 0.649 strcat(200000) 0.116 ------------------------ Total 31.200 On Mon, Mar 31, 2008 at 7:15 PM, Stefan Esser wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi Marcus, > > > > […] > > Nope. Thread Safety is disabled. > > I did my comparision with PHP 5.2.5 and PHP 5.3-Snapshot. > Both versions were compiled with a simple ./configure without any > additional parameter. bench.php was executed with the CLI SAPI. > > Here are the tables for PHP 5.2.5 > > simple 0.328 > simplecall 0.405 > simpleucall 0.660 > simpleudcall 0.767 > mandel 0.993 > mandel2 1.253 > ackermann(7) 0.993 > ary(50000) 0.050 > ary2(50000) 0.048 > ary3(2000) 0.498 > fibo(30) 2.229 > hash1(50000) 0.089 > hash2(500) 0.091 > heapsort(20000) 0.281 > matrix(20) 0.237 > nestedloop(12) 0.535 > sieve(30) 0.222 > strcat(200000) 0.040 > - ------------------------ > Total 9.719 > > > And here for PHP 5.3 > > simple 0.535 > simplecall 0.799 > simpleucall 1.322 > simpleudcall 1.320 > mandel 1.691 > mandel2 2.170 > ackermann(7) 1.299 > ary(50000) 0.101 > ary2(50000) 0.094 > ary3(2000) 0.986 > fibo(30) 3.282 > hash1(50000) 0.225 > hash2(500) 0.195 > heapsort(20000) 0.499 > matrix(20) 0.458 > nestedloop(12) 0.948 > sieve(30) 0.469 > strcat(200000) 0.077 > - ------------------------ > Total 16.469 > > regards, > > Stefan > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.8 (Darwin) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iEYEARECAAYFAkfxABIACgkQSuF5XhWr2niu0QCbBhCZWBW8nPX5G48YxNgM6qr2 > 8CQAn0SeMMKFjV1Hy/uKT4NSCMU5Lj/9 > =lZtJ > -----END PGP SIGNATURE----- > > > > -- > > > > -- Alexey Zakhlestin http://blog.milkfarmsoft.com/ --- ## #36726 — Benjamin Schulz — 2008-03-31T20:26:53+00:00 URL: https://externals.io/message/36706#36726 · In reply to: #36706 Hi, > I just want to bring attention to the fact that while benchmarks show > that PHP 5.3 is faster than PHP 5.2 on linux systems on MacOS/X the > opposite is shown. > > Actually just executing bench.php from the PHP distribution shows that > PHP 5.3 is about half the speed of PHP 5.2.5 > > How can that happen? This commit is responsible for the bad performance: http://cvs.php.net/viewvc.cgi/php-src/configure.in?r1=1.579.2.52.2.77.2.11&r2=1.579.2.52.2.77.2.12&diff_format=u --- ## #36727 — Gwynne Raskind — 2008-03-31T20:34:58+00:00 URL: https://externals.io/message/36706#36727 · In reply to: #36726 > Hi, > > > > […] > > This commit is responsible for the bad performance: > http://cvs.php.net/viewvc.cgi/php-src/configure.in?r1=1.579.2.52.2.77.2.11&r2=1.579.2.52.2.77.2.12&diff_format=u -gstabs versus -g should have no effect on production performance. -- Gwynne, Daughter of the Code "This whole world is an asylum for the incurable." --- ## #36732 — Benjamin Schulz — 2008-03-31T21:41:16+00:00 URL: https://externals.io/message/36706#36732 · In reply to: #36727 Hi > > […] > > > -gstabs versus -g should have no effect on production performance. Ok, maybe i made a mistake, that's what i compared: bench.php with cvs update -r PHP_5_3 -D "2008-03-09 14:26 GMT": Total 6.883 cvs update -D "2008-03-09 14:28 GMT": Total 13.961 cvs diff -D "2008-03-09 14:26 GMT" -D "2008-03-09 14:28 GMT" ? pear/scripts cvs diff: Diffing . Index: configure.in =================================================================== RCS file: /repository/php-src/configure.in,v retrieving revision 1.647 retrieving revision 1.648 diff -r1.647 -r1.648 1c1 < ## $Id: configure.in,v 1.647 2008/02/17 20:49:46 helly Exp $ -*- autoconf -*- --- > ## $Id: configure.in,v 1.648 2008/03/09 14:27:15 gwynne Exp $ -*- autoconf -*- 124a125,139 > dnl Darwin 9 hack > dnl Because the default debugging format used by Apple's GCC on Mac OS 10.5 > dnl causes errors in all current and past versions of Autoconf, we do a little > dnl messing with the CFLAGS here to trick it. > php_did_darwin9_cheat=0 > case $host_alias in > *darwin9*) > echo $CFLAGS | grep -E '(^-g)|([[:space:]]-g)' 2>/dev/null >/dev/ null > if test "$?" -ne 0; then > php_did_darwin9_cheat=1 > CFLAGS="$CFLAGS -gstabs" > fi > ;; > esac > 170c185,192 < GCC_MAJOR_VERSION=`$CC --version | $SED -n '1s/[[^0-9]]*\([[0-9]]\+ \)\.[[0-9]]\+\..*/\1/;1p'` --- > case $host_alias in > *darwin*) > GCC_MAJOR_VERSION=`$CC -dumpversion | $SED -nE '1s/([[0-9]]+)\. [[0-9]]+\..*/\1/;1p'` > ;; > *) > GCC_MAJOR_VERSION=`$CC --version | $SED -n '1s/[[^0-9]]*\ ([[0-9]]\+\)\.[[0-9]]\+\..*/\1/;1p'` > ;; > esac 717a740,743 > dnl Finish the Darwin hack > if test "$php_did_darwin9_cheat" -eq 1; then > CFLAGS=`echo "$CFLAGS" | $SED -e 's/-gstabs//g'` > fi --- ## #36738 — Gwynne Raskind — 2008-03-31T23:28:36+00:00 URL: https://externals.io/message/36706#36738 · In reply to: #36732 > > […] > > Ok, maybe i made a mistake, that's what i compared: Upon investigation I've discovered the problem to be this: When the Darwin hack takes effect, the overwrite of CFLAGS removes the default - O2, thus the slowdown. I'll commit a fix shortly, with apologies for the oversight. -- Gwynne, Daughter of the Code "This whole world is an asylum for the incurable."