Diff of the two buildlogs: -- --- b1/build.log 2024-10-31 00:01:20.522416014 +0000 +++ b2/build.log 2024-10-31 00:05:08.294298068 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Tue Dec 2 18:22:42 -12 2025 -I: pbuilder-time-stamp: 1764742962 +I: Current time: Thu Oct 31 14:01:23 +14 2024 +I: pbuilder-time-stamp: 1730332883 I: Building the build Environment I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz] I: copying local configuration @@ -25,52 +25,84 @@ dpkg-source: info: unpacking ocaml-multicore-bench_0.1.7-1.debian.tar.xz I: Not using root during the build. I: Installing the build-deps -I: user script /srv/workspace/pbuilder/2841734/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/1684838/tmp/hooks/D01_modify_environment starting +debug: Running on ionos1-amd64. +I: Changing host+domainname to test build reproducibility +I: Adding a custom variable just for the fun of it... +I: Changing /bin/sh to bash +'/bin/sh' -> '/bin/bash' +lrwxrwxrwx 1 root root 9 Oct 31 00:01 /bin/sh -> /bin/bash +I: Setting pbuilder2's login shell to /bin/bash +I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other +I: user script /srv/workspace/pbuilder/1684838/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/1684838/tmp/hooks/D02_print_environment starting I: set - BUILDDIR='/build/reproducible-path' - BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other' - BUILDUSERNAME='pbuilder1' - BUILD_ARCH='amd64' - DEBIAN_FRONTEND='noninteractive' - DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=42 ' - DISTRIBUTION='unstable' - HOME='/root' - HOST_ARCH='amd64' + BASH=/bin/sh + BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath + BASH_ALIASES=() + BASH_ARGC=() + BASH_ARGV=() + BASH_CMDS=() + BASH_LINENO=([0]="12" [1]="0") + BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:. + BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment") + BASH_VERSINFO=([0]="5" [1]="2" [2]="32" [3]="1" [4]="release" [5]="x86_64-pc-linux-gnu") + BASH_VERSION='5.2.32(1)-release' + BUILDDIR=/build/reproducible-path + BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other' + BUILDUSERNAME=pbuilder2 + BUILD_ARCH=amd64 + DEBIAN_FRONTEND=noninteractive + DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=20 ' + DIRSTACK=() + DISTRIBUTION=unstable + EUID=0 + FUNCNAME=([0]="Echo" [1]="main") + GROUPS=() + HOME=/root + HOSTNAME=i-capture-the-hostname + HOSTTYPE=x86_64 + HOST_ARCH=amd64 IFS=' ' - INVOCATION_ID='eb30f134bb95491f8cb35a82e25f4ffc' - LANG='C' - LANGUAGE='en_US:en' - LC_ALL='C' - MAIL='/var/mail/root' - OPTIND='1' - PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games' - PBCURRENTCOMMANDLINEOPERATION='build' - PBUILDER_OPERATION='build' - PBUILDER_PKGDATADIR='/usr/share/pbuilder' - PBUILDER_PKGLIBDIR='/usr/lib/pbuilder' - PBUILDER_SYSCONFDIR='/etc' - PPID='2841734' - PS1='# ' - PS2='> ' + INVOCATION_ID=2f9fc24383f1412081d33b2056dca7ed + LANG=C + LANGUAGE=et_EE:et + LC_ALL=C + MACHTYPE=x86_64-pc-linux-gnu + MAIL=/var/mail/root + OPTERR=1 + OPTIND=1 + OSTYPE=linux-gnu + PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path + PBCURRENTCOMMANDLINEOPERATION=build + PBUILDER_OPERATION=build + PBUILDER_PKGDATADIR=/usr/share/pbuilder + PBUILDER_PKGLIBDIR=/usr/lib/pbuilder + PBUILDER_SYSCONFDIR=/etc + PIPESTATUS=([0]="0") + POSIXLY_CORRECT=y + PPID=1684838 PS4='+ ' - PWD='/' - SHELL='/bin/bash' - SHLVL='2' - SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.rMymLKhy/pbuilderrc_Awwc --distribution unstable --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.rMymLKhy/b1 --logfile b1/build.log ocaml-multicore-bench_0.1.7-1.dsc' - SUDO_GID='110' - SUDO_UID='105' - SUDO_USER='jenkins' - TERM='unknown' - TZ='/usr/share/zoneinfo/Etc/GMT+12' - USER='root' - _='/usr/bin/systemd-run' - http_proxy='http://213.165.73.152:3128' + PWD=/ + SHELL=/bin/bash + SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix + SHLVL=3 + SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.rMymLKhy/pbuilderrc_SNsy --distribution unstable --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.rMymLKhy/b2 --logfile b2/build.log ocaml-multicore-bench_0.1.7-1.dsc' + SUDO_GID=110 + SUDO_UID=105 + SUDO_USER=jenkins + TERM=unknown + TZ=/usr/share/zoneinfo/Etc/GMT-14 + UID=0 + USER=root + _='I: set' + http_proxy=http://46.16.76.132:3128 I: uname -a - Linux ionos5-amd64 6.10.11+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.10.11-1~bpo12+1 (2024-10-03) x86_64 GNU/Linux + Linux i-capture-the-hostname 6.1.0-26-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.112-1 (2024-09-30) x86_64 GNU/Linux I: ls -l /bin - lrwxrwxrwx 1 root root 7 Aug 4 2024 /bin -> usr/bin -I: user script /srv/workspace/pbuilder/2841734/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 Aug 4 21:30 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/1684838/tmp/hooks/D02_print_environment finished -> Attempting to satisfy build-dependencies -> Creating pbuilder-satisfydepends-dummy package Package: pbuilder-satisfydepends-dummy @@ -326,7 +358,7 @@ Get: 105 http://deb.debian.org/debian unstable/main amd64 libmulticore-magic-ocaml amd64 2.3.0-2 [3956 B] Get: 106 http://deb.debian.org/debian unstable/main amd64 libmulticore-magic-ocaml-dev amd64 2.3.0-2 [131 kB] Get: 107 http://deb.debian.org/debian unstable/main amd64 ocaml-dune amd64 3.16.0-2+b1 [4786 kB] -Fetched 215 MB in 2s (91.2 MB/s) +Fetched 215 MB in 7s (32.0 MB/s) debconf: delaying package configuration, since apt-utils is not installed Selecting previously unselected package sensible-utils. (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 19969 files and directories currently installed.) @@ -769,7 +801,11 @@ Building tag database... -> Finished parsing the build-deps I: Building the package -I: Running cd /build/reproducible-path/ocaml-multicore-bench-0.1.7/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S > ../ocaml-multicore-bench_0.1.7-1_source.changes +I: user script /srv/workspace/pbuilder/1684838/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for unstable +I: user script /srv/workspace/pbuilder/1684838/tmp/hooks/A99_set_merged_usr finished +hostname: Name or service not known +I: Running cd /build/reproducible-path/ocaml-multicore-bench-0.1.7/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S > ../ocaml-multicore-bench_0.1.7-1_source.changes dpkg-buildpackage: info: source package ocaml-multicore-bench dpkg-buildpackage: info: source version 0.1.7-1 dpkg-buildpackage: info: source distribution unstable @@ -790,259 +826,259 @@ dh_ocamlinit -O--buildsystem=ocaml_dune dh_auto_configure -O--buildsystem=ocaml_dune dh_auto_build -O--buildsystem=ocaml_dune - dune build -j 42 -p multicore-bench + dune build -j 20 -p multicore-bench dh_auto_test -O--buildsystem=ocaml_dune - dune runtest -j 42 -p multicore-bench + dune runtest -j 20 -p multicore-bench (cd _build/default/bench && ./main.exe -brief) Atomic: ops over time/cas int: - 96.15 M/s + 55.35 M/s ops over time/get: - 457.67 M/s + 506.81 M/s ops over time/incr: - 110.97 M/s + 58.16 M/s ops over time/push & pop: - 53.21 M/s + 27.83 M/s ops over time/swap: - 65.78 M/s + 31.38 M/s ops over time/xchg int: - 84.88 M/s + 56.61 M/s time per op/cas int: - 10.40 ns + 18.07 ns time per op/get: - 2.18 ns + 1.97 ns time per op/incr: - 9.01 ns + 17.19 ns time per op/push & pop: - 18.79 ns + 35.93 ns time per op/swap: - 15.20 ns + 31.87 ns time per op/xchg int: - 11.78 ns + 17.66 ns Atomic incr: ops over time/CAS, 1 domains: - 80.28 M/s + 52.81 M/s ops over time/CAS, 2 domains: - 24.10 M/s + 11.92 M/s ops over time/CAS, 4 domains: - 13.25 M/s + 8.88 M/s ops over time/CAS, 8 domains: - 23.63 M/s + 8.17 M/s ops over time/CAS with backoff, 1 domains: - 81.44 M/s + 57.59 M/s ops over time/CAS with backoff, 2 domains: - 25.42 M/s + 28.29 M/s ops over time/CAS with backoff, 4 domains: - 60.62 M/s + 13.28 M/s ops over time/CAS with backoff, 8 domains: - 19.67 M/s + 7.55 M/s ops over time/Incr, 1 domains: - 109.29 M/s + 68.06 M/s ops over time/Incr, 2 domains: - 59.68 M/s + 22.12 M/s ops over time/Incr, 4 domains: - 63.04 M/s + 14.81 M/s ops over time/Incr, 8 domains: - 59.49 M/s + 12.92 M/s time per op/CAS, 1 domains: - 12.46 ns + 18.93 ns time per op/CAS, 2 domains: - 82.98 ns + 167.85 ns time per op/CAS, 4 domains: - 301.90 ns + 450.43 ns time per op/CAS, 8 domains: - 338.56 ns + 979.61 ns time per op/CAS with backoff, 1 domains: - 12.28 ns + 17.36 ns time per op/CAS with backoff, 2 domains: - 78.69 ns + 70.70 ns time per op/CAS with backoff, 4 domains: - 65.99 ns + 301.21 ns time per op/CAS with backoff, 8 domains: - 406.69 ns + 1059.97 ns time per op/Incr, 1 domains: - 9.15 ns + 14.69 ns time per op/Incr, 2 domains: - 33.51 ns + 90.42 ns time per op/Incr, 4 domains: - 63.45 ns + 270.12 ns time per op/Incr, 8 domains: - 134.48 ns + 619.05 ns Bounded_q: messages over time/1 adder, 1 taker: - 3.82 M/s + 2.26 M/s messages over time/1 adder, 2 takers: - 2.53 M/s + 2.08 M/s messages over time/1 adder, 4 takers: - 0.07 M/s + 0.80 M/s messages over time/2 adders, 1 taker: - 3.57 M/s + 2.75 M/s messages over time/2 adders, 2 takers: - 2.28 M/s + 1.81 M/s messages over time/2 adders, 4 takers: - 1.60 M/s + 1.72 M/s messages over time/4 adders, 1 taker: - 2.80 M/s + 2.66 M/s messages over time/4 adders, 2 takers: - 2.27 M/s + 1.67 M/s messages over time/4 adders, 4 takers: - 1.28 M/s + 0.97 M/s messages over time/one domain: - 11.26 M/s + 7.23 M/s time per message/1 adder, 1 taker: - 523.51 ns + 885.53 ns time per message/1 adder, 2 takers: - 1186.04 ns + 1444.90 ns time per message/1 adder, 4 takers: - 67392.18 ns + 6269.62 ns time per message/2 adders, 1 taker: - 841.37 ns + 1089.38 ns time per message/2 adders, 2 takers: - 1757.83 ns + 2208.47 ns time per message/2 adders, 4 takers: - 3750.33 ns + 3494.07 ns time per message/4 adders, 1 taker: - 1786.60 ns + 1880.08 ns time per message/4 adders, 2 takers: - 2639.33 ns + 3590.37 ns time per message/4 adders, 4 takers: - 6231.18 ns + 8264.72 ns time per message/one domain: - 88.77 ns + 138.28 ns Hashtbl: operations over time/1 worker, 10% reads: - 13.45 M/s + 9.90 M/s operations over time/1 worker, 50% reads: - 13.68 M/s + 9.62 M/s operations over time/1 worker, 90% reads: - 14.74 M/s + 10.61 M/s operations over time/2 workers, 10% reads: - 3.15 M/s + 2.18 M/s operations over time/2 workers, 50% reads: - 4.88 M/s + 4.03 M/s operations over time/2 workers, 90% reads: - 4.62 M/s + 2.55 M/s operations over time/4 workers, 10% reads: - 2.68 M/s + 2.10 M/s operations over time/4 workers, 50% reads: - 2.48 M/s + 1.49 M/s operations over time/4 workers, 90% reads: - 3.64 M/s + 2.22 M/s operations over time/8 workers, 10% reads: - 1.49 M/s + 0.98 M/s operations over time/8 workers, 50% reads: - 1.68 M/s + 0.96 M/s operations over time/8 workers, 90% reads: - 2.56 M/s + 1.25 M/s operations over time/one domain, 10% reads: - 21.53 M/s + 17.03 M/s operations over time/one domain, 50% reads: - 20.99 M/s + 16.74 M/s operations over time/one domain, 90% reads: - 24.47 M/s + 21.40 M/s time per operation/1 worker, 10% reads: - 74.33 ns + 101.02 ns time per operation/1 worker, 50% reads: - 73.10 ns + 103.93 ns time per operation/1 worker, 90% reads: - 67.83 ns + 94.29 ns time per operation/2 workers, 10% reads: - 635.53 ns + 918.39 ns time per operation/2 workers, 50% reads: - 410.16 ns + 496.00 ns time per operation/2 workers, 90% reads: - 432.77 ns + 784.57 ns time per operation/4 workers, 10% reads: - 1493.41 ns + 1902.05 ns time per operation/4 workers, 50% reads: - 1615.10 ns + 2680.06 ns time per operation/4 workers, 90% reads: - 1099.10 ns + 1799.39 ns time per operation/8 workers, 10% reads: - 5361.22 ns + 8128.21 ns time per operation/8 workers, 50% reads: - 4770.99 ns + 8308.07 ns time per operation/8 workers, 90% reads: - 3124.44 ns + 6419.27 ns time per operation/one domain, 10% reads: - 46.45 ns + 58.73 ns time per operation/one domain, 50% reads: - 47.63 ns + 59.74 ns time per operation/one domain, 90% reads: - 40.86 ns + 46.74 ns Queue: messages over time/one domain: - 33.74 M/s + 27.61 M/s time per message/one domain: - 29.64 ns + 36.22 ns Ref with Mutex: ops over time/cas int: - 29.22 M/s + 19.08 M/s ops over time/get: - 31.38 M/s + 21.15 M/s ops over time/incr: - 31.04 M/s + 20.46 M/s ops over time/push & pop: - 24.70 M/s + 15.91 M/s ops over time/swap: - 26.78 M/s + 18.03 M/s ops over time/xchg int: - 29.16 M/s + 19.45 M/s time per op/cas int: - 34.22 ns + 52.42 ns time per op/get: - 31.87 ns + 47.28 ns time per op/incr: - 32.21 ns + 48.87 ns time per op/push & pop: - 40.49 ns + 62.86 ns time per op/swap: - 37.35 ns + 55.45 ns time per op/xchg int: - 34.30 ns + 51.41 ns Ref with [@poll error]: ops over time/cas int: - 153.38 M/s + 125.66 M/s ops over time/get: - 525.12 M/s + 513.89 M/s ops over time/incr: - 361.51 M/s + 380.93 M/s ops over time/push & pop: - 65.83 M/s + 40.97 M/s ops over time/swap: - 104.79 M/s + 73.23 M/s ops over time/xchg int: - 174.99 M/s + 134.94 M/s time per op/cas int: - 6.52 ns + 7.96 ns time per op/get: - 1.90 ns + 1.95 ns time per op/incr: - 2.77 ns + 2.63 ns time per op/push & pop: - 15.19 ns + 24.41 ns time per op/swap: - 9.54 ns + 13.66 ns time per op/xchg int: - 5.71 ns + 7.41 ns Stack: messages over time/one domain: - 39.76 M/s + 33.06 M/s time per message/one domain: - 25.15 ns + 30.25 ns Unix: blocking reads over time/1 worker: - 1.17 M/s + 1.16 M/s blocking reads over time/2 workers: - 2.33 M/s + 2.26 M/s blocking reads over time/4 workers: - 4.68 M/s + 4.42 M/s time per blocking read/1 worker: - 856.32 ns + 859.75 ns time per blocking read/2 workers: - 859.76 ns + 885.56 ns time per blocking read/4 workers: - 854.72 ns + 905.37 ns create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=ocaml_dune dh_prep -O--buildsystem=ocaml_dune @@ -1070,8 +1106,8 @@ dpkg-gencontrol: warning: Depends field of package libmulticore-bench-ocaml-dev: substitution variable ${shlibs:Depends} used, but is not defined dh_md5sums -O--buildsystem=ocaml_dune dh_builddeb -O--buildsystem=ocaml_dune -dpkg-deb: building package 'libmulticore-bench-ocaml-dev' in '../libmulticore-bench-ocaml-dev_0.1.7-1_amd64.deb'. dpkg-deb: building package 'libmulticore-bench-ocaml-dev-dbgsym' in '../libmulticore-bench-ocaml-dev-dbgsym_0.1.7-1_amd64.deb'. +dpkg-deb: building package 'libmulticore-bench-ocaml-dev' in '../libmulticore-bench-ocaml-dev_0.1.7-1_amd64.deb'. dpkg-genbuildinfo --build=binary -O../ocaml-multicore-bench_0.1.7-1_amd64.buildinfo dpkg-genchanges --build=binary -O../ocaml-multicore-bench_0.1.7-1_amd64.changes dpkg-genchanges: info: binary-only upload (no source code included) @@ -1079,12 +1115,14 @@ dpkg-buildpackage: info: binary-only upload (no source included) dpkg-genchanges: info: including full source code in upload I: copying local configuration +I: user script /srv/workspace/pbuilder/1684838/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/1684838/tmp/hooks/B01_cleanup finished I: unmounting dev/ptmx filesystem I: unmounting dev/pts filesystem I: unmounting dev/shm filesystem I: unmounting proc filesystem I: unmounting sys filesystem I: cleaning the build env -I: removing directory /srv/workspace/pbuilder/2841734 and its subdirectories -I: Current time: Tue Dec 2 18:24:19 -12 2025 -I: pbuilder-time-stamp: 1764743059 +I: removing directory /srv/workspace/pbuilder/1684838 and its subdirectories +I: Current time: Thu Oct 31 14:05:05 +14 2024 +I: pbuilder-time-stamp: 1730333105