Diff of the two buildlogs: -- --- b1/build.log 2024-11-08 08:00:31.895140120 +0000 +++ b2/build.log 2024-11-08 08:04:35.382480453 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Thu Dec 11 02:22:30 -12 2025 -I: pbuilder-time-stamp: 1765462950 +I: Current time: Fri Nov 8 22:00:35 +14 2024 +I: pbuilder-time-stamp: 1731052835 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/436709/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/269645/tmp/hooks/D01_modify_environment starting +debug: Running on codethink02-arm64. +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 Nov 8 08:00 /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/269645/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/269645/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='arm64' - DEBIAN_FRONTEND='noninteractive' + 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]="aarch64-unknown-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=arm64 + DEBIAN_FRONTEND=noninteractive DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 ' - DISTRIBUTION='unstable' - HOME='/root' - HOST_ARCH='arm64' + DIRSTACK=() + DISTRIBUTION=unstable + EUID=0 + FUNCNAME=([0]="Echo" [1]="main") + GROUPS=() + HOME=/root + HOSTNAME=i-capture-the-hostname + HOSTTYPE=aarch64 + HOST_ARCH=arm64 IFS=' ' - INVOCATION_ID='ee21ae7fb80b4971bd10ab9b314e6c35' - 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='436709' - PS1='# ' - PS2='> ' + INVOCATION_ID=3a0fae2f29c84761adb2598edc5a1fed + LANG=C + LANGUAGE=nl_BE:nl + LC_ALL=C + MACHTYPE=aarch64-unknown-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=269645 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.1aBeBzhK/pbuilderrc_DnXf --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.1aBeBzhK/b1 --logfile b1/build.log ocaml-multicore-bench_0.1.7-1.dsc' - SUDO_GID='109' - SUDO_UID='104' - SUDO_USER='jenkins' - TERM='unknown' - TZ='/usr/share/zoneinfo/Etc/GMT+12' - USER='root' - _='/usr/bin/systemd-run' - http_proxy='http://192.168.101.4:3128' + 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.1aBeBzhK/pbuilderrc_nha0 --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.1aBeBzhK/b2 --logfile b2/build.log ocaml-multicore-bench_0.1.7-1.dsc' + SUDO_GID=109 + SUDO_UID=104 + SUDO_USER=jenkins + TERM=unknown + TZ=/usr/share/zoneinfo/Etc/GMT-14 + UID=0 + USER=root + _='I: set' + http_proxy=http://192.168.101.4:3128 I: uname -a - Linux codethink03-arm64 6.1.0-26-cloud-arm64 #1 SMP Debian 6.1.112-1 (2024-09-30) aarch64 GNU/Linux + Linux i-capture-the-hostname 6.1.0-26-cloud-arm64 #1 SMP Debian 6.1.112-1 (2024-09-30) aarch64 GNU/Linux I: ls -l /bin - lrwxrwxrwx 1 root root 7 Aug 4 2024 /bin -> usr/bin -I: user script /srv/workspace/pbuilder/436709/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 Aug 4 21:30 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/269645/tmp/hooks/D02_print_environment finished -> Attempting to satisfy build-dependencies -> Creating pbuilder-satisfydepends-dummy package Package: pbuilder-satisfydepends-dummy @@ -231,7 +263,7 @@ Get: 105 http://deb.debian.org/debian unstable/main arm64 libmulticore-magic-ocaml arm64 2.3.0-2 [4120 B] Get: 106 http://deb.debian.org/debian unstable/main arm64 libmulticore-magic-ocaml-dev arm64 2.3.0-2 [132 kB] Get: 107 http://deb.debian.org/debian unstable/main arm64 ocaml-dune arm64 3.16.0-2+b1 [5534 kB] -Fetched 221 MB in 1s (209 MB/s) +Fetched 221 MB in 5s (47.7 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 ... 20089 files and directories currently installed.) @@ -674,7 +706,11 @@ 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/269645/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for unstable +I: user script /srv/workspace/pbuilder/269645/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 @@ -701,253 +737,253 @@ (cd _build/default/bench && ./main.exe -brief) Atomic: ops over time/cas int: - 88.56 M/s + 28.24 M/s ops over time/get: - 842.23 M/s + 358.88 M/s ops over time/incr: - 94.82 M/s + 37.62 M/s ops over time/push & pop: - 39.34 M/s + 3.84 M/s ops over time/swap: - 50.37 M/s + 4.61 M/s ops over time/xchg int: - 81.31 M/s + 35.07 M/s time per op/cas int: - 11.29 ns + 35.41 ns time per op/get: - 1.19 ns + 2.79 ns time per op/incr: - 10.55 ns + 26.58 ns time per op/push & pop: - 25.42 ns + 260.30 ns time per op/swap: - 19.85 ns + 216.78 ns time per op/xchg int: - 12.30 ns + 28.51 ns Atomic incr: ops over time/CAS, 1 domains: - 75.03 M/s + 33.84 M/s ops over time/CAS, 2 domains: - 24.72 M/s + 20.75 M/s ops over time/CAS, 4 domains: - 14.77 M/s + 11.11 M/s ops over time/CAS, 8 domains: - 7.69 M/s + 7.03 M/s ops over time/CAS with backoff, 1 domains: - 72.43 M/s + 33.44 M/s ops over time/CAS with backoff, 2 domains: - 66.15 M/s + 43.44 M/s ops over time/CAS with backoff, 4 domains: - 54.27 M/s + 19.37 M/s ops over time/CAS with backoff, 8 domains: - 45.96 M/s + 10.02 M/s ops over time/Incr, 1 domains: - 79.69 M/s + 38.43 M/s ops over time/Incr, 2 domains: - 34.72 M/s + 27.03 M/s ops over time/Incr, 4 domains: - 31.86 M/s + 15.69 M/s ops over time/Incr, 8 domains: - 25.24 M/s + 6.72 M/s time per op/CAS, 1 domains: - 13.33 ns + 29.55 ns time per op/CAS, 2 domains: - 80.91 ns + 96.40 ns time per op/CAS, 4 domains: - 270.77 ns + 360.16 ns time per op/CAS, 8 domains: - 1040.05 ns + 1137.68 ns time per op/CAS with backoff, 1 domains: - 13.81 ns + 29.90 ns time per op/CAS with backoff, 2 domains: - 30.23 ns + 46.04 ns time per op/CAS with backoff, 4 domains: - 73.71 ns + 206.45 ns time per op/CAS with backoff, 8 domains: - 174.06 ns + 798.37 ns time per op/Incr, 1 domains: - 12.55 ns + 26.02 ns time per op/Incr, 2 domains: - 57.60 ns + 74.00 ns time per op/Incr, 4 domains: - 125.54 ns + 254.99 ns time per op/Incr, 8 domains: - 316.99 ns + 1190.77 ns Bounded_q: messages over time/1 adder, 1 taker: - 1.32 M/s + 10.60 M/s messages over time/1 adder, 2 takers: - 2.48 M/s + 5.11 M/s messages over time/1 adder, 4 takers: - 0.25 M/s + 4.35 M/s messages over time/2 adders, 1 taker: - 3.42 M/s + 5.93 M/s messages over time/2 adders, 2 takers: - 2.05 M/s + 6.68 M/s messages over time/2 adders, 4 takers: - 1.38 M/s + 4.09 M/s messages over time/4 adders, 1 taker: - 2.05 M/s + 4.37 M/s messages over time/4 adders, 2 takers: - 1.60 M/s + 5.22 M/s messages over time/4 adders, 4 takers: - 1.20 M/s + 5.42 M/s messages over time/one domain: - 8.28 M/s + 1.08 M/s time per message/1 adder, 1 taker: - 1510.68 ns + 188.72 ns time per message/1 adder, 2 takers: - 1211.27 ns + 586.82 ns time per message/1 adder, 4 takers: - 20065.53 ns + 1149.75 ns time per message/2 adders, 1 taker: - 876.72 ns + 506.30 ns time per message/2 adders, 2 takers: - 1948.81 ns + 599.17 ns time per message/2 adders, 4 takers: - 4343.84 ns + 1466.12 ns time per message/4 adders, 1 taker: - 2440.27 ns + 1143.95 ns time per message/4 adders, 2 takers: - 3750.22 ns + 1149.57 ns time per message/4 adders, 4 takers: - 6669.96 ns + 1475.50 ns time per message/one domain: - 120.81 ns + 926.39 ns Hashtbl: operations over time/1 worker, 10% reads: - 13.20 M/s + 5.21 M/s operations over time/1 worker, 50% reads: - 14.12 M/s + 4.84 M/s operations over time/1 worker, 90% reads: - 17.08 M/s + 4.37 M/s operations over time/2 workers, 10% reads: - 2.75 M/s + 6.00 M/s operations over time/2 workers, 50% reads: - 2.93 M/s + 4.77 M/s operations over time/2 workers, 90% reads: - 4.23 M/s + 4.79 M/s operations over time/4 workers, 10% reads: - 2.73 M/s + 3.90 M/s operations over time/4 workers, 50% reads: - 3.10 M/s + 4.88 M/s operations over time/4 workers, 90% reads: - 4.04 M/s + 7.62 M/s operations over time/8 workers, 10% reads: - 2.01 M/s + 3.84 M/s operations over time/8 workers, 50% reads: - 2.66 M/s + 6.60 M/s operations over time/8 workers, 90% reads: - 2.99 M/s + 8.25 M/s operations over time/one domain, 10% reads: - 23.19 M/s + 3.73 M/s operations over time/one domain, 50% reads: - 25.84 M/s + 4.85 M/s operations over time/one domain, 90% reads: - 38.14 M/s + 10.45 M/s time per operation/1 worker, 10% reads: - 75.75 ns + 191.99 ns time per operation/1 worker, 50% reads: - 70.82 ns + 206.71 ns time per operation/1 worker, 90% reads: - 58.56 ns + 228.64 ns time per operation/2 workers, 10% reads: - 727.58 ns + 333.28 ns time per operation/2 workers, 50% reads: - 681.84 ns + 419.11 ns time per operation/2 workers, 90% reads: - 472.82 ns + 417.57 ns time per operation/4 workers, 10% reads: - 1464.38 ns + 1025.21 ns time per operation/4 workers, 50% reads: - 1289.28 ns + 819.82 ns time per operation/4 workers, 90% reads: - 989.37 ns + 524.78 ns time per operation/8 workers, 10% reads: - 3975.50 ns + 2082.74 ns time per operation/8 workers, 50% reads: - 3011.11 ns + 1212.84 ns time per operation/8 workers, 90% reads: - 2673.63 ns + 969.96 ns time per operation/one domain, 10% reads: - 43.12 ns + 268.32 ns time per operation/one domain, 50% reads: - 38.70 ns + 206.18 ns time per operation/one domain, 90% reads: - 26.22 ns + 95.67 ns Queue: messages over time/one domain: - 24.21 M/s + 24.67 M/s time per message/one domain: - 41.30 ns + 40.53 ns Ref with Mutex: ops over time/cas int: - 25.95 M/s + 7.41 M/s ops over time/get: - 30.96 M/s + 6.92 M/s ops over time/incr: - 29.53 M/s + 7.67 M/s ops over time/push & pop: - 18.94 M/s + 2.74 M/s ops over time/swap: - 14.16 M/s + 3.06 M/s ops over time/xchg int: - 25.93 M/s + 7.41 M/s time per op/cas int: - 38.53 ns + 134.99 ns time per op/get: - 32.30 ns + 144.57 ns time per op/incr: - 33.87 ns + 130.33 ns time per op/push & pop: - 52.80 ns + 364.73 ns time per op/swap: - 70.61 ns + 326.36 ns time per op/xchg int: - 38.57 ns + 134.89 ns Ref with [@poll error]: ops over time/cas int: - 88.84 M/s + 36.38 M/s ops over time/get: - 514.05 M/s + 359.66 M/s ops over time/incr: - 164.72 M/s + 178.54 M/s ops over time/push & pop: - 52.93 M/s + 3.57 M/s ops over time/swap: - 68.74 M/s + 5.42 M/s ops over time/xchg int: - 55.30 M/s + 36.65 M/s time per op/cas int: - 11.26 ns + 27.49 ns time per op/get: - 1.95 ns + 2.78 ns time per op/incr: - 6.07 ns + 5.60 ns time per op/push & pop: - 18.89 ns + 280.23 ns time per op/swap: - 14.55 ns + 184.56 ns time per op/xchg int: - 18.08 ns + 27.29 ns Stack: messages over time/one domain: - 31.71 M/s + 32.02 M/s time per message/one domain: - 31.54 ns + 31.23 ns Unix: blocking reads over time/1 worker: - 2.81 M/s + 0.86 M/s blocking reads over time/2 workers: - 5.60 M/s + 1.78 M/s blocking reads over time/4 workers: - 7.98 M/s + 2.60 M/s time per blocking read/1 worker: - 356.02 ns + 1168.13 ns time per blocking read/2 workers: - 356.97 ns + 1123.44 ns time per blocking read/4 workers: - 501.02 ns + 1536.10 ns create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=ocaml_dune dh_prep -O--buildsystem=ocaml_dune @@ -984,12 +1020,14 @@ 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/269645/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/269645/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/436709 and its subdirectories -I: Current time: Thu Dec 11 02:23:29 -12 2025 -I: pbuilder-time-stamp: 1765463009 +I: removing directory /srv/workspace/pbuilder/269645 and its subdirectories +I: Current time: Fri Nov 8 22:04:34 +14 2024 +I: pbuilder-time-stamp: 1731053074