Diff of the two buildlogs: -- --- b1/build.log 2025-01-25 11:29:49.279715237 +0000 +++ b2/build.log 2025-01-25 11:30:49.728990064 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Fri Jan 24 23:27:52 -12 2025 -I: pbuilder-time-stamp: 1737804472 +I: Current time: Sat Feb 28 07:52:52 +14 2026 +I: pbuilder-time-stamp: 1772214772 I: Building the build Environment I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz] I: copying local configuration @@ -22,52 +22,84 @@ 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/3830046/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/2193357/tmp/hooks/D01_modify_environment starting +debug: Running on codethink03-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 Feb 27 17:52 /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/2193357/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/2193357/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]="37" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu") + BASH_VERSION='5.2.37(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='trixie' - HOME='/root' - HOST_ARCH='arm64' + DIRSTACK=() + DISTRIBUTION=trixie + EUID=0 + FUNCNAME=([0]="Echo" [1]="main") + GROUPS=() + HOME=/root + HOSTNAME=i-capture-the-hostname + HOSTTYPE=aarch64 + HOST_ARCH=arm64 IFS=' ' - INVOCATION_ID='0915376e55794a6f85bbad34c09dd134' - 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='3830046' - PS1='# ' - PS2='> ' + INVOCATION_ID=66cbebdb35014198a729fa666c6cd178 + 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=2193357 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.b8vPemQI/pbuilderrc_QFqZ --distribution trixie --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.b8vPemQI/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.b8vPemQI/pbuilderrc_u896 --distribution trixie --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.b8vPemQI/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 codethink04-arm64 6.1.0-30-cloud-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux + Linux i-capture-the-hostname 6.1.0-30-cloud-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux I: ls -l /bin - lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin -I: user script /srv/workspace/pbuilder/3830046/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 Nov 22 2024 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/2193357/tmp/hooks/D02_print_environment finished -> Attempting to satisfy build-dependencies -> Creating pbuilder-satisfydepends-dummy package Package: pbuilder-satisfydepends-dummy @@ -229,7 +261,7 @@ Get: 106 http://deb.debian.org/debian trixie/main arm64 libmulticore-magic-ocaml arm64 2.3.0-2+b1 [4408 B] Get: 107 http://deb.debian.org/debian trixie/main arm64 libmulticore-magic-ocaml-dev arm64 2.3.0-2+b1 [132 kB] Get: 108 http://deb.debian.org/debian trixie/main arm64 ocaml-dune arm64 3.17.1-2 [5578 kB] -Fetched 223 MB in 5s (48.2 MB/s) +Fetched 223 MB in 1s (302 MB/s) Preconfiguring packages ... 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 ... 19970 files and directories currently installed.) @@ -676,7 +708,11 @@ 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/2193357/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for trixie +I: user script /srv/workspace/pbuilder/2193357/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 @@ -703,253 +739,253 @@ (cd _build/default/bench && ./main.exe -brief) Atomic: ops over time/cas int: - 86.52 M/s + 86.98 M/s ops over time/get: - 505.19 M/s + 854.09 M/s ops over time/incr: - 53.38 M/s + 93.64 M/s ops over time/push & pop: - 6.57 M/s + 44.06 M/s ops over time/swap: - 10.39 M/s + 51.03 M/s ops over time/xchg int: - 54.58 M/s + 81.54 M/s time per op/cas int: - 11.56 ns + 11.50 ns time per op/get: - 1.98 ns + 1.17 ns time per op/incr: - 18.73 ns + 10.68 ns time per op/push & pop: - 152.24 ns + 22.70 ns time per op/swap: - 96.25 ns + 19.60 ns time per op/xchg int: - 18.32 ns + 12.26 ns Atomic incr: ops over time/CAS, 1 domains: - 74.04 M/s + 74.44 M/s ops over time/CAS, 2 domains: - 27.55 M/s + 26.15 M/s ops over time/CAS, 4 domains: - 17.14 M/s + 15.95 M/s ops over time/CAS, 8 domains: - 20.92 M/s + 9.54 M/s ops over time/CAS with backoff, 1 domains: - 71.74 M/s + 72.06 M/s ops over time/CAS with backoff, 2 domains: - 68.11 M/s + 63.29 M/s ops over time/CAS with backoff, 4 domains: - 31.92 M/s + 48.97 M/s ops over time/CAS with backoff, 8 domains: - 14.70 M/s + 21.97 M/s ops over time/Incr, 1 domains: - 101.48 M/s + 67.95 M/s ops over time/Incr, 2 domains: - 36.00 M/s + 38.17 M/s ops over time/Incr, 4 domains: - 59.73 M/s + 27.18 M/s ops over time/Incr, 8 domains: - 11.65 M/s + 20.96 M/s time per op/CAS, 1 domains: - 13.51 ns + 13.43 ns time per op/CAS, 2 domains: - 72.59 ns + 76.48 ns time per op/CAS, 4 domains: - 233.43 ns + 250.77 ns time per op/CAS, 8 domains: - 382.36 ns + 838.36 ns time per op/CAS with backoff, 1 domains: - 13.94 ns + 13.88 ns time per op/CAS with backoff, 2 domains: - 29.37 ns + 31.60 ns time per op/CAS with backoff, 4 domains: - 125.30 ns + 81.68 ns time per op/CAS with backoff, 8 domains: - 544.19 ns + 364.15 ns time per op/Incr, 1 domains: - 9.85 ns + 14.72 ns time per op/Incr, 2 domains: - 55.56 ns + 52.40 ns time per op/Incr, 4 domains: - 66.97 ns + 147.18 ns time per op/Incr, 8 domains: - 686.55 ns + 381.62 ns Bounded_q: messages over time/1 adder, 1 taker: - 9.31 M/s + 1.45 M/s messages over time/1 adder, 2 takers: - 5.13 M/s + 2.47 M/s messages over time/1 adder, 4 takers: - 3.40 M/s + 0.21 M/s messages over time/2 adders, 1 taker: - 8.57 M/s + 3.35 M/s messages over time/2 adders, 2 takers: - 7.84 M/s + 2.31 M/s messages over time/2 adders, 4 takers: - 4.86 M/s + 1.43 M/s messages over time/4 adders, 1 taker: - 7.51 M/s + 2.11 M/s messages over time/4 adders, 2 takers: - 4.80 M/s + 1.69 M/s messages over time/4 adders, 4 takers: - 3.51 M/s + 1.15 M/s messages over time/one domain: - 8.30 M/s + 8.15 M/s time per message/1 adder, 1 taker: - 214.87 ns + 1375.59 ns time per message/1 adder, 2 takers: - 584.76 ns + 1215.07 ns time per message/1 adder, 4 takers: - 1470.54 ns + 24115.37 ns time per message/2 adders, 1 taker: - 350.01 ns + 895.00 ns time per message/2 adders, 2 takers: - 509.92 ns + 1733.32 ns time per message/2 adders, 4 takers: - 1234.76 ns + 4201.30 ns time per message/4 adders, 1 taker: - 665.35 ns + 2367.70 ns time per message/4 adders, 2 takers: - 1251.15 ns + 3551.85 ns time per message/4 adders, 4 takers: - 2277.43 ns + 6939.04 ns time per message/one domain: - 120.42 ns + 122.73 ns Hashtbl: operations over time/1 worker, 10% reads: - 8.78 M/s + 11.86 M/s operations over time/1 worker, 50% reads: - 8.04 M/s + 14.29 M/s operations over time/1 worker, 90% reads: - 9.86 M/s + 16.94 M/s operations over time/2 workers, 10% reads: - 10.68 M/s + 3.07 M/s operations over time/2 workers, 50% reads: - 13.17 M/s + 3.02 M/s operations over time/2 workers, 90% reads: - 16.24 M/s + 3.78 M/s operations over time/4 workers, 10% reads: - 7.77 M/s + 2.84 M/s operations over time/4 workers, 50% reads: - 10.22 M/s + 3.28 M/s operations over time/4 workers, 90% reads: - 12.78 M/s + 3.92 M/s operations over time/8 workers, 10% reads: - 6.16 M/s + 1.98 M/s operations over time/8 workers, 50% reads: - 7.16 M/s + 2.29 M/s operations over time/8 workers, 90% reads: - 8.45 M/s + 2.96 M/s operations over time/one domain, 10% reads: - 12.68 M/s + 23.42 M/s operations over time/one domain, 50% reads: - 12.85 M/s + 26.02 M/s operations over time/one domain, 90% reads: - 21.00 M/s + 38.07 M/s time per operation/1 worker, 10% reads: - 113.91 ns + 84.35 ns time per operation/1 worker, 50% reads: - 124.43 ns + 69.97 ns time per operation/1 worker, 90% reads: - 101.47 ns + 59.02 ns time per operation/2 workers, 10% reads: - 187.29 ns + 651.41 ns time per operation/2 workers, 50% reads: - 151.80 ns + 662.06 ns time per operation/2 workers, 90% reads: - 123.15 ns + 528.84 ns time per operation/4 workers, 10% reads: - 514.61 ns + 1410.24 ns time per operation/4 workers, 50% reads: - 391.24 ns + 1218.75 ns time per operation/4 workers, 90% reads: - 312.95 ns + 1020.79 ns time per operation/8 workers, 10% reads: - 1298.66 ns + 4035.69 ns time per operation/8 workers, 50% reads: - 1117.23 ns + 3492.97 ns time per operation/8 workers, 90% reads: - 947.21 ns + 2703.04 ns time per operation/one domain, 10% reads: - 78.89 ns + 42.70 ns time per operation/one domain, 50% reads: - 77.79 ns + 38.44 ns time per operation/one domain, 90% reads: - 47.62 ns + 26.27 ns Queue: messages over time/one domain: - 24.76 M/s + 24.74 M/s time per message/one domain: - 40.38 ns + 40.43 ns Ref with Mutex: ops over time/cas int: - 14.19 M/s + 24.65 M/s ops over time/get: - 15.56 M/s + 30.87 M/s ops over time/incr: - 15.27 M/s + 29.60 M/s ops over time/push & pop: - 9.30 M/s + 19.26 M/s ops over time/swap: - 6.86 M/s + 16.69 M/s ops over time/xchg int: - 14.17 M/s + 25.91 M/s time per op/cas int: - 70.49 ns + 40.58 ns time per op/get: - 64.27 ns + 32.39 ns time per op/incr: - 65.48 ns + 33.79 ns time per op/push & pop: - 107.51 ns + 51.92 ns time per op/swap: - 145.83 ns + 59.92 ns time per op/xchg int: - 70.56 ns + 38.59 ns Ref with [@poll error]: ops over time/cas int: - 89.29 M/s + 88.53 M/s ops over time/get: - 851.99 M/s + 854.05 M/s ops over time/incr: - 178.29 M/s + 178.91 M/s ops over time/push & pop: - 9.22 M/s + 57.27 M/s ops over time/swap: - 8.29 M/s + 69.82 M/s ops over time/xchg int: - 89.96 M/s + 77.99 M/s time per op/cas int: - 11.20 ns + 11.30 ns time per op/get: 1.17 ns time per op/incr: - 5.61 ns + 5.59 ns time per op/push & pop: - 108.42 ns + 17.46 ns time per op/swap: - 120.56 ns + 14.32 ns time per op/xchg int: - 11.12 ns + 12.82 ns Stack: messages over time/one domain: - 31.50 M/s + 32.17 M/s time per message/one domain: - 31.74 ns + 31.08 ns Unix: blocking reads over time/1 worker: - 1.65 M/s + 2.81 M/s blocking reads over time/2 workers: - 2.54 M/s + 4.63 M/s blocking reads over time/4 workers: - 4.77 M/s + 8.59 M/s time per blocking read/1 worker: - 606.18 ns + 356.42 ns time per blocking read/2 workers: - 788.95 ns + 432.37 ns time per blocking read/4 workers: - 839.28 ns + 465.78 ns create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=ocaml_dune dh_prep -O--buildsystem=ocaml_dune @@ -986,12 +1022,14 @@ 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/2193357/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/2193357/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/3830046 and its subdirectories -I: Current time: Fri Jan 24 23:29:48 -12 2025 -I: pbuilder-time-stamp: 1737804588 +I: removing directory /srv/workspace/pbuilder/2193357 and its subdirectories +I: Current time: Sat Feb 28 07:53:48 +14 2026 +I: pbuilder-time-stamp: 1772214828