Diff of the two buildlogs: -- --- b1/build.log 2024-12-28 14:24:53.088297288 +0000 +++ b2/build.log 2024-12-28 14:25:57.729360188 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Sat Dec 28 02:22:11 -12 2024 -I: pbuilder-time-stamp: 1735395731 +I: Current time: Sat Jan 31 10:47:56 +14 2026 +I: pbuilder-time-stamp: 1769806076 I: Building the build Environment I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz] I: copying local configuration @@ -24,52 +24,84 @@ dpkg-source: info: applying 0001-Do-not-run-tests-that-are-too-heavy-for-buildds.patch I: Not using root during the build. I: Installing the build-deps -I: user script /srv/workspace/pbuilder/1589475/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/1881618/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 Jan 30 20:48 /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/1881618/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/1881618/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='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='ac667b741a6b4f69b7756f8dc7791d01' - 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='1589475' - PS1='# ' - PS2='> ' + INVOCATION_ID=64d51d7948c44d779452ea10ddf7a88a + 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=1881618 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.uMOKFjfa/pbuilderrc_wMsv --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.uMOKFjfa/b1 --logfile b1/build.log parmap_1.2.5-3.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.uMOKFjfa/pbuilderrc_qGcN --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.uMOKFjfa/b2 --logfile b2/build.log parmap_1.2.5-3.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 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux + Linux i-capture-the-hostname 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) 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/1589475/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 Nov 22 2024 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/1881618/tmp/hooks/D02_print_environment finished -> Attempting to satisfy build-dependencies -> Creating pbuilder-satisfydepends-dummy package Package: pbuilder-satisfydepends-dummy @@ -156,7 +188,7 @@ Get: 41 http://deb.debian.org/debian unstable/main arm64 ocaml arm64 5.2.0-3 [20.1 MB] Get: 42 http://deb.debian.org/debian unstable/main arm64 libdune-ocaml-dev arm64 3.16.0-2+b1 [6465 kB] Get: 43 http://deb.debian.org/debian unstable/main arm64 ocaml-dune arm64 3.16.0-2+b1 [5534 kB] -Fetched 119 MB in 1s (95.6 MB/s) +Fetched 119 MB in 0s (277 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 ... 19975 files and directories currently installed.) @@ -343,7 +375,11 @@ Building tag database... -> Finished parsing the build-deps I: Building the package -I: Running cd /build/reproducible-path/parmap-1.2.5/ && 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 > ../parmap_1.2.5-3_source.changes +I: user script /srv/workspace/pbuilder/1881618/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for unstable +I: user script /srv/workspace/pbuilder/1881618/tmp/hooks/A99_set_merged_usr finished +hostname: Name or service not known +I: Running cd /build/reproducible-path/parmap-1.2.5/ && 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 > ../parmap_1.2.5-3_source.changes dpkg-buildpackage: info: source package parmap dpkg-buildpackage: info: source version 1.2.5-3 dpkg-buildpackage: info: source distribution unstable @@ -375,54 +411,54 @@ [Parmap]: simplemapper on 5 elements, on 5 cores, chunksize = 1 [Parmap]: error at index j=0 in (0,0), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 0 -[Parmap]: error at index j=0 in (2,2), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 2 - [Parmap]: error at index j=0 in (1,1), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 1 +[Parmap]: error at index j=0 in (2,2), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 2 + [Parmap]: error at index j=0 in (3,3), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 3 [Parmap]: error at index j=0 in (4,4), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 4 -(cd _build/default/tests && ./simplescalefold.exe) -Testing scalability with 2 iterations on 1*2 to 10*2 cores -The fold operation in this example is too simple to scale: this is just a test for the code. -Sequential execution takes 0.004990 seconds -Speedup with 2 cores (average on 2 iterations): 0.250653 (tseq=0.004990, tpar=0.019907) -Speedup with 4 cores (average on 2 iterations): 0.147730 (tseq=0.004990, tpar=0.033777) -Speedup with 6 cores (average on 2 iterations): 0.208568 (tseq=0.004990, tpar=0.023924) -Speedup with 8 cores (average on 2 iterations): 0.226756 (tseq=0.004990, tpar=0.022005) -Speedup with 10 cores (average on 2 iterations): 0.207868 (tseq=0.004990, tpar=0.024005) -Speedup with 12 cores (average on 2 iterations): 0.192110 (tseq=0.004990, tpar=0.025974) -Speedup with 14 cores (average on 2 iterations): 0.178153 (tseq=0.004990, tpar=0.028009) -Speedup with 16 cores (average on 2 iterations): 0.163850 (tseq=0.004990, tpar=0.030454) -Speedup with 18 cores (average on 2 iterations): 0.132902 (tseq=0.004990, tpar=0.037546) -Speedup with 20 cores (average on 2 iterations): 0.146698 (tseq=0.004990, tpar=0.034015) (cd _build/default/tests && ./floatscale.exe) Test: normal parmap Test: specialised array parmap Test: specialised float array parmap Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000060 seconds -Speedup with 8 cores (average on 1 iterations): 0.001597 (tseq=0.000060, tpar=0.037471) +Sequential execution takes 0.000132 seconds +Speedup with 8 cores (average on 1 iterations): 0.029229 (tseq=0.000132, tpar=0.004519) Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000037 seconds -Speedup with 8 cores (average on 1 iterations): 0.001366 (tseq=0.000037, tpar=0.027232) +Sequential execution takes 0.000079 seconds +Speedup with 8 cores (average on 1 iterations): 0.019485 (tseq=0.000079, tpar=0.004050) Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000037 seconds -Speedup with 8 cores (average on 1 iterations): 0.001332 (tseq=0.000037, tpar=0.027933) +Sequential execution takes 0.000079 seconds +Speedup with 8 cores (average on 1 iterations): 0.019893 (tseq=0.000079, tpar=0.003967) +(cd _build/default/tests && ./simplescalefold.exe) +Testing scalability with 2 iterations on 1*2 to 10*2 cores +The fold operation in this example is too simple to scale: this is just a test for the code. +Sequential execution takes 0.001226 seconds +Speedup with 2 cores (average on 2 iterations): 0.220455 (tseq=0.001226, tpar=0.005561) +Speedup with 4 cores (average on 2 iterations): 0.188898 (tseq=0.001226, tpar=0.006490) +Speedup with 6 cores (average on 2 iterations): 0.169365 (tseq=0.001226, tpar=0.007239) +Speedup with 8 cores (average on 2 iterations): 0.154373 (tseq=0.001226, tpar=0.007941) +Speedup with 10 cores (average on 2 iterations): 0.139074 (tseq=0.001226, tpar=0.008815) +Speedup with 12 cores (average on 2 iterations): 0.135195 (tseq=0.001226, tpar=0.009068) +Speedup with 14 cores (average on 2 iterations): 0.129177 (tseq=0.001226, tpar=0.009490) +Speedup with 16 cores (average on 2 iterations): 0.122982 (tseq=0.001226, tpar=0.009969) +Speedup with 18 cores (average on 2 iterations): 0.120808 (tseq=0.001226, tpar=0.010148) +Speedup with 20 cores (average on 2 iterations): 0.120108 (tseq=0.001226, tpar=0.010207) (cd _build/default/tests && ./simplescalemapfold.exe) Testing scalability with 2 iterations on 1*2 to 10*2 cores -Sequential execution takes 17.431324 seconds -Speedup with 2 cores (average on 2 iterations): 2.120968 (tseq=17.431324, tpar=8.218569) -Speedup with 4 cores (average on 2 iterations): 3.768000 (tseq=17.431324, tpar=4.626148) -Speedup with 6 cores (average on 2 iterations): 5.279264 (tseq=17.431324, tpar=3.301847) -Speedup with 8 cores (average on 2 iterations): 6.756617 (tseq=17.431324, tpar=2.579889) -Speedup with 10 cores (average on 2 iterations): 8.498496 (tseq=17.431324, tpar=2.051107) -Speedup with 12 cores (average on 2 iterations): 9.690055 (tseq=17.431324, tpar=1.798888) -Speedup with 14 cores (average on 2 iterations): 10.798401 (tseq=17.431324, tpar=1.614250) -Speedup with 16 cores (average on 2 iterations): 11.761507 (tseq=17.431324, tpar=1.482066) -Speedup with 18 cores (average on 2 iterations): 12.724588 (tseq=17.431324, tpar=1.369893) -Speedup with 20 cores (average on 2 iterations): 13.834187 (tseq=17.431324, tpar=1.260018) +Sequential execution takes 4.588168 seconds +Speedup with 2 cores (average on 2 iterations): 1.970852 (tseq=4.588168, tpar=2.328012) +Speedup with 4 cores (average on 2 iterations): 3.990402 (tseq=4.588168, tpar=1.149801) +Speedup with 6 cores (average on 2 iterations): 5.814627 (tseq=4.588168, tpar=0.789073) +Speedup with 8 cores (average on 2 iterations): 7.824238 (tseq=4.588168, tpar=0.586404) +Speedup with 10 cores (average on 2 iterations): 9.406370 (tseq=4.588168, tpar=0.487772) +Speedup with 12 cores (average on 2 iterations): 9.538753 (tseq=4.588168, tpar=0.481003) +Speedup with 14 cores (average on 2 iterations): 9.679936 (tseq=4.588168, tpar=0.473987) +Speedup with 16 cores (average on 2 iterations): 9.837053 (tseq=4.588168, tpar=0.466417) +Speedup with 18 cores (average on 2 iterations): 9.832160 (tseq=4.588168, tpar=0.466649) +Speedup with 20 cores (average on 2 iterations): 9.926546 (tseq=4.588168, tpar=0.462212) make[1]: Leaving directory '/build/reproducible-path/parmap-1.2.5' create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=ocaml_dune @@ -464,12 +500,14 @@ dpkg-buildpackage: info: binary-only upload (no source included) dpkg-genchanges: info: not including original source code in upload I: copying local configuration +I: user script /srv/workspace/pbuilder/1881618/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/1881618/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/1589475 and its subdirectories -I: Current time: Sat Dec 28 02:24:52 -12 2024 -I: pbuilder-time-stamp: 1735395892 +I: removing directory /srv/workspace/pbuilder/1881618 and its subdirectories +I: Current time: Sat Jan 31 10:48:56 +14 2026 +I: pbuilder-time-stamp: 1769806136