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Date: Sun, 22 Nov 2020 22:42:26 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Michal Kubecek <mkubecek@...e.cz>
Cc: Alexander Viro <viro@...iv.linux.org.uk>,
linux-fsdevel@...r.kernel.org, Jens Axboe <axboe@...nel.dk>,
linux-kernel@...r.kernel.org, 0day robot <lkp@...el.com>,
lkp@...ts.01.org, ying.huang@...el.com, feng.tang@...el.com,
zhengjun.xing@...el.com
Subject: [eventfd] 5cb13cb023: will-it-scale.per_thread_ops -6.3% regression
Greeting,
FYI, we noticed a -6.3% regression of will-it-scale.per_thread_ops due to commit:
commit: 5cb13cb023c0caccfa3e0fcf5e206ea1246c476f ("[PATCH] eventfd: convert to ->write_iter()")
url: https://github.com/0day-ci/linux/commits/Michal-Kubecek/eventfd-convert-to-write_iter/20201118-172416
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 0fa8ee0d9ab95c9350b8b84574824d9a384a9f7d
in testcase: will-it-scale
on test machine: 192 threads Intel(R) Xeon(R) Platinum 9242 CPU @ 2.30GHz with 192G memory
with following parameters:
nr_task: 50%
mode: thread
test: eventfd1
cpufreq_governor: performance
ucode: 0x5003003
test-description: Will It Scale takes a testcase and runs it from 1 through to n parallel copies to see if the testcase will scale. It builds both a process and threads based test in order to see any differences between the two.
test-url: https://github.com/antonblanchard/will-it-scale
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase/ucode:
gcc-9/performance/x86_64-rhel-8.3/thread/50%/debian-10.4-x86_64-20200603.cgz/lkp-csl-2ap2/eventfd1/will-it-scale/0x5003003
commit:
0fa8ee0d9a ("Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input")
5cb13cb023 ("eventfd: convert to ->write_iter()")
0fa8ee0d9ab95c93 5cb13cb023c0caccfa3e0fcf5e2
---------------- ---------------------------
%stddev %change %stddev
\ | \
2598249 -6.3% 2434898 will-it-scale.per_thread_ops
2.494e+08 -6.3% 2.338e+08 will-it-scale.workload
5624 ± 3% -11.8% 4961 ± 7% boot-time.idle
195795 ± 30% +122.8% 436164 ± 53% numa-numastat.node2.numa_hit
6231 ± 22% -34.0% 4112 ± 36% sched_debug.cpu.ttwu_local.max
1.017e+10 ±107% +131.5% 2.354e+10 ± 37% cpuidle.C1E.time
30461075 ± 67% +70.3% 51869908 ± 22% cpuidle.C1E.usage
1274 ± 3% -12.1% 1120 ± 8% slabinfo.file_lock_cache.active_objs
1274 ± 3% -12.1% 1120 ± 8% slabinfo.file_lock_cache.num_objs
79975 ± 8% +12.6% 90014 ± 12% meminfo.Active
79975 ± 8% +12.6% 90014 ± 12% meminfo.Active(anon)
93866 ± 7% +11.2% 104419 ± 11% meminfo.Shmem
19966 ± 8% +12.6% 22476 ± 12% proc-vmstat.nr_active_anon
88671 -2.2% 86683 proc-vmstat.nr_anon_pages
92029 -2.0% 90156 proc-vmstat.nr_inactive_anon
19966 ± 8% +12.6% 22476 ± 12% proc-vmstat.nr_zone_active_anon
92029 -2.0% 90156 proc-vmstat.nr_zone_inactive_anon
564.00 ± 27% -58.8% 232.50 ± 39% numa-vmstat.node0.nr_page_table_pages
11326 ± 20% -48.1% 5878 ± 5% numa-vmstat.node0.nr_slab_reclaimable
23195 ± 6% -23.3% 17788 ± 9% numa-vmstat.node0.nr_slab_unreclaimable
687301 ± 22% -27.9% 495794 ± 4% numa-vmstat.node0.numa_hit
13611 +32.0% 17965 ± 11% numa-vmstat.node1.nr_slab_unreclaimable
19094 ± 9% +13.0% 21572 ± 11% numa-vmstat.node3.nr_active_anon
7278 ± 32% +54.1% 11218 ± 27% numa-vmstat.node3.nr_slab_reclaimable
19094 ± 9% +13.0% 21572 ± 11% numa-vmstat.node3.nr_zone_active_anon
45304 ± 20% -48.1% 23515 ± 5% numa-meminfo.node0.KReclaimable
2253 ± 27% -58.1% 943.75 ± 37% numa-meminfo.node0.PageTables
45304 ± 20% -48.1% 23515 ± 5% numa-meminfo.node0.SReclaimable
92781 ± 6% -23.3% 71159 ± 9% numa-meminfo.node0.SUnreclaim
138086 ± 6% -31.4% 94675 ± 8% numa-meminfo.node0.Slab
54446 +32.0% 71864 ± 11% numa-meminfo.node1.SUnreclaim
76276 ± 10% +13.1% 86270 ± 11% numa-meminfo.node3.Active
76276 ± 10% +13.1% 86270 ± 11% numa-meminfo.node3.Active(anon)
29121 ± 32% +54.1% 44886 ± 27% numa-meminfo.node3.KReclaimable
29121 ± 32% +54.1% 44886 ± 27% numa-meminfo.node3.SReclaimable
8.01 ± 9% -8.0 0.00 perf-profile.calltrace.cycles-pp.eventfd_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.91 ± 9% +0.3 1.19 ± 9% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__libc_write
0.00 +0.8 0.84 ± 11% perf-profile.calltrace.cycles-pp.copy_user_enhanced_fast_string.copyin._copy_from_iter_full.eventfd_write.new_sync_write
0.00 +1.1 1.05 ± 11% perf-profile.calltrace.cycles-pp.__might_fault._copy_from_iter_full.eventfd_write.new_sync_write.vfs_write
0.00 +1.1 1.13 ± 11% perf-profile.calltrace.cycles-pp.copy_user_generic_unrolled.copyin._copy_from_iter_full.eventfd_write.new_sync_write
0.00 +1.1 1.15 ± 11% perf-profile.calltrace.cycles-pp.iov_iter_advance._copy_from_iter_full.eventfd_write.new_sync_write.vfs_write
0.00 +1.3 1.26 ± 12% perf-profile.calltrace.cycles-pp._raw_spin_lock_irq.eventfd_write.new_sync_write.vfs_write.ksys_write
0.00 +2.5 2.46 ± 11% perf-profile.calltrace.cycles-pp.copyin._copy_from_iter_full.eventfd_write.new_sync_write.vfs_write
0.00 +5.5 5.50 ± 11% perf-profile.calltrace.cycles-pp._copy_from_iter_full.eventfd_write.new_sync_write.vfs_write.ksys_write
0.00 +8.7 8.70 ± 11% perf-profile.calltrace.cycles-pp.eventfd_write.new_sync_write.vfs_write.ksys_write.do_syscall_64
0.00 +10.1 10.11 ± 11% perf-profile.calltrace.cycles-pp.new_sync_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.16 ± 11% +0.2 0.32 ± 11% perf-profile.children.cycles-pp.iov_iter_init
0.00 +1.2 1.15 ± 11% perf-profile.children.cycles-pp.iov_iter_advance
0.00 +2.5 2.51 ± 11% perf-profile.children.cycles-pp.copyin
0.00 +5.7 5.66 ± 11% perf-profile.children.cycles-pp._copy_from_iter_full
0.00 +10.2 10.22 ± 11% perf-profile.children.cycles-pp.new_sync_write
0.12 ± 6% +0.1 0.23 ± 10% perf-profile.self.cycles-pp.iov_iter_init
0.00 +0.3 0.33 ± 12% perf-profile.self.cycles-pp.copyin
0.00 +0.9 0.91 ± 12% perf-profile.self.cycles-pp._copy_from_iter_full
0.00 +1.1 1.08 ± 11% perf-profile.self.cycles-pp.iov_iter_advance
0.00 +1.2 1.24 ± 11% perf-profile.self.cycles-pp.new_sync_write
9.3e+10 +3.7% 9.647e+10 perf-stat.i.branch-instructions
1.02 -0.1 0.92 perf-stat.i.branch-miss-rate%
9.438e+08 -6.5% 8.828e+08 perf-stat.i.branch-misses
2364 -1.9% 2319 perf-stat.i.context-switches
0.65 -3.9% 0.63 perf-stat.i.cpi
1.288e+11 +2.4% 1.319e+11 perf-stat.i.dTLB-loads
82066 -2.0% 80394 perf-stat.i.dTLB-store-misses
8.791e+10 +3.2% 9.076e+10 perf-stat.i.dTLB-stores
9.303e+08 -3.5% 8.98e+08 perf-stat.i.iTLB-load-misses
4.486e+11 +4.1% 4.672e+11 perf-stat.i.instructions
482.90 +8.1% 522.07 perf-stat.i.instructions-per-iTLB-miss
1.53 +4.2% 1.59 perf-stat.i.ipc
1612 +3.1% 1662 perf-stat.i.metric.M/sec
0.02 ± 3% -6.9% 0.02 ± 2% perf-stat.overall.MPKI
1.01 -0.1 0.92 perf-stat.overall.branch-miss-rate%
0.65 -4.1% 0.63 perf-stat.overall.cpi
0.00 -0.0 0.00 perf-stat.overall.dTLB-store-miss-rate%
482.17 +7.9% 520.31 perf-stat.overall.instructions-per-iTLB-miss
1.53 +4.2% 1.60 perf-stat.overall.ipc
542437 +11.1% 602836 perf-stat.overall.path-length
9.268e+10 +3.7% 9.614e+10 perf-stat.ps.branch-instructions
9.404e+08 -6.5% 8.798e+08 perf-stat.ps.branch-misses
2357 -2.1% 2308 perf-stat.ps.context-switches
1.283e+11 +2.5% 1.315e+11 perf-stat.ps.dTLB-loads
82039 -2.0% 80437 perf-stat.ps.dTLB-store-misses
8.76e+10 +3.3% 9.045e+10 perf-stat.ps.dTLB-stores
9.271e+08 -3.5% 8.95e+08 perf-stat.ps.iTLB-load-misses
4.47e+11 +4.2% 4.656e+11 perf-stat.ps.instructions
1.353e+14 +4.1% 1.409e+14 perf-stat.total.instructions
17923 ± 57% +68.7% 30238 ± 23% softirqs.CPU118.SCHED
13351 ± 5% -24.1% 10129 ± 7% softirqs.CPU120.RCU
14869 ± 19% +128.3% 33952 ± 5% softirqs.CPU120.SCHED
10695 ± 7% +21.5% 12999 ± 7% softirqs.CPU122.RCU
32252 ± 13% -62.5% 12110 ± 36% softirqs.CPU122.SCHED
12027 ± 2% -12.6% 10510 softirqs.CPU129.RCU
22702 ± 20% +35.5% 30756 ± 16% softirqs.CPU129.SCHED
12806 ± 8% -17.5% 10564 ± 7% softirqs.CPU13.RCU
13637 ± 6% -23.8% 10394 ± 13% softirqs.CPU130.RCU
13342 ± 33% +139.9% 32014 ± 15% softirqs.CPU130.SCHED
22307 ± 29% -41.9% 12958 ± 37% softirqs.CPU133.SCHED
12617 ± 10% -11.6% 11152 ± 3% softirqs.CPU135.RCU
36856 ± 41% -47.8% 19244 ± 50% softirqs.CPU15.SCHED
14467 ± 11% -21.6% 11339 ± 3% softirqs.CPU167.RCU
20118 ± 40% +54.6% 31101 ± 31% softirqs.CPU167.SCHED
11933 ± 7% -11.5% 10560 softirqs.CPU183.RCU
16156 ± 34% +55.0% 25048 ± 35% softirqs.CPU184.SCHED
11912 ± 4% -12.2% 10456 ± 5% softirqs.CPU188.RCU
19513 ± 14% +35.2% 26375 ± 2% softirqs.CPU188.SCHED
11382 ± 5% +24.0% 14114 ± 8% softirqs.CPU24.RCU
29259 ± 8% -60.3% 11611 ± 21% softirqs.CPU24.SCHED
14178 ± 3% -26.6% 10407 ± 7% softirqs.CPU26.RCU
12171 ± 30% +171.3% 33015 ± 11% softirqs.CPU26.SCHED
11088 ± 6% +24.4% 13789 ± 3% softirqs.CPU34.RCU
31141 ± 12% -57.6% 13193 ± 42% softirqs.CPU34.SCHED
12838 ± 7% -17.6% 10584 ± 7% softirqs.CPU37.RCU
20138 ± 28% +51.2% 30444 ± 17% softirqs.CPU38.SCHED
13059 ± 3% -13.7% 11272 ± 10% softirqs.CPU46.RCU
13511 ± 5% -10.1% 12147 ± 4% softirqs.CPU68.RCU
19446 ± 16% +22.9% 23906 ± 14% softirqs.CPU68.SCHED
13235 ± 4% -11.3% 11745 ± 8% softirqs.CPU76.RCU
12459 ± 30% +50.0% 18685 ± 26% softirqs.CPU76.SCHED
25126 ± 9% -25.7% 18676 ± 5% softirqs.CPU92.SCHED
598522 ± 13% -13.2% 519288 ± 6% interrupts.CAL:Function_call_interrupts
3490 ± 39% -38.2% 2155 ± 11% interrupts.CPU100.CAL:Function_call_interrupts
2778 ± 4% -18.0% 2278 ± 17% interrupts.CPU101.CAL:Function_call_interrupts
877.50 ± 6% -32.5% 592.25 ± 28% interrupts.CPU101.TLB:TLB_shootdowns
5050 ± 34% +58.5% 8005 ± 7% interrupts.CPU105.NMI:Non-maskable_interrupts
5050 ± 34% +58.5% 8005 ± 7% interrupts.CPU105.PMI:Performance_monitoring_interrupts
250.25 ± 27% -56.1% 109.75 ± 41% interrupts.CPU107.RES:Rescheduling_interrupts
3223 ± 48% +100.3% 6455 ± 22% interrupts.CPU108.NMI:Non-maskable_interrupts
3223 ± 48% +100.3% 6455 ± 22% interrupts.CPU108.PMI:Performance_monitoring_interrupts
917.50 ± 27% +38.4% 1269 ± 8% interrupts.CPU109.TLB:TLB_shootdowns
3957 ± 48% +79.9% 7120 ± 34% interrupts.CPU112.NMI:Non-maskable_interrupts
3957 ± 48% +79.9% 7120 ± 34% interrupts.CPU112.PMI:Performance_monitoring_interrupts
4300 ± 34% +70.2% 7318 ± 16% interrupts.CPU117.NMI:Non-maskable_interrupts
4300 ± 34% +70.2% 7318 ± 16% interrupts.CPU117.PMI:Performance_monitoring_interrupts
2802 ± 10% -29.6% 1972 ± 15% interrupts.CPU120.CAL:Function_call_interrupts
197.00 ± 10% -78.0% 43.25 ± 49% interrupts.CPU120.RES:Rescheduling_interrupts
912.75 ± 37% -65.5% 314.50 ± 46% interrupts.CPU120.TLB:TLB_shootdowns
2411 ± 15% +22.4% 2951 ± 3% interrupts.CPU122.CAL:Function_call_interrupts
57.50 ± 68% +264.8% 209.75 ± 25% interrupts.CPU122.RES:Rescheduling_interrupts
537.50 ± 77% +151.3% 1351 ± 17% interrupts.CPU122.TLB:TLB_shootdowns
3344 ± 83% +114.7% 7182 ± 18% interrupts.CPU126.NMI:Non-maskable_interrupts
3344 ± 83% +114.7% 7182 ± 18% interrupts.CPU126.PMI:Performance_monitoring_interrupts
2849 ± 4% -18.3% 2327 ± 8% interrupts.CPU13.CAL:Function_call_interrupts
185.25 ± 22% -53.4% 86.25 ± 45% interrupts.CPU13.RES:Rescheduling_interrupts
823.00 ± 35% -44.4% 457.50 ± 26% interrupts.CPU13.TLB:TLB_shootdowns
3044 ± 6% -32.5% 2055 ± 23% interrupts.CPU130.CAL:Function_call_interrupts
208.25 ± 20% -74.5% 53.00 ± 77% interrupts.CPU130.RES:Rescheduling_interrupts
1140 ± 21% -67.4% 371.75 ± 78% interrupts.CPU130.TLB:TLB_shootdowns
2652 ± 5% +13.7% 3014 ± 6% interrupts.CPU133.CAL:Function_call_interrupts
856.50 ± 20% +66.1% 1422 ± 18% interrupts.CPU133.TLB:TLB_shootdowns
113.50 ± 40% +70.9% 194.00 ± 30% interrupts.CPU134.RES:Rescheduling_interrupts
3169 ± 7% -20.6% 2515 ± 16% interrupts.CPU135.CAL:Function_call_interrupts
1282 ± 20% -30.9% 886.00 ± 23% interrupts.CPU135.TLB:TLB_shootdowns
2802 ± 8% -16.8% 2331 ± 10% interrupts.CPU136.CAL:Function_call_interrupts
3251 ± 8% -14.8% 2770 ± 6% interrupts.CPU139.CAL:Function_call_interrupts
1169 ± 23% -41.3% 686.00 ± 25% interrupts.CPU149.TLB:TLB_shootdowns
9462 ±112% -72.9% 2565 ± 30% interrupts.CPU16.CAL:Function_call_interrupts
8144 ± 7% -38.6% 4998 ± 58% interrupts.CPU160.NMI:Non-maskable_interrupts
8144 ± 7% -38.6% 4998 ± 58% interrupts.CPU160.PMI:Performance_monitoring_interrupts
4721 ± 48% +63.2% 7707 ± 14% interrupts.CPU173.NMI:Non-maskable_interrupts
4721 ± 48% +63.2% 7707 ± 14% interrupts.CPU173.PMI:Performance_monitoring_interrupts
4629 ± 41% +61.3% 7468 ± 14% interrupts.CPU18.NMI:Non-maskable_interrupts
4629 ± 41% +61.3% 7468 ± 14% interrupts.CPU18.PMI:Performance_monitoring_interrupts
2802 ± 33% +97.6% 5537 ± 28% interrupts.CPU181.NMI:Non-maskable_interrupts
2802 ± 33% +97.6% 5537 ± 28% interrupts.CPU181.PMI:Performance_monitoring_interrupts
2775 ± 3% -10.8% 2475 ± 9% interrupts.CPU183.CAL:Function_call_interrupts
5696 ± 34% +40.8% 8018 ± 6% interrupts.CPU186.NMI:Non-maskable_interrupts
5696 ± 34% +40.8% 8018 ± 6% interrupts.CPU186.PMI:Performance_monitoring_interrupts
1044 ± 25% -49.6% 526.50 ± 56% interrupts.CPU189.TLB:TLB_shootdowns
3090 ± 6% -13.2% 2683 ± 2% interrupts.CPU191.CAL:Function_call_interrupts
3039 ± 6% -19.8% 2437 ± 6% interrupts.CPU21.CAL:Function_call_interrupts
66.00 ± 40% +216.3% 208.75 ± 21% interrupts.CPU24.RES:Rescheduling_interrupts
881.50 ± 47% +64.3% 1448 ± 7% interrupts.CPU24.TLB:TLB_shootdowns
3371 ± 9% -36.5% 2142 ± 20% interrupts.CPU26.CAL:Function_call_interrupts
212.50 ± 11% -79.6% 43.25 ± 83% interrupts.CPU26.RES:Rescheduling_interrupts
1282 ± 29% -63.5% 468.50 ± 48% interrupts.CPU26.TLB:TLB_shootdowns
50.50 ± 57% +294.6% 199.25 ± 31% interrupts.CPU34.RES:Rescheduling_interrupts
649.25 ± 30% +126.1% 1467 ± 21% interrupts.CPU34.TLB:TLB_shootdowns
5367 ± 69% -49.7% 2697 ± 5% interrupts.CPU36.CAL:Function_call_interrupts
2874 ± 6% -29.0% 2041 ± 20% interrupts.CPU37.CAL:Function_call_interrupts
129.00 ± 42% -62.0% 49.00 ± 78% interrupts.CPU37.RES:Rescheduling_interrupts
977.00 ± 11% -62.2% 369.75 ± 61% interrupts.CPU37.TLB:TLB_shootdowns
824.00 ± 25% +32.7% 1093 ± 8% interrupts.CPU40.TLB:TLB_shootdowns
4495 ± 59% +77.6% 7984 ± 7% interrupts.CPU44.NMI:Non-maskable_interrupts
4495 ± 59% +77.6% 7984 ± 7% interrupts.CPU44.PMI:Performance_monitoring_interrupts
806.50 ± 12% +42.4% 1148 ± 17% interrupts.CPU5.TLB:TLB_shootdowns
3147 ± 10% -21.0% 2485 ± 13% interrupts.CPU51.CAL:Function_call_interrupts
691.50 ± 50% +62.4% 1122 ± 11% interrupts.CPU53.TLB:TLB_shootdowns
3478 ± 11% -21.8% 2721 ± 15% interrupts.CPU60.CAL:Function_call_interrupts
2938 ± 23% +157.7% 7571 ± 15% interrupts.CPU67.NMI:Non-maskable_interrupts
2938 ± 23% +157.7% 7571 ± 15% interrupts.CPU67.PMI:Performance_monitoring_interrupts
2923 ± 6% -12.1% 2568 ± 6% interrupts.CPU68.CAL:Function_call_interrupts
3390 ± 6% -14.5% 2897 ± 6% interrupts.CPU70.CAL:Function_call_interrupts
1192 ± 13% -21.6% 935.50 ± 10% interrupts.CPU84.TLB:TLB_shootdowns
105.25 ± 27% +43.9% 151.50 ± 18% interrupts.CPU92.RES:Rescheduling_interrupts
794.75 ± 42% +59.1% 1264 ± 28% interrupts.CPU93.TLB:TLB_shootdowns
2841 ± 20% -28.3% 2037 ± 23% interrupts.CPU98.CAL:Function_call_interrupts
3327 ± 18% -26.3% 2451 ± 12% interrupts.CPU99.CAL:Function_call_interrupts
will-it-scale.per_thread_ops
2.62e+06 +----------------------------------------------------------------+
2.6e+06 |-+ .+.++.+ .+.++.|
| +.+ + +.+.++.+ |
2.58e+06 |.++.+. .++.+.+ + .+.+. +.+.+ .+.+ .+.+. : |
2.56e+06 |-+ + + + + + + |
2.54e+06 |-+ |
2.52e+06 |-+ |
| |
2.5e+06 |-+ |
2.48e+06 |-+ |
2.46e+06 |-+ |
2.44e+06 |-+ O O OO O OO |
| OO O O O O O O OO O OO O |
2.42e+06 |-+ O O O |
2.4e+06 +----------------------------------------------------------------+
will-it-scale.workload
2.5e+08 +----------------------------------------------------------------+
| .+ + .+ .+.+ |
2.48e+08 |-+ .+. .+.++ + .+. .+ +.+ + |
2.46e+08 |.++ +.++ ++.+ ++.+.++.+ +.+.+.+ |
| |
2.44e+08 |-+ |
2.42e+08 |-+ |
| |
2.4e+08 |-+ |
2.38e+08 |-+ |
| |
2.36e+08 |-+ O |
2.34e+08 |-+ O O OO O OO |
| OO O O O O O OO O OO O |
2.32e+08 +----------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
Thanks,
Oliver Sang
View attachment "config-5.10.0-rc4-00092-g5cb13cb023c0" of type "text/plain" (170093 bytes)
View attachment "job-script" of type "text/plain" (7905 bytes)
View attachment "job.yaml" of type "text/plain" (5341 bytes)
View attachment "reproduce" of type "text/plain" (339 bytes)
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