SPEC CPU(R)2017 Integer Rate Result New H3C Technologies Co., Ltd. H3C UniServer R6900 G5 (Intel Xeon Gold 6348H) CPU2017 License: 9066 Test date: Mar-2021 Test sponsor: New H3C Technologies Co., Ltd. Hardware availability: Sep-2020 Tested by: New H3C Technologies Co., Ltd. Software availability: Dec-2020 Base Base Base Peak Peak Peak Benchmarks Copies Run Time Rate Copies Run Time Rate --------------- ------- --------- --------- ------- --------- --------- 500.perlbench_r 192 688 444 S 192 602 508 * 500.perlbench_r 192 685 446 S 192 601 508 S 500.perlbench_r 192 687 445 * 192 602 508 S 502.gcc_r 192 605 449 S 192 504 539 S 502.gcc_r 192 612 445 S 192 502 542 * 502.gcc_r 192 609 447 * 192 499 545 S 505.mcf_r 192 305 1020 S 192 305 1020 S 505.mcf_r 192 305 1020 * 192 305 1020 * 505.mcf_r 192 308 1010 S 192 308 1010 S 520.omnetpp_r 192 657 383 * 192 657 383 * 520.omnetpp_r 192 658 383 S 192 658 383 S 520.omnetpp_r 192 657 383 S 192 657 383 S 523.xalancbmk_r 192 256 793 S 192 256 793 S 523.xalancbmk_r 192 255 796 S 192 255 796 S 523.xalancbmk_r 192 255 794 * 192 255 794 * 525.x264_r 192 250 1340 * 192 242 1390 S 525.x264_r 192 252 1340 S 192 242 1390 * 525.x264_r 192 250 1340 S 192 244 1380 S 531.deepsjeng_r 192 435 506 S 192 435 506 S 531.deepsjeng_r 192 434 507 S 192 434 507 S 531.deepsjeng_r 192 434 507 * 192 434 507 * 541.leela_r 192 658 484 * 192 658 484 * 541.leela_r 192 658 483 S 192 658 483 S 541.leela_r 192 657 484 S 192 657 484 S 548.exchange2_r 192 417 1210 S 192 417 1210 S 548.exchange2_r 192 416 1210 S 192 416 1210 S 548.exchange2_r 192 417 1210 * 192 417 1210 * 557.xz_r 192 552 376 S 192 548 378 * 557.xz_r 192 552 376 S 192 549 378 S 557.xz_r 192 552 376 * 192 548 378 S ================================================================================= 500.perlbench_r 192 687 445 * 192 602 508 * 502.gcc_r 192 609 447 * 192 502 542 * 505.mcf_r 192 305 1020 * 192 305 1020 * 520.omnetpp_r 192 657 383 * 192 657 383 * 523.xalancbmk_r 192 255 794 * 192 255 794 * 525.x264_r 192 250 1340 * 192 242 1390 * 531.deepsjeng_r 192 434 507 * 192 434 507 * 541.leela_r 192 658 484 * 192 658 484 * 548.exchange2_r 192 417 1210 * 192 417 1210 * 557.xz_r 192 552 376 * 192 548 378 * SPECrate(R)2017_int_base 626 SPECrate(R)2017_int_peak 649 HARDWARE -------- CPU Name: Intel Xeon Gold 6348H Max MHz: 4200 Nominal: 2300 Enabled: 96 cores, 4 chips, 2 threads/core Orderable: 1,2,3,4 chips Cache L1: 32 KB I + 32 KB D on chip per core L2: 1 MB I+D on chip per core L3: 33 MB I+D on chip per chip Other: None Memory: 768 GB (48 x 16 GB 2Rx8 PC4-3200V-R, running at 2933) Storage: 1 x 1.0 TB SATA SSD Other: None SOFTWARE -------- OS: Red Hat Enterprise Linux release 8.2 (Ootpa) 4.18.0-193.el8.x86_64 Compiler: C/C++: Version 2021.1 of Intel oneAPI DPC++/C++ Compiler Build 20201113 for Linux; Fortran: Version 2021.1 of Intel Fortran Compiler Classic Build 20201112 for Linux; C/C++: Version 2021.1 of Intel C/C++ Compiler Classic Build 20201112 for Linux; Parallel: No Firmware: Version 5.14 released Feb-2021 BIOS File System: xfs System State: Run level 3 (multi-user) Base Pointers: 64-bit Peak Pointers: 32/64-bit Other: jemalloc memory allocator V5.0.1 Power Management: BIOS set to prefer performance at the cost of additional power usage. Submit Notes ------------ The numactl mechanism was used to bind copies to processors. The config file option 'submit' was used to generate numactl commands to bind each copy to a specific processor. For details, please see the config file. Operating System Notes ---------------------- Stack size set to unlimited using "ulimit -s unlimited" Environment Variables Notes --------------------------- Environment variables set by runcpu before the start of the run: LD_LIBRARY_PATH = "/home/speccpu/lib/intel64:/home/speccpu/lib/ia32:/home/speccpu/je5.0.1- 32" MALLOC_CONF = "retain:true" General Notes ------------- Binaries compiled on a system with 1x Intel Core i9-7980XE CPU + 64GB RAM memory using Red Hat Enterprise Linux 8.1 NA: The test sponsor attests, as of date of publication, that CVE-2017-5754 (Meltdown) is mitigated in the system as tested and documented. Yes: The test sponsor attests, as of date of publication, that CVE-2017-5753 (Spectre variant 1) is mitigated in the system as tested and documented. Yes: The test sponsor attests, as of date of publication, that CVE-2017-5715 (Spectre variant 2) is mitigated in the system as tested and documented. Transparent Huge Pages enabled by default Prior to runcpu invocation Filesystem page cache synced and cleared with: sync; echo 3> /proc/sys/vm/drop_caches runcpu command invoked through numactl i.e.: numactl --interleave=all runcpu jemalloc, a general purpose malloc implementation built with the RedHat Enterprise 7.5, and the system compiler gcc 4.8.5 sources available from jemalloc.net or https://github.com/jemalloc/jemalloc/releases Platform Notes -------------- BIOS Settings: Set SNC to Enabled Set Power Performance Tuning to BIOS Controls EPB Set Energy Performance BIAS to Performance Set XPT Prefetch to Enabled Sysinfo program /home/speccpu/bin/sysinfo Rev: r6538 of 2020-09-24 e8664e66d2d7080afeaa89d4b38e2f1c running on localhost.localdomain Tue Mar 9 20:13:52 2021 SUT (System Under Test) info as seen by some common utilities. For more information on this section, see https://www.spec.org/cpu2017/Docs/config.html#sysinfo From /proc/cpuinfo model name : Intel(R) Xeon(R) Gold 6348H CPU @ 2.30GHz 4 "physical id"s (chips) 192 "processors" cores, siblings (Caution: counting these is hw and system dependent. The following excerpts from /proc/cpuinfo might not be reliable. Use with caution.) cpu cores : 24 siblings : 48 physical 0: cores 0 1 2 3 4 5 8 9 10 11 12 13 16 17 18 19 20 21 24 25 26 27 28 29 physical 1: cores 0 1 2 3 4 5 8 9 10 11 12 13 16 17 18 19 20 21 24 25 26 27 28 29 physical 2: cores 0 1 2 3 4 5 8 9 10 11 12 13 16 17 18 19 20 21 24 25 26 27 28 29 physical 3: cores 0 1 2 3 4 5 8 9 10 11 12 13 16 17 18 19 20 21 24 25 26 27 28 29 From lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 192 On-line CPU(s) list: 0-191 Thread(s) per core: 2 Core(s) per socket: 24 Socket(s): 4 NUMA node(s): 8 Vendor ID: GenuineIntel CPU family: 6 Model: 85 Model name: Intel(R) Xeon(R) Gold 6348H CPU @ 2.30GHz Stepping: 11 CPU MHz: 2209.789 CPU max MHz: 4200.0000 CPU min MHz: 1000.0000 BogoMIPS: 4600.00 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 1024K L3 cache: 33792K NUMA node0 CPU(s): 0-2,6-8,12-14,18-20,96-98,102-104,108-110,114-116 NUMA node1 CPU(s): 3-5,9-11,15-17,21-23,99-101,105-107,111-113,117-119 NUMA node2 CPU(s): 24-26,30-32,36-38,42-44,120-122,126-128,132-134,138-140 NUMA node3 CPU(s): 27-29,33-35,39-41,45-47,123-125,129-131,135-137,141-143 NUMA node4 CPU(s): 48-50,54-56,60-62,66-68,144-146,150-152,156-158,162-164 NUMA node5 CPU(s): 51-53,57-59,63-65,69-71,147-149,153-155,159-161,165-167 NUMA node6 CPU(s): 72-74,78-80,84-86,90-92,168-170,174-176,180-182,186-188 NUMA node7 CPU(s): 75-77,81-83,87-89,93-95,171-173,177-179,183-185,189-191 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single intel_ppin ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm mpx rdt_a avx512f avx512dq rdseed adx smap clflushopt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local avx512_bf16 dtherm ida arat pln pts hwp hwp_act_window hwp_epp hwp_pkg_req pku ospke avx512_vnni md_clear flush_l1d arch_capabilities /proc/cpuinfo cache data cache size : 33792 KB From numactl --hardware WARNING: a numactl 'node' might or might not correspond to a physical chip. available: 8 nodes (0-7) node 0 cpus: 0 1 2 6 7 8 12 13 14 18 19 20 96 97 98 102 103 104 108 109 110 114 115 116 node 0 size: 95087 MB node 0 free: 94915 MB node 1 cpus: 3 4 5 9 10 11 15 16 17 21 22 23 99 100 101 105 106 107 111 112 113 117 118 119 node 1 size: 96762 MB node 1 free: 96614 MB node 2 cpus: 24 25 26 30 31 32 36 37 38 42 43 44 120 121 122 126 127 128 132 133 134 138 139 140 node 2 size: 96762 MB node 2 free: 96249 MB node 3 cpus: 27 28 29 33 34 35 39 40 41 45 46 47 123 124 125 129 130 131 135 136 137 141 142 143 node 3 size: 96762 MB node 3 free: 96172 MB node 4 cpus: 48 49 50 54 55 56 60 61 62 66 67 68 144 145 146 150 151 152 156 157 158 162 163 164 node 4 size: 96762 MB node 4 free: 96620 MB node 5 cpus: 51 52 53 57 58 59 63 64 65 69 70 71 147 148 149 153 154 155 159 160 161 165 166 167 node 5 size: 96762 MB node 5 free: 96618 MB node 6 cpus: 72 73 74 78 79 80 84 85 86 90 91 92 168 169 170 174 175 176 180 181 182 186 187 188 node 6 size: 96735 MB node 6 free: 96406 MB node 7 cpus: 75 76 77 81 82 83 87 88 89 93 94 95 171 172 173 177 178 179 183 184 185 189 190 191 node 7 size: 96760 MB node 7 free: 96595 MB node distances: node 0 1 2 3 4 5 6 7 0: 10 11 20 20 20 20 20 20 1: 11 10 20 20 20 20 20 20 2: 20 20 10 11 20 20 20 20 3: 20 20 11 10 20 20 20 20 4: 20 20 20 20 10 11 20 20 5: 20 20 20 20 11 10 20 20 6: 20 20 20 20 20 20 10 11 7: 20 20 20 20 20 20 11 10 From /proc/meminfo MemTotal: 790933404 kB HugePages_Total: 0 Hugepagesize: 2048 kB /sbin/tuned-adm active Current active profile: throughput-performance /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor has performance From /etc/*release* /etc/*version* os-release: NAME="Red Hat Enterprise Linux" VERSION="8.2 (Ootpa)" ID="rhel" ID_LIKE="fedora" VERSION_ID="8.2" PLATFORM_ID="platform:el8" PRETTY_NAME="Red Hat Enterprise Linux 8.2 (Ootpa)" ANSI_COLOR="0;31" redhat-release: Red Hat Enterprise Linux release 8.2 (Ootpa) system-release: Red Hat Enterprise Linux release 8.2 (Ootpa) system-release-cpe: cpe:/o:redhat:enterprise_linux:8.2:ga uname -a: Linux localhost.localdomain 4.18.0-193.el8.x86_64 #1 SMP Fri Mar 27 14:35:58 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Kernel self-reported vulnerability status: CVE-2018-12207 (iTLB Multihit): Not affected CVE-2018-3620 (L1 Terminal Fault): Not affected Microarchitectural Data Sampling: Not affected CVE-2017-5754 (Meltdown): Not affected CVE-2018-3639 (Speculative Store Bypass): Mitigation: Speculative Store Bypass disabled via prctl and seccomp CVE-2017-5753 (Spectre variant 1): Mitigation: usercopy/swapgs barriers and __user pointer sanitization CVE-2017-5715 (Spectre variant 2): Mitigation: Enhanced IBRS, IBPB: conditional, RSB filling CVE-2020-0543 (Special Register Buffer Data Sampling): No status reported CVE-2019-11135 (TSX Asynchronous Abort): Not affected run-level 3 Mar 9 20:05 SPEC is set to: /home/speccpu Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/rhel-home xfs 876G 249G 627G 29% /home From /sys/devices/virtual/dmi/id Product Family: SYSTEM_FAMILY Additional information from dmidecode follows. WARNING: Use caution when you interpret this section. The 'dmidecode' program reads system data which is "intended to allow hardware to be accurately determined", but the intent may not be met, as there are frequent changes to hardware, firmware, and the "DMTF SMBIOS" standard. Memory: 48x Micron 18ASF2G72PDZ-3G2E1 16 GB 2 rank 3200, configured at 2933 BIOS: BIOS Vendor: American Megatrends International, LLC. BIOS Version: 5.14 BIOS Date: 02/05/2021 BIOS Revision: 5.19 (End of data from sysinfo program) Compiler Version Notes ---------------------- ============================================================================== C | 500.perlbench_r(peak) 557.xz_r(peak) ------------------------------------------------------------------------------ Intel(R) C Intel(R) 64 Compiler Classic for applications running on Intel(R) 64, Version 2021.1 Build 20201112_000000 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== C | 502.gcc_r(peak) ------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on IA-32, Version 2021.1 Build 20201113 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== C | 500.perlbench_r(base) 502.gcc_r(base) 505.mcf_r(base, peak) | 525.x264_r(base, peak) 557.xz_r(base) ------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2021.1 Build 20201113 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== C | 500.perlbench_r(peak) 557.xz_r(peak) ------------------------------------------------------------------------------ Intel(R) C Intel(R) 64 Compiler Classic for applications running on Intel(R) 64, Version 2021.1 Build 20201112_000000 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== C | 502.gcc_r(peak) ------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on IA-32, Version 2021.1 Build 20201113 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== C | 500.perlbench_r(base) 502.gcc_r(base) 505.mcf_r(base, peak) | 525.x264_r(base, peak) 557.xz_r(base) ------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2021.1 Build 20201113 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== C | 500.perlbench_r(peak) 557.xz_r(peak) ------------------------------------------------------------------------------ Intel(R) C Intel(R) 64 Compiler Classic for applications running on Intel(R) 64, Version 2021.1 Build 20201112_000000 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== C | 502.gcc_r(peak) ------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on IA-32, Version 2021.1 Build 20201113 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== C | 500.perlbench_r(base) 502.gcc_r(base) 505.mcf_r(base, peak) | 525.x264_r(base, peak) 557.xz_r(base) ------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2021.1 Build 20201113 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== C++ | 520.omnetpp_r(base, peak) 523.xalancbmk_r(base, peak) | 531.deepsjeng_r(base, peak) 541.leela_r(base, peak) ------------------------------------------------------------------------------ Intel(R) oneAPI DPC++/C++ Compiler for applications running on Intel(R) 64, Version 2021.1 Build 20201113 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ ============================================================================== Fortran | 548.exchange2_r(base, peak) ------------------------------------------------------------------------------ Intel(R) Fortran Intel(R) 64 Compiler Classic for applications running on Intel(R) 64, Version 2021.1 Build 20201112_000000 Copyright (C) 1985-2020 Intel Corporation. All rights reserved. ------------------------------------------------------------------------------ Base Compiler Invocation ------------------------ C benchmarks: icx C++ benchmarks: icpx Fortran benchmarks: ifort Base Portability Flags ---------------------- 500.perlbench_r: -DSPEC_LP64 -DSPEC_LINUX_X64 502.gcc_r: -DSPEC_LP64 505.mcf_r: -DSPEC_LP64 520.omnetpp_r: -DSPEC_LP64 523.xalancbmk_r: -DSPEC_LP64 -DSPEC_LINUX 525.x264_r: -DSPEC_LP64 531.deepsjeng_r: -DSPEC_LP64 541.leela_r: -DSPEC_LP64 548.exchange2_r: -DSPEC_LP64 557.xz_r: -DSPEC_LP64 Base Optimization Flags ----------------------- C benchmarks: -w -std=c11 -m64 -Wl,-z,muldefs -xCORE-AVX512 -O3 -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -mbranches-within-32B-boundaries -L/opt/intel/oneapi/compiler/2021.1.1/linux/compiler/lib/intel64_lin -lqkmalloc C++ benchmarks: -w -m64 -Wl,-z,muldefs -xCORE-AVX512 -O3 -ffast-math -flto -mfpmath=sse -funroll-loops -qopt-mem-layout-trans=4 -mbranches-within-32B-boundaries -L/opt/intel/oneapi/compiler/2021.1.1/linux/compiler/lib/intel64_lin -lqkmalloc Fortran benchmarks: -w -m64 -Wl,-z,muldefs -xCORE-AVX512 -O3 -ipo -no-prec-div -qopt-mem-layout-trans=4 -nostandard-realloc-lhs -align array32byte -auto -mbranches-within-32B-boundaries -L/opt/intel/oneapi/compiler/2021.1.1/linux/compiler/lib/intel64_lin -lqkmalloc Peak Compiler Invocation ------------------------ C benchmarks (except as noted below): icx 500.perlbench_r: icc 557.xz_r: icc C++ benchmarks: icpx Fortran benchmarks: ifort Peak Portability Flags ---------------------- 500.perlbench_r: -DSPEC_LP64 -DSPEC_LINUX_X64 502.gcc_r: -D_FILE_OFFSET_BITS=64 505.mcf_r: -DSPEC_LP64 520.omnetpp_r: -DSPEC_LP64 523.xalancbmk_r: -DSPEC_LP64 -DSPEC_LINUX 525.x264_r: -DSPEC_LP64 531.deepsjeng_r: -DSPEC_LP64 541.leela_r: -DSPEC_LP64 548.exchange2_r: -DSPEC_LP64 557.xz_r: -DSPEC_LP64 Peak Optimization Flags ----------------------- C benchmarks: 500.perlbench_r: -Wl,-z,muldefs -prof-gen(pass 1) -prof-use(pass 2) -xCORE-AVX512 -ipo -O3 -no-prec-div -qopt-mem-layout-trans=4 -fno-strict-overflow -mbranches-within-32B-boundaries -L/opt/intel/oneapi/compiler/2021.1.1/linux/compiler/lib/intel64_lin -lqkmalloc 502.gcc_r: -m32 -L/opt/intel/oneapi/compiler/2021.1.1/linux/compiler/lib/ia32_lin -std=gnu89 -Wl,-z,muldefs -fprofile-generate(pass 1) -fprofile-use=default.profdata(pass 2) -xCORE-AVX512 -flto -Ofast(pass 1) -O3 -ffast-math -qopt-mem-layout-trans=4 -mbranches-within-32B-boundaries -L/usr/local/jemalloc32-5.0.1/lib -ljemalloc 505.mcf_r: basepeak = yes 525.x264_r: -w -std=c11 -m64 -Wl,-z,muldefs -xCORE-AVX512 -flto -O3 -ffast-math -qopt-mem-layout-trans=4 -fno-alias -mbranches-within-32B-boundaries -L/opt/intel/oneapi/compiler/2021.1.1/linux/compiler/lib/intel64_lin -lqkmalloc 557.xz_r: -Wl,-z,muldefs -xCORE-AVX512 -ipo -O3 -no-prec-div -qopt-mem-layout-trans=4 -mbranches-within-32B-boundaries -L/opt/intel/oneapi/compiler/2021.1.1/linux/compiler/lib/intel64_lin -lqkmalloc C++ benchmarks: 520.omnetpp_r: basepeak = yes 523.xalancbmk_r: basepeak = yes 531.deepsjeng_r: basepeak = yes 541.leela_r: basepeak = yes Fortran benchmarks: 548.exchange2_r: basepeak = yes The flags files that were used to format this result can be browsed at http://www.spec.org/cpu2017/flags/Intel-ic2021-official-linux64_revA.html http://www.spec.org/cpu2017/flags/New_H3C-Platform-Settings-V1.0-CPX-RevB.html You can also download the XML flags sources by saving the following links: http://www.spec.org/cpu2017/flags/Intel-ic2021-official-linux64_revA.xml http://www.spec.org/cpu2017/flags/New_H3C-Platform-Settings-V1.0-CPX-RevB.xml SPEC CPU and SPECrate are registered trademarks of the Standard Performance Evaluation Corporation. All other brand and product names appearing in this result are trademarks or registered trademarks of their respective holders. ---------------------------------------------------------------------------------------------------------------------------------- For questions about this result, please contact the tester. For other inquiries, please contact info@spec.org. Copyright 2017-2021 Standard Performance Evaluation Corporation Tested with SPEC CPU(R)2017 v1.1.5 on 2021-03-09 07:13:51-0500. Report generated on 2021-03-30 15:31:16 by CPU2017 text formatter v6255. Originally published on 2021-03-30.