SPEC CPU®2017 Floating Point Speed Result

Copyright 2017-2023 Standard Performance Evaluation Corporation

Dell Inc.

PowerEdge R6625 (AMD EPYC 9554 64-Core Processor)

SPECspeed®2017_fp_base = 41000

SPECspeed®2017_fp_peak = Not Run

CPU2017 License: 6573 Test Date: Dec-2022
Test Sponsor: Dell Inc. Hardware Availability: Feb-2023
Tested by: Dell Inc. Software Availability: Nov-2022

Benchmark result graphs are available in the PDF report.

Hardware
CPU Name: AMD EPYC 9554
  Max MHz: 3750
  Nominal: 3100
Enabled: 128 cores, 2 chips
Orderable: 1,2 chips
Cache L1: 32 KB I + 32 KB D on chip per core
  L2: 1 MB I+D on chip per core
  L3: 256 MB I+D on chip per chip, 32 MB shared / 8
cores
  Other: None
Memory: 1536 GB (24 x 64 GB 2Rx4 PC5-4800B-R)
Storage: 125 GB on tmpfs
Other: None
Software
OS: Ubuntu 22.04.1 LTS
5.15.0-46-generic
Compiler: C/C++/Fortran: Version 4.0.0 of AOCC
Parallel: Yes
Firmware: Version 1.1.0 released Nov-2022
File System: tmpfs
System State: Run level 3 (multi-user)
Base Pointers: 64-bit
Peak Pointers: Not Applicable
Other: None
Power Management: BIOS and OS set to prefer performance
at the cost of additional power usage.

Results Table

Benchmark Base Peak
Threads Seconds Ratio Seconds Ratio Seconds Ratio Threads Seconds Ratio Seconds Ratio Seconds Ratio
SPECspeed®2017_fp_base 41000
SPECspeed®2017_fp_peak Not Run
Results appear in the order in which they were run. Bold underlined text indicates a median measurement.
603.bwaves_s 128 34.3 17200 34.3 17200
607.cactuBSSN_s 128 26.3 6340 26.3 6350
619.lbm_s 128 19.7 2660 19.7 2660
621.wrf_s 128 74.5 1780 74.7 1770
627.cam4_s 128 32.1 2760 32.0 2770
628.pop2_s 128 1240 95.6 1240 95.5
638.imagick_s 128 20.4 7060 20.4 7070
644.nab_s 128 19.2 9090 19.2 9080
649.fotonik3d_s 128 42.6 2140 42.6 2140
654.roms_s 128 21.6 7280 21.5 7340

Compiler Notes

The AMD64 AOCC Compiler Suite is available at
http://developer.amd.com/amd-aocc/

Submit Notes

The config file option 'submit' was used.
'numactl' was used to bind copies to the cores.
See the configuration file for details.

Operating System Notes

'ulimit -s unlimited' was used to set environment stack size limit
'ulimit -l 2097152' was used to set environment locked pages in memory limit

runcpu command invoked through numactl i.e.:
numactl --interleave=all runcpu <etc>

To limit dirty cache to 8% of memory, 'sysctl -w vm.dirty_ratio=8' run as root.
To limit swap usage to minimum necessary, 'sysctl -w vm.swappiness=1' run as root.
To free node-local memory and avoid remote memory usage,
'sysctl -w vm.zone_reclaim_mode=1' run as root.
To clear filesystem caches, 'sync; sysctl -w vm.drop_caches=3' run as root.
To disable address space layout randomization (ASLR) to reduce run-to-run
variability, 'sysctl -w kernel.randomize_va_space=0' run as root.

To enable Transparent Hugepages (THP) for all allocations,
'echo always > /sys/kernel/mm/transparent_hugepage/enabled' and
'echo always > /sys/kernel/mm/transparent_hugepage/defrag' run as root.
To always enable THP for peak runs of:
603.bwaves_s, 607.cactuBSSN_s, 619.lbm_s, 627.cam4_s, 628.pop2_s, 638.imagick_s, 644.nab_s, 649.fotonik3d_s:
'echo madvise > /sys/kernel/mm/transparent_hugepage/enabled; echo always > /sys/kernel/mm/transparent_hugepage/defrag'
run as root.
To disable THP for peak runs of 621.wrf_s:
'echo never > /sys/kernel/mm/transparent_hugepage/enabled; echo always > /sys/kernel/mm/transparent_hugepage/defrag'
run as root.
To enable THP only on request for peak runs of 654.roms_s:
'echo madvise > /sys/kernel/mm/transparent_hugepage/enabled; echo madvise > /sys/kernel/mm/transparent_hugepage/defrag'
run as root.

Environment Variables Notes

Environment variables set by runcpu before the start of the run:
GOMP_CPU_AFFINITY = "0-127"
LD_LIBRARY_PATH =
     "/mnt/ramdisk/cpu2017-1.1.8-aocc400-B1b/amd_speed_aocc400_genoa_B_lib/li
     b:"
LIBOMP_NUM_HIDDEN_HELPER_THREADS = "0"
MALLOC_CONF = "oversize_threshold:0,retain:true"
OMP_DYNAMIC = "false"
OMP_SCHEDULE = "static"
OMP_STACKSIZE = "128M"
OMP_THREAD_LIMIT = "128"

General Notes

Binaries were compiled on a system with 2x AMD EPYC 9174F CPU + 1.5TiB Memory using RHEL 8.6

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.


 Benchmark run from a 125 GB ramdisk created with the cmd: "mount -t tmpfs -o size=125G tmpfs /mnt/ramdisk"

Platform Notes


 BIOS settings:
             DRAM Refresh Delay : Performance
         DIMM Self Healing on
     Uncorrectable Memory Error : Disabled
              Logical Processor : Disabled
      Virtualization Technology : Disabled
        L3 Cache as NUMA Domain : Enabled

                 System Profile : Custom
                       C-States : Disabled
            Memory Patrol Scrub : Disabled
            PCI ASPM L1 Link
               Power Management : Disabled
             Determinism Slider : Power Determinism
       Algorithm Performance
         Boost Disable (ApbDis) : Enabled

 Sysinfo program /mnt/ramdisk/cpu2017-1.1.8-aocc400-B1b/bin/sysinfo
 Rev: r6622 of 2021-04-07 982a61ec0915b55891ef0e16acafc64d
 running on genoa-sut Thu Dec  8 02:08:12 2022

 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 : AMD EPYC 9554 64-Core Processor
       2  "physical id"s (chips)
       128 "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 : 64
       siblings  : 64
       physical 0: cores 0 1 2 3 4 5 6 7 16 17 18 19 20 21 22 23 32 33 34 35 36 37 38 39
       48 49 50 51 52 53 54 55 64 65 66 67 68 69 70 71 80 81 82 83 84 85 86 87 96 97 98 99
       100 101 102 103 112 113 114 115 116 117 118 119
       physical 1: cores 0 1 2 3 4 5 6 7 16 17 18 19 20 21 22 23 32 33 34 35 36 37 38 39
       48 49 50 51 52 53 54 55 64 65 66 67 68 69 70 71 80 81 82 83 84 85 86 87 96 97 98 99
       100 101 102 103 112 113 114 115 116 117 118 119

 From lscpu from util-linux 2.37.2:
      Architecture:                    x86_64
      CPU op-mode(s):                  32-bit, 64-bit
      Address sizes:                   52 bits physical, 57 bits virtual
      Byte Order:                      Little Endian
      CPU(s):                          128
      On-line CPU(s) list:             0-127
      Vendor ID:                       AuthenticAMD
      Model name:                      AMD EPYC 9554 64-Core Processor
      CPU family:                      25
      Model:                           17
      Thread(s) per core:              1
      Core(s) per socket:              64
      Socket(s):                       2
      Stepping:                        1
      Frequency boost:                 enabled
      CPU max MHz:                     3764.0000
      CPU min MHz:                     400.0000
      BogoMIPS:                        6201.65
      Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtrr
      pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt
      pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid
      aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe
      popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a
      misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb
      bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 invpcid_single hw_pstate ssbd mba ibrs
      ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 erms invpcid cqm rdt_a avx512f
      avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw
      avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total
      cqm_mbm_local avx512_bf16 clzero irperf xsaveerptr rdpru wbnoinvd amd_ppin cppc arat
      npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists
      pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl avx512vbmi umip pku
      ospke avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq
      la57 rdpid overflow_recov succor smca fsrm flush_l1d
      Virtualization:                  AMD-V
      L1d cache:                       4 MiB (128 instances)
      L1i cache:                       4 MiB (128 instances)
      L2 cache:                        128 MiB (128 instances)
      L3 cache:                        512 MiB (16 instances)
      NUMA node(s):                    16
      NUMA node0 CPU(s):               0-7
      NUMA node1 CPU(s):               32-39
      NUMA node2 CPU(s):               16-23
      NUMA node3 CPU(s):               48-55
      NUMA node4 CPU(s):               24-31
      NUMA node5 CPU(s):               56-63
      NUMA node6 CPU(s):               8-15
      NUMA node7 CPU(s):               40-47
      NUMA node8 CPU(s):               64-71
      NUMA node9 CPU(s):               96-103
      NUMA node10 CPU(s):              80-87
      NUMA node11 CPU(s):              112-119
      NUMA node12 CPU(s):              88-95
      NUMA node13 CPU(s):              120-127
      NUMA node14 CPU(s):              72-79
      NUMA node15 CPU(s):              104-111
      Vulnerability Itlb multihit:     Not affected
      Vulnerability L1tf:              Not affected
      Vulnerability Mds:               Not affected
      Vulnerability Meltdown:          Not affected
      Vulnerability Mmio stale data:   Not affected
      Vulnerability Retbleed:          Not affected
      Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via
      prctl and seccomp
      Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user
      pointer sanitization
      Vulnerability Spectre v2:        Mitigation; Retpolines, IBPB conditional, IBRS_FW,
      STIBP disabled, RSB filling
      Vulnerability Srbds:             Not affected
      Vulnerability Tsx async abort:   Not affected

 From lscpu --cache:
      NAME ONE-SIZE ALL-SIZE WAYS TYPE        LEVEL  SETS PHY-LINE COHERENCY-SIZE
      L1d       32K       4M    8 Data            1    64        1             64
      L1i       32K       4M    8 Instruction     1    64        1             64
      L2         1M     128M    8 Unified         2  2048        1             64
      L3        32M     512M   16 Unified         3 32768        1             64

 /proc/cpuinfo cache data
    cache size : 1024 KB

 From numactl --hardware
 WARNING: a numactl 'node' might or might not correspond to a physical chip.
   available: 16 nodes (0-15)
   node 0 cpus: 0 1 2 3 4 5 6 7
   node 0 size: 96312 MB
   node 0 free: 95944 MB
   node 1 cpus: 32 33 34 35 36 37 38 39
   node 1 size: 96765 MB
   node 1 free: 95672 MB
   node 2 cpus: 16 17 18 19 20 21 22 23
   node 2 size: 96765 MB
   node 2 free: 92972 MB
   node 3 cpus: 48 49 50 51 52 53 54 55
   node 3 size: 96765 MB
   node 3 free: 96466 MB
   node 4 cpus: 24 25 26 27 28 29 30 31
   node 4 size: 96765 MB
   node 4 free: 96423 MB
   node 5 cpus: 56 57 58 59 60 61 62 63
   node 5 size: 96745 MB
   node 5 free: 96450 MB
   node 6 cpus: 8 9 10 11 12 13 14 15
   node 6 size: 96730 MB
   node 6 free: 96387 MB
   node 7 cpus: 40 41 42 43 44 45 46 47
   node 7 size: 96765 MB
   node 7 free: 96442 MB
   node 8 cpus: 64 65 66 67 68 69 70 71
   node 8 size: 96765 MB
   node 8 free: 96617 MB
   node 9 cpus: 96 97 98 99 100 101 102 103
   node 9 size: 96765 MB
   node 9 free: 96612 MB
   node 10 cpus: 80 81 82 83 84 85 86 87
   node 10 size: 96765 MB
   node 10 free: 96620 MB
   node 11 cpus: 112 113 114 115 116 117 118 119
   node 11 size: 96765 MB
   node 11 free: 96610 MB
   node 12 cpus: 88 89 90 91 92 93 94 95
   node 12 size: 96765 MB
   node 12 free: 96632 MB
   node 13 cpus: 120 121 122 123 124 125 126 127
   node 13 size: 96736 MB
   node 13 free: 96587 MB
   node 14 cpus: 72 73 74 75 76 77 78 79
   node 14 size: 96765 MB
   node 14 free: 96622 MB
   node 15 cpus: 104 105 106 107 108 109 110 111
   node 15 size: 96765 MB
   node 15 free: 96595 MB
   node distances:
   node   0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15
     0:  10  11  11  11  11  11  11  11  32  32  32  32  32  32  32  32
     1:  11  10  11  11  11  11  11  11  32  32  32  32  32  32  32  32
     2:  11  11  10  11  11  11  11  11  32  32  32  32  32  32  32  32
     3:  11  11  11  10  11  11  11  11  32  32  32  32  32  32  32  32
     4:  11  11  11  11  10  11  11  11  32  32  32  32  32  32  32  32
     5:  11  11  11  11  11  10  11  11  32  32  32  32  32  32  32  32
     6:  11  11  11  11  11  11  10  11  32  32  32  32  32  32  32  32
     7:  11  11  11  11  11  11  11  10  32  32  32  32  32  32  32  32
     8:  32  32  32  32  32  32  32  32  10  11  11  11  11  11  11  11
     9:  32  32  32  32  32  32  32  32  11  10  11  11  11  11  11  11
    10:  32  32  32  32  32  32  32  32  11  11  10  11  11  11  11  11
    11:  32  32  32  32  32  32  32  32  11  11  11  10  11  11  11  11
    12:  32  32  32  32  32  32  32  32  11  11  11  11  10  11  11  11
    13:  32  32  32  32  32  32  32  32  11  11  11  11  11  10  11  11
    14:  32  32  32  32  32  32  32  32  11  11  11  11  11  11  10  11
    15:  32  32  32  32  32  32  32  32  11  11  11  11  11  11  11  10

 From /proc/meminfo
    MemTotal:       1584860860 kB
    HugePages_Total:       0
    Hugepagesize:       2048 kB

 /sbin/tuned-adm active
     Current active profile: latency-performance

 /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor has
    performance

 /usr/bin/lsb_release -d
    Ubuntu 22.04.1 LTS

 From /etc/*release* /etc/*version*
    debian_version: bookworm/sid
    os-release:
       PRETTY_NAME="Ubuntu 22.04.1 LTS"
       NAME="Ubuntu"
       VERSION_ID="22.04"
       VERSION="22.04.1 LTS (Jammy Jellyfish)"
       VERSION_CODENAME=jammy
       ID=ubuntu
       ID_LIKE=debian
       HOME_URL="https://www.ubuntu.com/"

 uname -a:
    Linux genoa-sut 5.15.0-46-generic #49-Ubuntu SMP Thu Aug 4 18:03:25 UTC 2022 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
 mmio_stale_data:                                       Not affected
 retbleed:                                              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: Retpolines, IBPB:
                                                        conditional, IBRS_FW, STIBP:
                                                        disabled, RSB filling
 CVE-2020-0543 (Special Register Buffer Data Sampling): Not affected
 CVE-2019-11135 (TSX Asynchronous Abort):               Not affected

 run-level 3 Dec 8 00:57

 SPEC is set to: /mnt/ramdisk/cpu2017-1.1.8-aocc400-B1b
    Filesystem     Type   Size  Used Avail Use% Mounted on
    tmpfs          tmpfs  125G  3.4G  122G   3% /mnt/ramdisk

 From /sys/devices/virtual/dmi/id
     Vendor:         Dell Inc.
     Product:        PowerEdge R6625
     Product Family: PowerEdge
     Serial:         BGP4016

 Additional information from dmidecode 3.3 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:
     24x 802C0000802C MTC40F2046S1RC48BA1 64 GB 2 rank 4800

 BIOS:
    BIOS Vendor:       Dell Inc.
    BIOS Version:      1.1.0
    BIOS Date:         11/25/2022
    BIOS Revision:     1.1

 (End of data from sysinfo program)

Compiler Version Notes

==============================================================================
C               | 619.lbm_s(base) 638.imagick_s(base) 644.nab_s(base)
------------------------------------------------------------------------------
AMD clang version 14.0.6 (CLANG: AOCC_4.0.0-Build#389 2022_10_07) (based on
  LLVM Mirror.Version.14.0.6)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-4.0-3206-389/bin
------------------------------------------------------------------------------

==============================================================================
C++, C, Fortran | 607.cactuBSSN_s(base)
------------------------------------------------------------------------------
AMD clang version 14.0.6 (CLANG: AOCC_4.0.0-Build#389 2022_10_07) (based on
  LLVM Mirror.Version.14.0.6)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-4.0-3206-389/bin
AMD clang version 14.0.6 (CLANG: AOCC_4.0.0-Build#389 2022_10_07) (based on
  LLVM Mirror.Version.14.0.6)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-4.0-3206-389/bin
AMD clang version 14.0.6 (CLANG: AOCC_4.0.0-Build#389 2022_10_07) (based on
  LLVM Mirror.Version.14.0.6)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-4.0-3206-389/bin
------------------------------------------------------------------------------

==============================================================================
Fortran         | 603.bwaves_s(base) 649.fotonik3d_s(base) 654.roms_s(base)
------------------------------------------------------------------------------
AMD clang version 14.0.6 (CLANG: AOCC_4.0.0-Build#389 2022_10_07) (based on
  LLVM Mirror.Version.14.0.6)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-4.0-3206-389/bin
------------------------------------------------------------------------------

==============================================================================
Fortran, C      | 621.wrf_s(base) 627.cam4_s(base) 628.pop2_s(base)
------------------------------------------------------------------------------
AMD clang version 14.0.6 (CLANG: AOCC_4.0.0-Build#389 2022_10_07) (based on
  LLVM Mirror.Version.14.0.6)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-4.0-3206-389/bin
AMD clang version 14.0.6 (CLANG: AOCC_4.0.0-Build#389 2022_10_07) (based on
  LLVM Mirror.Version.14.0.6)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/AMD/aocc/aocc-compiler-rel-4.0-3206-389/bin
------------------------------------------------------------------------------

Base Compiler Invocation

C benchmarks:

 clang 

Fortran benchmarks:

 flang 

Benchmarks using both Fortran and C:

 flang   clang 

Benchmarks using Fortran, C, and C++:

 clang++   clang   flang 

Base Portability Flags

603.bwaves_s:  -DSPEC_LP64 
607.cactuBSSN_s:  -DSPEC_LP64 
619.lbm_s:  -DSPEC_LP64 
621.wrf_s:  -DSPEC_CASE_FLAG   -Mbyteswapio   -DSPEC_LP64 
627.cam4_s:  -DSPEC_CASE_FLAG   -DSPEC_LP64 
628.pop2_s:  -DSPEC_CASE_FLAG   -Mbyteswapio   -DSPEC_LP64 
638.imagick_s:  -DSPEC_LP64 
644.nab_s:  -DSPEC_LP64 
649.fotonik3d_s:  -DSPEC_LP64 
654.roms_s:  -DSPEC_LP64 

Base Optimization Flags

C benchmarks:

 -m64   -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6   -Wl,-mllvm -Wl,-reduce-array-computations=3   -O3   -march=znver4   -fveclib=AMDLIBM   -ffast-math   -fopenmp   -flto   -fstruct-layout=7   -mllvm -unroll-threshold=50   -mllvm -inline-threshold=1000   -fremap-arrays   -fstrip-mining   -mllvm -reduce-array-computations=3   -DSPEC_OPENMP   -zopt   -fopenmp=libomp   -lomp   -lamdlibm   -lamdalloc   -lflang 

Fortran benchmarks:

 -m64   -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6   -Wl,-mllvm -Wl,-reduce-array-computations=3   -Wl,-mllvm -Wl,-enable-X86-prefetching   -DSPEC_OPENMP   -O3   -march=znver4   -fveclib=AMDLIBM   -ffast-math   -fopenmp   -flto   -Mrecursive   -funroll-loops   -mllvm -lsr-in-nested-loop   -mllvm -reduce-array-computations=3   -zopt   -fopenmp=libomp   -lomp   -lamdlibm   -lamdalloc   -lflang 

Benchmarks using both Fortran and C:

 -m64   -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6   -Wl,-mllvm -Wl,-reduce-array-computations=3   -Wl,-mllvm -Wl,-enable-X86-prefetching   -O3   -march=znver4   -fveclib=AMDLIBM   -ffast-math   -fopenmp   -flto   -fstruct-layout=7   -mllvm -unroll-threshold=50   -mllvm -inline-threshold=1000   -fremap-arrays   -fstrip-mining   -mllvm -reduce-array-computations=3   -DSPEC_OPENMP   -zopt   -Mrecursive   -funroll-loops   -mllvm -lsr-in-nested-loop   -fopenmp=libomp   -lomp   -lamdlibm   -lamdalloc   -lflang 

Benchmarks using Fortran, C, and C++:

 -m64   -Wl,-mllvm -Wl,-align-all-nofallthru-blocks=6   -Wl,-mllvm -Wl,-reduce-array-computations=3   -Wl,-mllvm -Wl,-x86-use-vzeroupper=false   -O3   -march=znver4   -fveclib=AMDLIBM   -ffast-math   -fopenmp   -flto   -fstruct-layout=7   -mllvm -unroll-threshold=50   -mllvm -inline-threshold=1000   -fremap-arrays   -fstrip-mining   -mllvm -reduce-array-computations=3   -DSPEC_OPENMP   -zopt   -mllvm -unroll-threshold=100   -finline-aggressive   -mllvm -loop-unswitch-threshold=200000   -Mrecursive   -funroll-loops   -mllvm -lsr-in-nested-loop   -fopenmp=libomp   -lomp   -lamdlibm   -lamdalloc   -lflang 

Base Other Flags

C benchmarks:

 -Wno-return-type   -Wno-unused-command-line-argument 

Fortran benchmarks:

 -Wno-unused-command-line-argument 

Benchmarks using both Fortran and C:

 -Wno-return-type   -Wno-unused-command-line-argument 

Benchmarks using Fortran, C, and C++:

 -Wno-return-type   -Wno-unused-command-line-argument 

The flags files that were used to format this result can be browsed at
http://www.spec.org/cpu2017/flags/aocc400-flags.html,
http://www.spec.org/cpu2017/flags/Dell-Platform-Flags-PowerEdge-AMD-EPYC-v1.0.html.

You can also download the XML flags sources by saving the following links:
http://www.spec.org/cpu2017/flags/aocc400-flags.xml,
http://www.spec.org/cpu2017/flags/Dell-Platform-Flags-PowerEdge-AMD-EPYC-v1.0.xml.