SPEC CPU®2017 Floating Point Speed Result

Copyright 2017-2020 Standard Performance Evaluation Corporation

Hewlett Packard Enterprise (Test Sponsor: HPE)

ProLiant DL385 Gen10 Plus
(2.30 GHz, AMD EPYC 7642)

SPECspeed®2017_fp_base = 17500

SPECspeed®2017_fp_peak = 17600

CPU2017 License: 3 Test Date: Feb-2020
Test Sponsor: HPE Hardware Availability: Dec-2019
Tested by: HPE Software Availability: Aug-2019

Benchmark result graphs are available in the PDF report.

Hardware
CPU Name: AMD EPYC 7642
  Max MHz: 3300
  Nominal: 2300
Enabled: 96 cores, 2 chips
Orderable: 1, 2 chips
Cache L1: 32 KB I + 32 KB D on chip per core
  L2: 512 KB I+D on chip per core
  L3: 256 MB I+D on chip per chip,
16 MB shared / 3 cores
  Other: None
Memory: 1 TB (16 x 64 GB 2Rx4 PC4-3200AA-R)
Storage: 1 x 800 GB SAS SSD, RAID 0
Other: None
Software
OS: SUSE Linux Enterprise Server 15 (x86_64) SP1
Kernel 4.12.14-195-default
Compiler: C/C++/Fortran: Version 2.0.0 of AOCC
Parallel: Yes
Firmware: HPE BIOS Version A42 12/12/2019 released Dec-2019
File System: btrfs
System State: Run level 3 (multi-user)
Base Pointers: 64-bit
Peak Pointers: 64-bit
Other: jemalloc: jemalloc memory allocator library v5.2.0
Power Management: BIOS 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 17500
SPECspeed®2017_fp_peak 17600
Results appear in the order in which they were run. Bold underlined text indicates a median measurement.
603.bwaves_s 96 92.4 6390 92.5 6380 94.4 6250 96 92.4 6390 92.5 6380 94.4 6250
607.cactuBSSN_s 96 60.3 2760 61.1 2730 61.0 2730 96 60.3 2760 61.1 2730 61.0 2730
619.lbm_s 96 83.1 63.1 83.6 62.6 83.5 62.8 96 83.1 63.1 83.6 62.6 83.5 62.8
621.wrf_s 96 1140 1160 1300 1020 1500 87.9 96 1140 1160 1300 1020 1500 87.9
627.cam4_s 96 73.5 1210 73.5 1210 74.3 1190 96 73.5 1210 73.5 1210 74.3 1190
628.pop2_s 96 1880 63.2 2010 59.2 1950 60.8 96 1910 62.0 1910 62.1 1890 62.7
638.imagick_s 96 48.9 2950 49.6 2910 49.0 2940 96 48.5 2970 49.1 2940 49.0 2940
644.nab_s 96 43.5 4010 43.6 4010 43.5 4020 96 43.5 4010 43.6 4010 43.5 4020
649.fotonik3d_s 96 1010 90.2 1000 90.8 1010 89.8 96 1010 90.2 1000 90.8 1010 89.8
654.roms_s 96 50.0 3150 49.7 3170 50.2 3130 96 49.5 3180 49.7 3170 49.7 3170

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
'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>

Set dirty_ratio=8 to limit dirty cache to 8% of memory
Set swappiness=1 to swap only if necessary
Set zone_reclaim_mode=1 to free local node memory and avoid remote memory
sync then drop_caches=3 to reset caches before invoking runcpu

dirty_ratio, swappiness, zone_reclaim_mode and drop_caches were
all set using privileged echo (e.g. echo 1 > /proc/sys/vm/swappiness).

Transparent huge pages set to 'always' for this run (OS default)

Environment Variables Notes

Environment variables set by runcpu before the start of the run:
GOMP_CPU_AFFINITY = "0-95"
LD_LIBRARY_PATH =
     "/home/cpu2017-bbn/amd_speed_aocc200_rome_C_lib/64;/home/cpu2017-bbn/amd
     _speed_aocc200_rome_C_lib/32:"
MALLOC_CONF = "retain:true"
OMP_DYNAMIC = "false"
OMP_SCHEDULE = "static"
OMP_STACKSIZE = "128M"
OMP_THREAD_LIMIT = "96"

Environment variables set by runcpu during the 628.pop2_s peak run:
GOMP_CPU_AFFINITY = "0-95"

Environment variables set by runcpu during the 638.imagick_s peak run:
GOMP_CPU_AFFINITY = "0-95"

Environment variables set by runcpu during the 654.roms_s peak run:
GOMP_CPU_AFFINITY = "0-95"

General Notes

Binaries were compiled on a system with 2x AMD EPYC 7601 CPU + 512GB Memory using Fedora 26

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.


jemalloc: configured and built with GCC v9.1.0 in Ubuntu 19.04 with -O3 -znver2 -flto
jemalloc 5.2.0 is available here:
https://github.com/jemalloc/jemalloc/releases/download/5.2.0/jemalloc-5.2.0.tar.bz2

Platform Notes

BIOS Configuration
 Thermal Configuration set to Maximum Cooling
 AMD SMT Mode set to Disabled
 Determinism Control set to Manual
 Performance Determinism set to Power Deterministic
 Minimum Processor Idle Power core C-State set to C6 State
 Memory Patrol Scrubbing set to Disabled
 Workload Profile set to General Peak Frequency Compute
 NUMA memory domains per socket set to One memory domain per socket
 Power Regulator Set to OS Control Mode

 Sysinfo program /home/cpu2017-bbn/bin/sysinfo
 Rev: r6365 of 2019-08-21 295195f888a3d7edb1e6e46a485a0011
 running on linux-30t0 Fri Feb 15 01:10:41 2019

 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 7642 48-Core Processor
       2  "physical id"s (chips)
       96 "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 : 48
       siblings  : 48
       physical 0: cores 0 1 2 4 5 6 8 9 10 12 13 14 16 17 18 20 21 22 24 25 26 28 29 30
       32 33 34 36 37 38 40 41 42 44 45 46 48 49 50 52 53 54 56 57 58 60 61 62
       physical 1: cores 0 1 2 4 5 6 8 9 10 12 13 14 16 17 18 20 21 22 24 25 26 28 29 30
       32 33 34 36 37 38 40 41 42 44 45 46 48 49 50 52 53 54 56 57 58 60 61 62

 From lscpu:
      Architecture:        x86_64
      CPU op-mode(s):      32-bit, 64-bit
      Byte Order:          Little Endian
      Address sizes:       48 bits physical, 48 bits virtual
      CPU(s):              96
      On-line CPU(s) list: 0-95
      Thread(s) per core:  1
      Core(s) per socket:  48
      Socket(s):           2
      NUMA node(s):        8
      Vendor ID:           AuthenticAMD
      CPU family:          23
      Model:               49
      Model name:          AMD EPYC 7642 48-Core Processor
      Stepping:            0
      CPU MHz:             2300.000
      CPU max MHz:         2300.0000
      CPU min MHz:         1500.0000
      BogoMIPS:            4591.72
      Virtualization:      AMD-V
      L1d cache:           32K
      L1i cache:           32K
      L2 cache:            512K
      L3 cache:            16384K
      NUMA node0 CPU(s):   0-11
      NUMA node1 CPU(s):   12-23
      NUMA node2 CPU(s):   24-35
      NUMA node3 CPU(s):   36-47
      NUMA node4 CPU(s):   48-59
      NUMA node5 CPU(s):   60-71
      NUMA node6 CPU(s):   72-83
      NUMA node7 CPU(s):   84-95
      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 xtopology nonstop_tsc cpuid extd_apicid aperfmperf pni
      pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 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_l2 mwaitx cpb
      cat_l3 cdp_l3 hw_pstate ssbd ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2
      cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves
      cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr arat npt
      lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter
      pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca

 /proc/cpuinfo cache data
    cache size : 512 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 3 4 5 6 7 8 9 10 11
   node 0 size: 128709 MB
   node 0 free: 128584 MB
   node 1 cpus: 12 13 14 15 16 17 18 19 20 21 22 23
   node 1 size: 129020 MB
   node 1 free: 128897 MB
   node 2 cpus: 24 25 26 27 28 29 30 31 32 33 34 35
   node 2 size: 129020 MB
   node 2 free: 128927 MB
   node 3 cpus: 36 37 38 39 40 41 42 43 44 45 46 47
   node 3 size: 129008 MB
   node 3 free: 128885 MB
   node 4 cpus: 48 49 50 51 52 53 54 55 56 57 58 59
   node 4 size: 129020 MB
   node 4 free: 128836 MB
   node 5 cpus: 60 61 62 63 64 65 66 67 68 69 70 71
   node 5 size: 129020 MB
   node 5 free: 128854 MB
   node 6 cpus: 72 73 74 75 76 77 78 79 80 81 82 83
   node 6 size: 129020 MB
   node 6 free: 128903 MB
   node 7 cpus: 84 85 86 87 88 89 90 91 92 93 94 95
   node 7 size: 128989 MB
   node 7 free: 128747 MB
   node distances:
   node   0   1   2   3   4   5   6   7
     0:  10  12  12  12  32  32  32  32
     1:  12  10  12  12  32  32  32  32
     2:  12  12  10  12  32  32  32  32
     3:  12  12  12  10  32  32  32  32
     4:  32  32  32  32  10  12  12  12
     5:  32  32  32  32  12  10  12  12
     6:  32  32  32  32  12  12  10  12
     7:  32  32  32  32  12  12  12  10

 From /proc/meminfo
    MemTotal:       1056573920 kB
    HugePages_Total:       0
    Hugepagesize:       2048 kB

 From /etc/*release* /etc/*version*
    os-release:
       NAME="SLES"
       VERSION="15-SP1"
       VERSION_ID="15.1"
       PRETTY_NAME="SUSE Linux Enterprise Server 15 SP1"
       ID="sles"
       ID_LIKE="suse"
       ANSI_COLOR="0;32"
       CPE_NAME="cpe:/o:suse:sles:15:sp1"

 uname -a:
    Linux linux-30t0 4.12.14-195-default #1 SMP Tue May 7 10:55:11 UTC 2019 (8fba516)
    x86_64 x86_64 x86_64 GNU/Linux

 Kernel self-reported vulnerability status:

 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: __user pointer sanitization
 CVE-2017-5715 (Spectre variant 2):        Mitigation: Full AMD retpoline, IBPB:
                                           conditional, IBRS_FW, STIBP: disabled, RSB
                                           filling

 run-level 3 Feb 14 19:51

 SPEC is set to: /home/cpu2017-bbn
    Filesystem     Type   Size  Used Avail Use% Mounted on
    /dev/sdc2      btrfs  743G   26G  717G   4% /home

 From /sys/devices/virtual/dmi/id
     BIOS:    HPE A42 12/12/2019
     Vendor:  HPE
     Product: ProLiant DL385 Gen10 Plus
     Product Family: ProLiant
     Serial:  CN79310517

 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:
     16x Micron 36ASF8G72PZ-3G2B2 64 GB 2 rank 3200
     16x UNKNOWN NOT AVAILABLE

 (End of data from sysinfo program)

Compiler Version Notes

==============================================================================
C               | 619.lbm_s(base, peak) 638.imagick_s(base, peak)
                | 644.nab_s(base, peak)
------------------------------------------------------------------------------
AOCC.LLVM.2.0.0.B191.2019_07_19 clang version 8.0.0 (CLANG: Jenkins
  AOCC_2_0_0-Build#191) (based on LLVM AOCC.LLVM.2.0.0.B191.2019_07_19)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /sppo/dev/compilers/aocc-compiler-2.0.0/bin
------------------------------------------------------------------------------

==============================================================================
C++, C, Fortran | 607.cactuBSSN_s(base, peak)
------------------------------------------------------------------------------
AOCC.LLVM.2.0.0.B191.2019_07_19 clang version 8.0.0 (CLANG: Jenkins
  AOCC_2_0_0-Build#191) (based on LLVM AOCC.LLVM.2.0.0.B191.2019_07_19)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /sppo/dev/compilers/aocc-compiler-2.0.0/bin
AOCC.LLVM.2.0.0.B191.2019_07_19 clang version 8.0.0 (CLANG: Jenkins
  AOCC_2_0_0-Build#191) (based on LLVM AOCC.LLVM.2.0.0.B191.2019_07_19)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /sppo/dev/compilers/aocc-compiler-2.0.0/bin
AOCC.LLVM.2.0.0.B191.2019_07_19 clang version 8.0.0 (CLANG: Jenkins
  AOCC_2_0_0-Build#191) (based on LLVM AOCC.LLVM.2.0.0.B191.2019_07_19)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /sppo/dev/compilers/aocc-compiler-2.0.0/bin
------------------------------------------------------------------------------

==============================================================================
Fortran         | 603.bwaves_s(base, peak) 649.fotonik3d_s(base, peak)
                | 654.roms_s(base, peak)
------------------------------------------------------------------------------
AOCC.LLVM.2.0.0.B191.2019_07_19 clang version 8.0.0 (CLANG: Jenkins
  AOCC_2_0_0-Build#191) (based on LLVM AOCC.LLVM.2.0.0.B191.2019_07_19)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /sppo/dev/compilers/aocc-compiler-2.0.0/bin
------------------------------------------------------------------------------

==============================================================================
Fortran, C      | 621.wrf_s(base, peak) 627.cam4_s(base, peak)
                | 628.pop2_s(base, peak)
------------------------------------------------------------------------------
AOCC.LLVM.2.0.0.B191.2019_07_19 clang version 8.0.0 (CLANG: Jenkins
  AOCC_2_0_0-Build#191) (based on LLVM AOCC.LLVM.2.0.0.B191.2019_07_19)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /sppo/dev/compilers/aocc-compiler-2.0.0/bin
AOCC.LLVM.2.0.0.B191.2019_07_19 clang version 8.0.0 (CLANG: Jenkins
  AOCC_2_0_0-Build#191) (based on LLVM AOCC.LLVM.2.0.0.B191.2019_07_19)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /sppo/dev/compilers/aocc-compiler-2.0.0/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:

 -flto   -Wl,-mllvm -Wl,-function-specialize   -Wl,-mllvm -Wl,-region-vectorize   -Wl,-mllvm -Wl,-vector-library=LIBMVEC   -Wl,-mllvm -Wl,-reduce-array-computations=3   -O3   -ffast-math   -march=znver2   -fstruct-layout=3   -mllvm -unroll-threshold=50   -fremap-arrays   -mllvm -function-specialize   -mllvm -enable-gvn-hoist   -mllvm -reduce-array-computations=3   -mllvm -global-vectorize-slp   -mllvm -vector-library=LIBMVEC   -mllvm -inline-threshold=1000   -flv-function-specialization   -z muldefs   -DSPEC_OPENMP   -fopenmp   -fopenmp=libomp   -lomp   -lpthread   -ldl   -lmvec   -lamdlibm   -ljemalloc   -lflang 

Fortran benchmarks:

 -flto   -Wl,-mllvm -Wl,-function-specialize   -Wl,-mllvm -Wl,-region-vectorize   -Wl,-mllvm -Wl,-vector-library=LIBMVEC   -Wl,-mllvm -Wl,-reduce-array-computations=3   -O3   -march=znver2   -funroll-loops   -Mrecursive   -mllvm -vector-library=LIBMVEC   -z muldefs   -Kieee   -fno-finite-math-only   -DSPEC_OPENMP   -fopenmp   -fopenmp=libomp   -lomp   -lpthread   -ldl   -lmvec   -lamdlibm   -ljemalloc   -lflang 

Benchmarks using both Fortran and C:

 -flto   -Wl,-mllvm -Wl,-function-specialize   -Wl,-mllvm -Wl,-region-vectorize   -Wl,-mllvm -Wl,-vector-library=LIBMVEC   -Wl,-mllvm -Wl,-reduce-array-computations=3   -O3   -ffast-math   -march=znver2   -fstruct-layout=3   -mllvm -unroll-threshold=50   -fremap-arrays   -mllvm -function-specialize   -mllvm -enable-gvn-hoist   -mllvm -reduce-array-computations=3   -mllvm -global-vectorize-slp   -mllvm -vector-library=LIBMVEC   -mllvm -inline-threshold=1000   -flv-function-specialization   -funroll-loops   -Mrecursive   -z muldefs   -Kieee   -fno-finite-math-only   -DSPEC_OPENMP   -fopenmp   -fopenmp=libomp   -lomp   -lpthread   -ldl   -lmvec   -lamdlibm   -ljemalloc   -lflang 

Benchmarks using Fortran, C, and C++:

 -std=c++98   -flto   -Wl,-mllvm -Wl,-function-specialize   -Wl,-mllvm -Wl,-region-vectorize   -Wl,-mllvm -Wl,-vector-library=LIBMVEC   -Wl,-mllvm -Wl,-reduce-array-computations=3   -Wl,-mllvm -Wl,-suppress-fmas   -O3   -ffast-math   -march=znver2   -fstruct-layout=3   -mllvm -unroll-threshold=50   -fremap-arrays   -mllvm -function-specialize   -mllvm -enable-gvn-hoist   -mllvm -reduce-array-computations=3   -mllvm -global-vectorize-slp   -mllvm -vector-library=LIBMVEC   -mllvm -inline-threshold=1000   -flv-function-specialization   -mllvm -loop-unswitch-threshold=200000   -mllvm -unroll-threshold=100   -mllvm -enable-partial-unswitch   -funroll-loops   -Mrecursive   -z muldefs   -Kieee   -fno-finite-math-only   -DSPEC_OPENMP   -fopenmp   -fopenmp=libomp   -lomp   -lpthread   -ldl   -lmvec   -lamdlibm   -ljemalloc   -lflang 

Base Other Flags

C benchmarks:

 -Wno-return-type   -DUSE_OPENMP 

Fortran benchmarks:

 -DUSE_OPENMP   -Wno-return-type 

Benchmarks using both Fortran and C:

 -DUSE_OPENMP   -Wno-return-type 

Benchmarks using Fortran, C, and C++:

 -Wno-return-type   -DUSE_OPENMP 

Peak 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 

Peak Portability Flags

Same as Base Portability Flags

Peak Optimization Flags

C benchmarks:

619.lbm_s:  basepeak = yes 
638.imagick_s:  -flto   -Wl,-mllvm -Wl,-function-specialize   -Wl,-mllvm -Wl,-region-vectorize   -Wl,-mllvm -Wl,-vector-library=LIBMVEC   -Wl,-mllvm -Wl,-reduce-array-computations=3   -Ofast   -march=znver2   -mno-sse4a   -fstruct-layout=5   -mllvm -vectorize-memory-aggressively   -mllvm -function-specialize   -mllvm -enable-gvn-hoist   -mllvm -unroll-threshold=50   -fremap-arrays   -mllvm -vector-library=LIBMVEC   -mllvm -reduce-array-computations=3   -mllvm -global-vectorize-slp   -mllvm -inline-threshold=1000   -flv-function-specialization   -DSPEC_OPENMP   -fopenmp   -lmvec   -lamdlibm   -fopenmp=libomp   -lomp   -lpthread   -ldl   -ljemalloc   -lflang 
644.nab_s:  basepeak = yes 

Fortran benchmarks:

603.bwaves_s:  basepeak = yes 
649.fotonik3d_s:  basepeak = yes 
654.roms_s:  -flto   -Wl,-mllvm -Wl,-function-specialize   -Wl,-mllvm -Wl,-region-vectorize   -Wl,-mllvm -Wl,-vector-library=LIBMVEC   -Wl,-mllvm -Wl,-reduce-array-computations=3   -Wl,-mllvm -Wl,-enable-X86-prefetching   -O3   -march=znver2   -funroll-loops   -Mrecursive   -mllvm -vector-library=LIBMVEC   -Kieee   -fno-finite-math-only   -DSPEC_OPENMP   -fopenmp   -fopenmp=libomp   -lomp   -lpthread   -ldl   -lmvec   -lamdlibm   -ljemalloc   -lflang 

Benchmarks using both Fortran and C:

621.wrf_s:  basepeak = yes 
627.cam4_s:  basepeak = yes 
628.pop2_s:  -flto   -Wl,-mllvm -Wl,-function-specialize   -Wl,-mllvm -Wl,-region-vectorize   -Wl,-mllvm -Wl,-vector-library=LIBMVEC   -Wl,-mllvm -Wl,-reduce-array-computations=3   -Ofast   -march=znver2   -mno-sse4a   -fstruct-layout=5   -mllvm -vectorize-memory-aggressively   -mllvm -function-specialize   -mllvm -enable-gvn-hoist   -mllvm -unroll-threshold=50   -fremap-arrays   -mllvm -vector-library=LIBMVEC   -mllvm -reduce-array-computations=3   -mllvm -global-vectorize-slp   -mllvm -inline-threshold=1000   -flv-function-specialization   -O3   -funroll-loops   -Mrecursive   -Kieee   -fno-finite-math-only   -DSPEC_OPENMP   -fopenmp   -fopenmp=libomp   -lomp   -lpthread   -ldl   -lmvec   -lamdlibm   -ljemalloc   -lflang 

Benchmarks using Fortran, C, and C++:

607.cactuBSSN_s:  basepeak = yes 

Peak Other Flags

C benchmarks:

 -Wno-return-type   -DUSE_OPENMP 

Fortran benchmarks:

 -DUSE_OPENMP   -Wno-return-type 

Benchmarks using both Fortran and C:

 -DUSE_OPENMP   -Wno-return-type 

Benchmarks using Fortran, C, and C++:

 -Wno-return-type   -DUSE_OPENMP 

The flags files that were used to format this result can be browsed at
http://www.spec.org/cpu2017/flags/aocc200-flags-B1.html,
http://www.spec.org/cpu2017/flags/HPE-Platform-Flags-AMD-V1.2-EPYC-revH.html.

You can also download the XML flags sources by saving the following links:
http://www.spec.org/cpu2017/flags/aocc200-flags-B1.xml,
http://www.spec.org/cpu2017/flags/HPE-Platform-Flags-AMD-V1.2-EPYC-revH.xml.