Fields

hardware None
os_version None

Parameters

cpu 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): 128
On-line CPU(s) list: 0-127
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 49
Model name: AMD EPYC 7702 64-Core Processor
Stepping: 0
Frequency boost: enabled
CPU MHz: 1436.981
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.83
Virtualization: AMD-V
L1d cache: 2 MiB
L1i cache: 2 MiB
L2 cache: 32 MiB
L3 cache: 256 MiB
NUMA node0 CPU(s): 0-127
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: 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; Full AMD retpoline, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
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 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_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba 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 rdpru wbnoinvd amd_ppin 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
memory MemTotal: 263729312 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.32.0.20190909-8
Copyright (C) 2019 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or later.
This program has absolutely no warranty.
This assembler was configured for a target of `x86_64-suse-linux'.
gcc gcc (GCC) 10.0.0 20191121 (experimental) b139fcb1bec0c4f14427c0aafa6f45f53473cd7c
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
git_revision b139fcb1bec0c4f14427c0aafa6f45f53473cd7c
glibc GNU C Library (GNU libc) stable release version 2.30 (git 0a8262a1b2).
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 9.2.1 20190903 [gcc-9-branch revision 275330].
libc ABIs: UNIQUE IFUNC ABSOLUTE
For bug reporting instructions, please see:
<http://bugs.opensuse.org>.
glibc_location /lib64/libc.so.6
ld GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.32.0.20190909-8
options None
reason None
uname Linux benzen 5.3.6-1-default #1 SMP Sun Oct 13 07:19:36 UTC 2019 (519ea7b) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk.Ofast test results

Run Order Start Time Duration
Current 1574298407000.b139fcb1bec0c4f14427c0aafa6f45f53473cd7c 2019-11-21T09:39:58.664547 0:01:31.178740
Previous 1574122909000.baacd859bdd910315ec116a2baea2e32fc70df62 2019-11-19T07:29:52.737868 0:01:30.750813
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364


Tests Summary

Status Group # # (B)
Performance Regressions 14 2
Performance Improvements 7 11
Added Tests 3 3
Unchanged Tests 246 254
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 12.59% 75.646 85.166 - -27.33% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 49.23% 238.22 MB 355.50 MB - -0.57% -
random/pr12850.cpp 42.20% 400.82 MB 569.99 MB - 0.02% -
random/pr36439.cpp 41.58% 318.88 MB 451.47 MB - -0.26% -
random/pr36291.cpp 40.57% 342.58 MB 481.58 MB - 0.26% -
random/pr39326.c 18.07% 487.62 MB 575.73 MB - 0.07% -
random/pr12392.cpp 16.46% 780.89 MB 909.42 MB - 0.06% -
random/pr28071.c 15.33% 1.14 GB 1.31 GB - -0.23% -
random/pr70614.c 14.97% 54.62 MB 62.79 MB - 0.56% -
random/pr60243.c 10.95% 1.83 GB 2.03 GB - -3.35% -
random/pr29433.cpp 9.38% 303.88 MB 332.38 MB - 0.45% -
random/pr26854-2.c 5.08% 1.38 GB 1.45 GB - -0.11% -
random/pr38518.c 4.58% 2.76 GB 2.89 GB - 0.55% -
random/pr36262.c 4.58% 2.77 GB 2.89 GB - 0.50% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp -12.80% 17.730 15.460 - -5.06% -
random/pr38518.c -8.59% 36.342 33.221 - -2.03% -
random/pr36439.cpp -7.97% 35.238 32.430 - -2.20% -
random/pr12850.cpp -7.56% 42.171 38.984 - -5.24% -
random/pr12392.cpp -7.10% 39.099 36.321 - -6.53% -
random/pr36291.cpp -4.88% 30.229 28.753 - -4.10% -
random/pr29433.cpp -4.35% 4.170 3.988 - 1.06% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr29433.cpp/elf/sections/text

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 3.30% 16.24 MB 16.77 MB - 0.02% -
random/empty.C 3.09% 17.34 MB 17.88 MB - 0.73% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -27.33% 117.203 85.166 - 12.59% -
random/pr12392.cpp -6.53% 38.857 36.321 - -7.10% -
random/pr12850.cpp -5.24% 41.140 38.984 - -7.56% -
random/pr26854-2.c -5.07% 57.018 54.126 - -1.55% -
random/pr36498.cpp -5.06% 16.283 15.460 - -12.80% -
random/pr36291.cpp -4.10% 29.982 28.753 - -4.88% -
random/pr28071.c -3.75% 68.825 66.246 - -0.47% -
random/pr39326.c -3.57% 104.650 100.913 - -1.84% -
random/pr36439.cpp -2.20% 33.160 32.430 - -7.97% -
random/pr38518.c -2.03% 33.910 33.221 - -8.59% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -3.35% 2.10 GB 2.03 GB - 10.95% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr29433.cpp/elf/sections/text


Report Time: 0.09s
Name Current %
random/empty.c 16.77 MB -
random/empty.C 17.88 MB -
random/pr12392.cpp 909.42 MB 16.46%
random/pr12850.cpp 569.99 MB 42.20%
random/pr26854-2.c 1.45 GB 5.08%
random/pr28071.c 1.31 GB 15.33%
random/pr29433.cpp 332.38 MB 9.38%
random/pr36262.c 2.89 GB 4.58%
random/pr36291.cpp 481.58 MB 40.57%
random/pr36439.cpp 451.47 MB 41.58%
random/pr36498.cpp 355.50 MB 49.23%
random/pr38518.c 2.89 GB 4.58%
random/pr39326.c 575.73 MB 18.07%
random/pr60243.c 2.03 GB 10.95%
random/pr70614.c 62.79 MB 14.97%
Geometric Mean 444.59 MB 17.21%