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: 1495.688
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 20191111 (experimental) eddd03e2cfc80059d349a85bb871372b225e928a
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 eddd03e2cfc80059d349a85bb871372b225e928a
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.O_g test results

Run Order Start Time Duration
Current 1573502749000.eddd03e2cfc80059d349a85bb871372b225e928a 2019-11-11T22:52:26.002403 0:01:29.087758
Previous 1573604185000.00bb511c162e8853b26943bd14212f69324d1f65 2019-11-13T07:30:28.838286 0:01:31.920939
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 14 3
Performance Improvements 12 8
Added Tests 3 3
Unchanged Tests 259 274
Total Tests 288

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 39.57% 402.45 MB 561.69 MB - -1.30% -
random/pr36498.cpp 35.69% 376.00 MB 510.21 MB - -0.80% -
random/pr38518.c 31.53% 150.00 MB 197.30 MB - 0.27% -
random/pr36262.c 31.53% 150.00 MB 197.29 MB - 0.27% -
random/pr69609.c 28.84% 409.89 MB 528.11 MB - 0.30% -
random/pr36439.cpp 27.21% 416.08 MB 529.30 MB - -0.21% -
random/pr26854-2.c 24.03% 294.97 MB 365.85 MB - -0.04% -
random/pr39326.c 18.15% 379.26 MB 448.08 MB - 0.08% -
random/pr12850.cpp 18.06% 842.23 MB 994.34 MB - 0.05% -
random/pr70614.c 14.30% 48.16 MB 55.05 MB - -0.39% -
random/pr28071.c 11.71% 837.01 MB 935.07 MB - 0.22% -
random/pr26854.c 6.60% 1.03 GB 1.10 GB - 0.10% -
random/pr12392.cpp 5.62% 667.73 MB 705.25 MB - -0.07% -
random/empty.c 2.34% 16.50 MB 16.89 MB - 2.44% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -20.18% 19.565 15.617 - -17.49% -
random/pr36439.cpp -10.98% 25.930 23.082 - -0.15% -
random/pr12850.cpp -9.73% 56.988 51.443 - -3.49% -
random/pr38518.c -7.66% 5.368 4.957 - 0.68% -
random/pr36498.cpp -7.57% 19.604 18.121 - -5.36% -
random/pr26854.c -6.35% 109.865 102.885 - -4.41% -
random/pr12392.cpp -5.76% 36.487 34.385 - -8.37% -
random/pr39326.c -5.12% 137.876 130.817 - -3.62% -
random/pr36262.c -4.93% 5.152 4.897 - 8.42% -
random/pr69609.c -4.91% 31.129 29.602 - -3.84% -
random/pr28071.c -3.70% 53.793 51.803 - -3.63% -
random/pr36291.cpp -2.42% 23.090 22.532 - 3.19% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr36439.cpp/elf/sections/text

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c 8.42% 4.517 4.897 - -4.93% -
random/pr36291.cpp 3.19% 21.835 22.532 - -2.42% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 2.44% 16.49 MB 16.89 MB - 2.34% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c -17.49% 18.927 15.617 - -20.18% -
random/pr12392.cpp -8.37% 37.526 34.385 - -5.76% -
random/pr36498.cpp -5.36% 19.146 18.121 - -7.57% -
random/pr26854.c -4.41% 107.634 102.885 - -6.35% -
random/pr69609.c -3.84% 30.784 29.602 - -4.91% -
random/pr28071.c -3.63% 53.756 51.803 - -3.70% -
random/pr39326.c -3.62% 135.733 130.817 - -5.12% -
random/pr12850.cpp -3.49% 53.302 51.443 - -9.73% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr36439.cpp/elf/sections/text


Report Time: 0.08s
Name Current %
random/empty.c 0.026 -
random/empty.C 0.028 -
random/pr12392.cpp 34.385 -5.76%
random/pr12850.cpp 51.443 -9.73%
random/pr26854-2.c 15.617 -20.18%
random/pr26854.c 102.885 -6.35%
random/pr28071.c 51.803 -3.70%
random/pr29433.cpp 15.973 -
random/pr36262.c 4.897 -4.93%
random/pr36291.cpp 22.532 -2.42%
random/pr36439.cpp 23.082 -10.98%
random/pr36498.cpp 18.121 -7.57%
random/pr38518.c 4.957 -7.66%
random/pr39326.c 130.817 -5.12%
random/pr69609.c 29.602 -4.91%
random/pr70614.c 25.780 -
Geometric Mean 10.903 -5.70%
Name Current %
random/empty.c 16.89 MB 2.34%
random/empty.C 17.77 MB -
random/pr12392.cpp 705.25 MB 5.62%
random/pr12850.cpp 994.34 MB 18.06%
random/pr26854-2.c 365.85 MB 24.03%
random/pr26854.c 1.10 GB 6.60%
random/pr28071.c 935.07 MB 11.71%
random/pr29433.cpp 1.92 GB -
random/pr36262.c 197.29 MB 31.53%
random/pr36291.cpp 561.69 MB 39.57%
random/pr36439.cpp 529.30 MB 27.21%
random/pr36498.cpp 510.21 MB 35.69%
random/pr38518.c 197.30 MB 31.53%
random/pr39326.c 448.08 MB 18.15%
random/pr69609.c 528.11 MB 28.84%
random/pr70614.c 55.05 MB 14.30%
Geometric Mean 320.28 MB 17.84%