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: 1497.087
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.49
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: 263729316 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 20191113 (experimental) 00bb511c162e8853b26943bd14212f69324d1f65
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 00bb511c162e8853b26943bd14212f69324d1f65
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 1573604185000.00bb511c162e8853b26943bd14212f69324d1f65 2019-11-13T07:30:28.838286 0:01:31.920939
Previous 1573534649000.219d7929fd76e41598ad761b0aac33c941dfb3d6 2019-11-12T09:35:01.495905 0:01:29.308601
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 12 8
Performance Improvements 14 15
Added Tests 3 3
Unchanged Tests 259 262
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 8.68% 18.038 19.604 - 2.39% -
random/pr38518.c 8.20% 4.962 5.368 - 9.02% -
random/pr12850.cpp 7.61% 52.959 56.988 - 6.91% -
random/pr36439.cpp 7.54% 24.113 25.930 - 12.17% -
random/pr26854.c 7.00% 102.675 109.865 - 2.07% -
random/pr39326.c 5.95% 130.133 137.876 - 1.58% -
random/pr36291.cpp 5.94% 21.796 23.090 - 5.75% -
random/pr69609.c 5.14% 29.608 31.129 - 1.12% -
random/pr36262.c 3.97% 4.955 5.152 - 14.05% -
random/pr28071.c 3.90% 51.773 53.793 - 0.07% -
random/pr26854-2.c 3.72% 18.862 19.565 - 3.37% -
random/pr12392.cpp 2.84% 35.478 36.487 - -2.77% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp -28.31% 561.35 MB 402.45 MB - -29.28% -
random/pr36498.cpp -26.30% 510.20 MB 376.00 MB - -26.89% -
random/pr38518.c -24.16% 197.80 MB 150.00 MB - -23.77% -
random/pr36262.c -23.97% 197.29 MB 150.00 MB - -23.76% -
random/pr69609.c -22.38% 528.11 MB 409.89 MB - -22.15% -
random/pr36439.cpp -21.39% 529.30 MB 416.08 MB - -21.55% -
random/pr26854-2.c -19.37% 365.85 MB 294.97 MB - -19.40% -
random/pr39326.c -15.36% 448.08 MB 379.26 MB - -15.29% -
random/pr12850.cpp -15.30% 994.34 MB 842.23 MB - -15.26% -
random/pr70614.c -12.51% 55.05 MB 48.16 MB - -12.85% -
random/pr28071.c -10.49% 935.07 MB 837.01 MB - -10.29% -
random/pr26854.c -6.09% 1.10 GB 1.03 GB - -6.10% -
random/pr12392.cpp -5.30% 705.12 MB 667.73 MB - -5.38% -
random/empty.c -2.29% 16.89 MB 16.50 MB - 0.09% -

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 14.05% 4.517 5.152 - 3.97% -
random/pr36439.cpp 12.17% 23.116 25.930 - 7.54% -
random/pr38518.c 9.02% 4.924 5.368 - 8.20% -
random/pr12850.cpp 6.91% 53.302 56.988 - 7.61% -
random/pr36291.cpp 5.75% 21.835 23.090 - 5.94% -
random/pr26854-2.c 3.37% 18.927 19.565 - 3.72% -
random/pr36498.cpp 2.39% 19.146 19.604 - 8.68% -
random/pr26854.c 2.07% 107.634 109.865 - 7.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -2.79% 26.005 25.278 - -1.32% -
random/pr12392.cpp -2.77% 37.526 36.487 - 2.84% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -29.28% 569.09 MB 402.45 MB - -28.31% -
random/pr36498.cpp -26.89% 514.33 MB 376.00 MB - -26.30% -
random/pr38518.c -23.77% 196.77 MB 150.00 MB - -24.16% -
random/pr36262.c -23.76% 196.75 MB 150.00 MB - -23.97% -
random/pr69609.c -22.15% 526.51 MB 409.89 MB - -22.38% -
random/pr36439.cpp -21.55% 530.39 MB 416.08 MB - -21.39% -
random/pr26854-2.c -19.40% 365.98 MB 294.97 MB - -19.37% -
random/pr39326.c -15.29% 447.71 MB 379.26 MB - -15.36% -
random/pr12850.cpp -15.26% 993.85 MB 842.23 MB - -15.30% -
random/pr70614.c -12.85% 55.26 MB 48.16 MB - -12.51% -
random/pr28071.c -10.29% 933.04 MB 837.01 MB - -10.49% -
random/pr26854.c -6.10% 1.10 GB 1.03 GB - -6.09% -
random/pr12392.cpp -5.38% 705.73 MB 667.73 MB - -5.30% -

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


Report Time: 0.22s
Name Current %
random/empty.c 16.50 MB -2.29%
random/empty.C 17.74 MB -
random/pr12392.cpp 667.73 MB -5.30%
random/pr12850.cpp 842.23 MB -15.30%
random/pr26854-2.c 294.97 MB -19.37%
random/pr26854.c 1.03 GB -6.09%
random/pr28071.c 837.01 MB -10.49%
random/pr29433.cpp 1.90 GB -
random/pr36262.c 150.00 MB -23.97%
random/pr36291.cpp 402.45 MB -28.31%
random/pr36439.cpp 416.08 MB -21.39%
random/pr36498.cpp 376.00 MB -26.30%
random/pr38518.c 150.00 MB -24.16%
random/pr39326.c 379.26 MB -15.36%
random/pr69609.c 409.89 MB -22.38%
random/pr70614.c 48.16 MB -12.51%
Geometric Mean 271.80 MB -15.14%