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: 1734.219
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 20191120 (experimental) f98d7a23d8fe9ea53e6a60fa87b3c52f928dc92a
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 f98d7a23d8fe9ea53e6a60fa87b3c52f928dc92a
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 1574211766000.f98d7a23d8fe9ea53e6a60fa87b3c52f928dc92a 2019-11-20T09:04:33.469618 0:01:32.372188
Previous 1574122909000.baacd859bdd910315ec116a2baea2e32fc70df62 2019-11-19T07:29:52.737868 0:01:30.614429
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 14 9
Performance Improvements 11 13
Added Tests 3 3
Unchanged Tests 260 263
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 11.17% 16.579 18.431 - -2.62% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 39.87% 402.84 MB 563.48 MB - -0.99% -
random/pr36262.c 31.87% 150.20 MB 198.07 MB - 0.67% -
random/pr69609.c 31.78% 394.25 MB 519.52 MB - -1.33% -
random/pr38518.c 31.44% 150.68 MB 198.06 MB - 0.66% -
random/pr26854-2.c 23.67% 296.09 MB 366.16 MB - 0.05% -
random/pr36439.cpp 22.80% 412.25 MB 506.23 MB - -4.56% -
random/pr36498.cpp 22.68% 412.32 MB 505.84 MB - -1.65% -
random/pr12850.cpp 21.78% 749.04 MB 912.18 MB - -8.22% -
random/pr39326.c 17.68% 380.10 MB 447.29 MB - -0.09% -
random/pr70614.c 13.69% 48.52 MB 55.17 MB - -0.17% -
random/pr28071.c 11.74% 836.87 MB 935.15 MB - 0.23% -
random/pr26854.c 6.47% 1.03 GB 1.10 GB - 0.01% -
random/pr12392.cpp 5.67% 667.37 MB 705.22 MB - -0.07% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -11.65% 5.151 4.551 - 0.75% -
random/pr12850.cpp -8.61% 52.432 47.917 - -10.10% -
random/pr38518.c -7.60% 5.361 4.953 - 0.60% -
random/pr26854.c -7.49% 112.642 104.201 - -3.19% -
random/pr12392.cpp -7.21% 36.800 34.148 - -9.00% -
random/pr28071.c -7.02% 54.246 50.435 - -6.18% -
random/pr69609.c -5.86% 23.386 22.015 - -28.48% -
random/pr36291.cpp -5.63% 23.168 21.863 - 0.13% -
random/pr36439.cpp -5.13% 25.674 24.358 - 5.37% -
random/pr36498.cpp -3.12% 20.780 20.132 - 5.15% -
random/pr39326.c -2.35% 136.719 133.506 - -1.64% -

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/pr36439.cpp 5.37% 23.116 24.358 - -5.13% -
random/pr36498.cpp 5.15% 19.146 20.132 - -3.12% -
random/pr29433.cpp 2.07% 16.036 16.367 - 1.07% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 2.82% 16.49 MB 16.95 MB - 0.00% -
random/empty.C 2.31% 17.60 MB 18.00 MB - 0.35% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.86% 417.24 KB 458.37 KB - 0.00% -
random/pr36498.cpp/elf 9.00% 15.81 MB 17.24 MB - 0.00% -
random/pr36439.cpp/elf 8.68% 12.12 MB 13.17 MB - -0.03% -
random/pr29433.cpp/elf 2.73% 1.35 MB 1.39 MB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -28.48% 30.784 22.015 - -5.86% -
random/pr12850.cpp -10.10% 53.302 47.917 - -8.61% -
random/pr12392.cpp -9.00% 37.526 34.148 - -7.21% -
random/pr28071.c -6.18% 53.756 50.435 - -7.02% -
random/pr26854.c -3.19% 107.634 104.201 - -7.49% -
random/pr26854-2.c -2.62% 18.927 18.431 - 11.17% -
random/pr70614.c -2.62% 26.005 25.325 - 0.08% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp -8.22% 993.85 MB 912.18 MB - 21.78% -
random/pr36439.cpp -4.56% 530.39 MB 506.23 MB - 22.80% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -21.21% 34.82 KB 27.43 KB - 0.04% -
random/pr12850.cpp/elf -13.35% 36.91 MB 31.98 MB - -0.00% -
random/pr69609.c/elf -9.64% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.00% 435.59 KB 405.12 KB - 0.00% -

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


Report Time: 0.09s
Name Current %
random/empty.c 0.027 -
random/empty.C 0.028 -
random/pr12392.cpp 34.148 -7.21%
random/pr12850.cpp 47.917 -8.61%
random/pr26854-2.c 18.431 11.17%
random/pr26854.c 104.201 -7.49%
random/pr28071.c 50.435 -7.02%
random/pr29433.cpp 16.367 -
random/pr36262.c 4.551 -11.65%
random/pr36291.cpp 21.863 -5.63%
random/pr36439.cpp 24.358 -5.13%
random/pr36498.cpp 20.132 -3.12%
random/pr38518.c 4.953 -7.60%
random/pr39326.c 133.506 -2.35%
random/pr69609.c 22.015 -5.86%
random/pr70614.c 25.325 -
Geometric Mean 10.814 -3.72%
Name Current %
random/empty.c 16.95 MB -
random/empty.C 18.00 MB -
random/pr12392.cpp 705.22 MB 5.67%
random/pr12850.cpp 912.18 MB 21.78%
random/pr26854-2.c 366.16 MB 23.67%
random/pr26854.c 1.10 GB 6.47%
random/pr28071.c 935.15 MB 11.74%
random/pr29433.cpp 1.92 GB -
random/pr36262.c 198.07 MB 31.87%
random/pr36291.cpp 563.48 MB 39.87%
random/pr36439.cpp 506.23 MB 22.80%
random/pr36498.cpp 505.84 MB 22.68%
random/pr38518.c 198.06 MB 31.44%
random/pr39326.c 447.29 MB 17.68%
random/pr69609.c 519.52 MB 31.78%
random/pr70614.c 55.17 MB 13.69%
Geometric Mean 317.74 MB 17.01%