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: 1498.366
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.84
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: 263696144 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.34.0.20200325-1
Copyright (C) 2020 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) 11.0.0 20201216 (experimental) 6e9d865119a1077081de3d4ea9d2caf641c8dcb7
Copyright (C) 2020 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 6e9d865119a1077081de3d4ea9d2caf641c8dcb7
glibc GNU C Library (GNU libc) stable release version 2.31 (git 0a8262a1b2).
Copyright (C) 2020 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 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2].
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) 2.34.0.20200325-1
options None
reason None
uname Linux benzen 5.7.9-1-default #1 SMP Thu Jul 16 09:40:08 UTC 2020 (a010166) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk.O0_g test results

Run Order Start Time Duration
Current 1608077791000.6e9d865119a1077081de3d4ea9d2caf641c8dcb7 2020-12-16T07:30:57.815452 0:01:34.949557
Previous 1608007193000.773a4106bbbd20e2f8bd840607f3e2f74fd00ce5 2020-12-15T07:31:07.766954 0:01:34.497784
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 4 10
Performance Improvements 3 18
Added Tests 3 3
Unchanged Tests 314 293
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp 7.71% 11.827 12.739 - -3.50% -
random/pr12392.cpp 2.98% 3.790 3.903 - -11.57% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C 2.59% 18.70 MB 19.18 MB - 9.08% -
random/pr36439.cpp 2.51% 354.62 MB 363.52 MB - 4.86% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -9.03% 0.653 0.594 - -36.66% -
random/pr36291.cpp -7.34% 10.961 10.157 - -11.99% -
random/pr28071.c -2.48% 9.894 9.649 - -9.75% -

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

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 16.83% 495.30 MB 578.68 MB - 0.07% -
random/pr12392.cpp 14.53% 301.95 MB 345.83 MB - 0.45% -
random/empty.C 9.08% 17.59 MB 19.18 MB - 2.59% -
random/pr60243.c 6.39% 1.68 GB 1.79 GB - 0.02% -
random/empty.c 5.12% 16.47 MB 17.32 MB - 0.00% -
random/pr36439.cpp 4.86% 346.68 MB 363.52 MB - 2.51% -
random/pr29433.cpp 3.40% 1.91 GB 1.98 GB - 0.25% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp/elf/sections/text 2.77% 1.04 MB 1.07 MB - 0.00% -
random/pr29433.cpp/elf 2.64% 1.18 MB 1.21 MB - 0.00% -
random/pr39326.c/elf/sections/text 2.03% 436.45 KB 445.30 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -39.55% 0.308 0.186 - -0.06% -
random/pr39326.c -39.12% 2.067 1.258 - -0.09% -
random/pr36262.c -36.66% 0.938 0.594 - -9.03% -
random/pr38518.c -35.95% 0.935 0.599 - -0.80% -
random/pr69609.c -21.20% 5.212 4.108 - -0.86% -
random/pr36439.cpp -16.08% 6.258 5.251 - -0.18% -
random/pr36291.cpp -11.99% 11.540 10.157 - -7.34% -
random/pr60243.c -11.67% 43.428 38.358 - -0.18% -
random/pr12392.cpp -11.57% 4.414 3.903 - 2.98% -
random/pr28071.c -9.75% 10.691 9.649 - -2.48% -
random/pr29433.cpp -8.12% 15.730 14.452 - -0.06% -
tramp3d -5.94% 14.619 13.751 - 0.23% -
random/pr26854-2.c -4.57% 5.248 5.008 - -1.48% -
random/pr12850.cpp -3.50% 13.201 12.739 - 7.71% -
random/pr26854.c -2.61% 32.704 31.849 - 0.00% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -4.88% 508.96 MB 484.12 MB - 0.06% -
random/pr28071.c -4.75% 302.40 MB 288.04 MB - -0.05% -
random/pr39326.c -2.19% 158.00 MB 154.55 MB - -0.08% -

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


Report Time: 0.12s