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: 2644.260
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) 2.35.1.20201112-1
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 20210205 (experimental) 8d0737d8f4b10bffe0411507ad2dc21ba7679883
Copyright (C) 2021 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 8d0737d8f4b10bffe0411507ad2dc21ba7679883
glibc GNU C Library (GNU libc) release release version 2.32 (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 10.2.1 20201202 [revision e563687cf9d3d1278f45aaebd03e0f66531076c9].
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) 2.35.1.20201112-1
options None
reason None
uname Linux benzen 5.10.7-1-default #1 SMP Wed Jan 13 06:08:43 UTC 2021 (1c33a89) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk.O0_g test results

Run Order Start Time Duration
Current 1612490376000.8d0737d8f4b10bffe0411507ad2dc21ba7679883 2021-02-05T07:31:07.347320 0:01:35.181511
Previous 1612234830000.788113556899304501fd119f9c7ba93a74835c33 2021-02-02T07:30:53.696003 0:01:36.472128
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 0 9
Performance Improvements 3 17
Added Tests 3 3
Unchanged Tests 318 295
Total Tests 324

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp -7.10% 12.635 11.738 - -11.08% -
random/pr39326.c -3.64% 1.249 1.204 - -41.76% -
random/pr12392.cpp -3.01% 3.886 3.769 - -14.62% -

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 17.13% 495.30 MB 580.16 MB - 0.02% -
random/pr12392.cpp 14.47% 301.95 MB 345.64 MB - -0.02% -
random/empty.C 7.95% 17.59 MB 18.98 MB - 0.00% -
random/pr60243.c 6.35% 1.68 GB 1.79 GB - 0.00% -
random/empty.c 6.07% 16.47 MB 17.47 MB - -0.36% -
random/pr29433.cpp 3.23% 1.91 GB 1.97 GB - -0.01% -
random/pr36439.cpp 2.16% 346.68 MB 354.15 MB - -0.02% -

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/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/pr39326.c -41.76% 2.067 1.204 - -3.64% -
random/pr70614.c -41.68% 0.308 0.179 - -0.16% -
random/pr36262.c -36.88% 0.938 0.592 - 0.48% -
random/pr38518.c -34.62% 0.935 0.611 - -1.19% -
random/pr69609.c -20.04% 5.212 4.168 - 1.95% -
random/pr36439.cpp -15.92% 6.258 5.262 - -0.09% -
random/pr12392.cpp -14.62% 4.414 3.769 - -3.01% -
random/pr36291.cpp -12.42% 11.540 10.107 - 0.13% -
random/pr60243.c -12.36% 43.428 38.060 - -1.03% -
random/pr12850.cpp -11.08% 13.201 11.738 - -7.10% -
random/pr28071.c -10.13% 10.691 9.608 - 0.06% -
random/pr29433.cpp -8.76% 15.730 14.352 - -1.02% -
tramp3d -6.46% 14.619 13.674 - -0.09% -
random/pr26854.c -3.62% 32.704 31.520 - -0.54% -
random/pr26854-2.c -3.24% 5.248 5.078 - -0.02% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -4.85% 508.96 MB 484.26 MB - -0.02% -
random/pr28071.c -4.43% 302.40 MB 289.00 MB - 0.03% -

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


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