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: 1497.193
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 20210119 (experimental) 9ee33d7c33fa757d7011addfa6bdd0ccb6212181
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 9ee33d7c33fa757d7011addfa6bdd0ccb6212181
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.O_g test results

Run Order Start Time Duration
Current 1611027887000.9ee33d7c33fa757d7011addfa6bdd0ccb6212181 2021-01-19T07:31:16.415460 0:01:36.770244
Previous 1611188196000.b93d0e36c0a86c3d15310fe7383321ca63aeb04d 2021-01-21T07:31:21.607649 0:01:35.896284
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 1 10
Performance Improvements 1 27
Added Tests 3 3
Unchanged Tests 283 248
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 2.00% 102.192 104.237 - -23.20% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -14.30% 17.323 14.845 - -21.56% -

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 10.90% 23.116 25.634 - 0.43% -
random/pr36262.c 7.19% 4.517 4.842 - -0.07% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 8.15% 17.60 MB 19.03 MB - -0.63% -
random/pr36291.cpp 7.78% 569.09 MB 613.39 MB - -0.04% -
random/empty.c 4.79% 16.49 MB 17.28 MB - -0.36% -
random/pr29433.cpp 3.24% 1.92 GB 1.98 GB - -0.03% -
random/pr70614.c 2.81% 55.26 MB 56.81 MB - 1.43% -
random/pr39326.c 2.69% 447.71 MB 459.77 MB - 0.01% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c/elf/sections/text 4.38% 105.04 KB 109.64 KB - 0.00% -
random/pr38518.c/elf/sections/text 4.38% 105.04 KB 109.64 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -29.22% 30.784 21.788 - -0.34% -
random/pr39326.c -23.20% 135.733 104.237 - 2.00% -
random/pr26854-2.c -21.56% 18.927 14.845 - -14.30% -
random/pr38518.c -20.79% 4.924 3.901 - 0.42% -
random/pr28071.c -17.41% 53.756 44.396 - -0.20% -
random/pr12392.cpp -16.58% 37.526 31.303 - 0.28% -
random/pr70614.c -16.11% 26.005 21.815 - -0.93% -
random/pr12850.cpp -8.62% 53.302 48.709 - 0.19% -
random/pr26854.c -8.09% 107.634 98.925 - -0.05% -
random/pr29433.cpp -7.16% 16.036 14.887 - -0.64% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp -14.30% 993.85 MB 851.70 MB - -0.22% -
random/pr28071.c -12.71% 933.04 MB 814.47 MB - -0.00% -
random/pr26854.c -6.43% 1.10 GB 1.03 GB - 0.01% -
random/pr69609.c -3.96% 526.51 MB 505.66 MB - 0.02% -
random/pr26854-2.c -3.79% 365.98 MB 352.11 MB - -0.02% -
random/pr36262.c -3.78% 196.75 MB 189.30 MB - -0.03% -
random/pr38518.c -3.50% 196.77 MB 189.89 MB - -0.03% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -50.84% 15.64 MB 7.69 MB - -0.00% -
random/pr12850.cpp/elf -37.43% 36.91 MB 23.09 MB - 0.00% -
random/pr36439.cpp/elf -30.03% 12.12 MB 8.48 MB - -0.00% -
random/pr36291.cpp/elf -23.28% 11.94 MB 9.16 MB - -0.00% -
random/pr12850.cpp/elf/sections/text -20.22% 34.82 KB 27.78 KB - 0.00% -
random/pr69609.c/elf -9.37% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.36% 435.59 KB 403.53 KB - 0.00% -
random/pr29433.cpp/elf -6.30% 1.35 MB 1.27 MB - 0.00% -
random/pr39326.c/elf -5.45% 1.46 MB 1.38 MB - 0.00% -
random/pr28071.c/elf/sections/text -2.59% 662.44 KB 645.28 KB - 0.00% -

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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