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: 1497.205
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 20210212 (experimental) ac001ddd0cb635dec0145bf577ac796894bda398
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 ac001ddd0cb635dec0145bf577ac796894bda398
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.O_g test results

Run Order Start Time Duration
Current 1613097024000.ac001ddd0cb635dec0145bf577ac796894bda398 2021-02-12T07:31:55.306110 0:01:35.092201
Previous 1613414335000.f9d4544df5533df9f6144f4ca40b64195fd3de47 2021-02-15T22:50:19.150386 0:01:35.005263
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 4 9
Performance Improvements 0 28
Added Tests 3 3
Unchanged Tests 281 248
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c 24.48% 3.874 4.822 - 6.75% -
random/pr28071.c 18.26% 37.471 44.313 - -17.57% -
random/pr36291.cpp 5.67% 20.774 21.951 - 0.53% -
random/pr70614.c 2.20% 22.294 22.784 - -12.38% -

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 10.20% 23.116 25.474 - -0.35% -
random/pr36262.c 6.75% 4.517 4.822 - 24.48% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 8.68% 17.60 MB 19.12 MB - 0.02% -
random/pr36291.cpp 8.39% 569.09 MB 616.82 MB - 0.11% -
random/empty.c 6.06% 16.49 MB 17.49 MB - 0.00% -
random/pr29433.cpp 3.34% 1.92 GB 1.98 GB - 0.00% -
random/pr70614.c 2.79% 55.26 MB 56.80 MB - -0.03% -

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 -29.44% 30.784 21.721 - -0.12% -
random/pr26854-2.c -27.88% 18.927 13.650 - 0.17% -
random/pr39326.c -24.19% 135.733 102.897 - 0.57% -
random/pr38518.c -20.78% 4.924 3.901 - -0.45% -
random/pr28071.c -17.57% 53.756 44.313 - 18.26% -
random/pr12392.cpp -16.13% 37.526 31.473 - 0.56% -
random/pr70614.c -12.38% 26.005 22.784 - 2.20% -
random/pr12850.cpp -9.13% 53.302 48.435 - -0.35% -
random/pr26854.c -8.85% 107.634 98.104 - -0.74% -
random/pr29433.cpp -8.69% 16.036 14.642 - -1.87% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp -14.25% 993.85 MB 852.20 MB - 0.19% -
random/pr28071.c -12.97% 933.04 MB 812.00 MB - -0.04% -
random/pr26854.c -6.60% 1.10 GB 1.03 GB - 0.22% -
random/pr69609.c -4.31% 526.51 MB 503.82 MB - 0.56% -
random/pr39326.c -4.10% 447.71 MB 429.35 MB - 0.03% -
random/pr36262.c -3.42% 196.75 MB 190.01 MB - -0.57% -
random/pr26854-2.c -2.78% 365.98 MB 355.82 MB - -0.25% -
random/pr38518.c -2.58% 196.77 MB 191.69 MB - -0.03% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -50.83% 15.64 MB 7.69 MB - -0.00% -
random/pr12850.cpp/elf -37.40% 36.91 MB 23.11 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 -5.85% 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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