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: 1497.087
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) 11.0.0 20200511 (experimental) e7ae6d32c7df009973616d62829a431a6d206ccc
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 e7ae6d32c7df009973616d62829a431a6d206ccc
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 1589156179000.e7ae6d32c7df009973616d62829a431a6d206ccc 2020-05-11T07:28:32.332723 0:01:32.337194
Previous 1588896977000.88fdafb10608c8d01048f91213d67669988d62f4 2020-05-08T07:29:00.159055 0:01:31.827782
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 1 7
Performance Improvements 6 19
Added Tests 3 3
Unchanged Tests 278 259
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c 5.97% 23.670 25.084 - -3.54% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp -5.24% 48.821 46.264 - -13.21% -
random/pr36439.cpp -4.01% 25.661 24.632 - 6.56% -
random/pr12392.cpp -3.07% 31.183 30.227 - -19.45% -
random/pr36291.cpp -2.94% 22.656 21.990 - 0.71% -
random/pr26854-2.c -2.18% 18.919 18.507 - -2.22% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c/elf/sections/text -2.35% 660.79 KB 645.28 KB - -2.59% -

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/pr36262.c 10.54% 4.517 4.993 - -0.22% -
random/pr36439.cpp 6.56% 23.116 24.632 - -4.01% -
random/pr36498.cpp 4.33% 19.146 19.975 - -0.13% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 4.20% 17.60 MB 18.34 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.88% 417.24 KB 458.45 KB - -0.00% -
random/pr36439.cpp/elf 8.39% 12.12 MB 13.13 MB - 0.02% -
random/pr36498.cpp/elf 6.76% 15.81 MB 16.88 MB - -0.01% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -27.25% 30.784 22.395 - -0.17% -
random/pr12392.cpp -19.45% 37.526 30.227 - -3.07% -
random/pr28071.c -18.27% 53.756 43.934 - -1.87% -
random/pr12850.cpp -13.21% 53.302 46.264 - -5.24% -
random/pr70614.c -3.54% 26.005 25.084 - 5.97% -
random/pr26854.c -3.01% 107.634 104.392 - 1.58% -
random/pr39326.c -2.22% 135.733 132.724 - 0.96% -
random/pr26854-2.c -2.22% 18.927 18.507 - -2.18% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.17% 933.04 MB 819.52 MB - -0.21% -
random/pr12850.cpp -10.22% 993.85 MB 892.30 MB - 0.00% -
random/pr36439.cpp -3.87% 530.39 MB 509.87 MB - 0.19% -
random/pr12392.cpp -2.02% 705.73 MB 691.47 MB - -0.01% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -20.64% 34.82 KB 27.63 KB - -0.01% -
random/pr12850.cpp/elf -17.84% 36.91 MB 30.33 MB - -0.00% -
random/pr69609.c/elf -9.66% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.01% 435.59 KB 405.05 KB - 0.00% -
random/pr39326.c/elf -6.52% 1.46 MB 1.37 MB - -0.40% -
random/pr12392.cpp/elf -6.21% 15.64 MB 14.67 MB - 0.00% -
random/pr28071.c/elf/sections/text -2.59% 662.44 KB 645.28 KB - -2.35% -

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


Report Time: 0.16s