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: 1712.171
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 20200522 (experimental) af288c7501de8be6e59459d35562a501917856c1
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 af288c7501de8be6e59459d35562a501917856c1
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 1590106576000.af288c7501de8be6e59459d35562a501917856c1 2020-05-22T08:42:06.414686 0:01:34.544665
Previous 1590073338000.149c8c7c27a17a2941d07e2f76b1e1c823e2fa80 2020-05-21T21:48:11.010084 0:01:32.745527
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 0 9
Performance Improvements 2 19
Added Tests 3 3
Unchanged Tests 283 257
Total Tests 288

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr69609.c -4.60% 23.351 22.277 - -27.63% -
random/pr26854-2.c -2.41% 19.017 18.559 - -1.94% -

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 10.42% 4.517 4.988 - 0.13% -
random/pr36439.cpp 6.71% 23.116 24.667 - -0.18% -
random/pr36498.cpp 3.00% 19.146 19.720 - -0.13% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp 7.76% 514.33 MB 554.26 MB - -0.00% -
random/empty.C 4.99% 17.60 MB 18.48 MB - 0.00% -
random/empty.c 3.22% 16.49 MB 17.02 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.83% 417.24 KB 458.26 KB - 0.00% -
random/pr36439.cpp/elf 8.41% 12.12 MB 13.13 MB - -0.00% -
random/pr36498.cpp/elf 6.74% 15.81 MB 16.88 MB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -27.63% 30.784 22.277 - -4.60% -
random/pr28071.c -18.12% 53.756 44.014 - 0.17% -
random/pr12392.cpp -16.97% 37.526 31.159 - -0.22% -
random/pr12850.cpp -11.04% 53.302 47.417 - -0.02% -
random/pr70614.c -5.97% 26.005 24.452 - 0.99% -
random/pr39326.c -2.95% 135.733 131.728 - -0.24% -
random/pr26854.c -2.80% 107.634 104.624 - 0.10% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.24% 933.04 MB 818.83 MB - -0.07% -
random/pr12850.cpp -10.73% 993.85 MB 887.25 MB - 0.00% -
random/pr36439.cpp -4.06% 530.39 MB 508.84 MB - 0.02% -
random/pr12392.cpp -2.33% 705.73 MB 689.30 MB - -0.10% -

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 - 0.00% -
random/pr12850.cpp/elf -17.88% 36.91 MB 30.31 MB - 0.00% -
random/pr69609.c/elf -9.71% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.07% 435.59 KB 404.79 KB - 0.00% -
random/pr12392.cpp/elf -6.23% 15.64 MB 14.66 MB - 0.00% -
random/pr39326.c/elf -5.44% 1.46 MB 1.38 MB - 0.00% -
random/pr26854-2.c/elf/sections/text -2.77% 318.56 KB 309.75 KB - 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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