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) 10.0.1 20200417 (experimental) 5fb9a619eee6632f89d9d8df1515addb9a4a6404
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 5fb9a619eee6632f89d9d8df1515addb9a4a6404
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 1587082580000.5fb9a619eee6632f89d9d8df1515addb9a4a6404 2020-04-17T07:29:27.281280 0:01:34.256172
Previous 1587014397000.e4658c7dbbe88f742c96e5f58ee4a6d549d642ca 2020-04-16T10:42:19.709075 0:01:34.373183
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 0 8
Performance Improvements 4 17
Added Tests 3 3
Unchanged Tests 281 260
Total Tests 288

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -23.05% 18.856 14.509 - -23.34% -
random/pr36291.cpp -3.87% 22.648 21.771 - -0.29% -
random/pr36439.cpp -3.69% 25.552 24.609 - 6.46% -
random/pr36498.cpp -2.95% 20.558 19.952 - 4.21% -

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 8.48% 4.517 4.900 - -1.55% -
random/pr36439.cpp 6.46% 23.116 24.609 - -3.69% -
random/pr36498.cpp 4.21% 19.146 19.952 - -2.95% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 4.97% 17.60 MB 18.47 MB - 0.00% -
random/empty.c 2.08% 16.49 MB 16.83 MB - 0.05% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.88% 417.24 KB 458.47 KB - 0.00% -
random/pr36439.cpp/elf 8.37% 12.12 MB 13.13 MB - 0.00% -
random/pr36498.cpp/elf 6.77% 15.81 MB 16.88 MB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -27.66% 30.784 22.270 - -0.06% -
random/pr26854-2.c -23.34% 18.927 14.509 - -23.05% -
random/pr12392.cpp -16.86% 37.526 31.199 - 0.28% -
random/pr28071.c -13.81% 53.756 46.332 - 1.25% -
random/pr12850.cpp -8.56% 53.302 48.742 - -1.10% -
random/pr70614.c -8.27% 26.005 23.855 - -0.49% -
random/pr26854.c -2.72% 107.634 104.705 - 0.11% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.03% 933.04 MB 820.78 MB - -0.03% -
random/pr12850.cpp -9.91% 993.85 MB 895.41 MB - 0.05% -
random/pr36439.cpp -3.79% 530.39 MB 510.32 MB - 0.07% -
random/pr69609.c -2.13% 526.51 MB 515.30 MB - 0.04% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -20.63% 34.82 KB 27.63 KB - 0.00% -
random/pr12850.cpp/elf -17.83% 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/pr12392.cpp/elf -6.21% 15.64 MB 14.67 MB - 0.00% -
random/pr39326.c/elf -5.84% 1.46 MB 1.38 MB - 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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