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: 1483.018
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.83
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: 263729312 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 20200724 (experimental) b0e5ec934e7a7473275326e2aee58eaf252cdff1
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 b0e5ec934e7a7473275326e2aee58eaf252cdff1
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.Ofast test results

Run Order Start Time Duration
Current 1595557636000.b0e5ec934e7a7473275326e2aee58eaf252cdff1 2020-07-24T07:29:08.194850 0:01:30.175932
Previous 1595903426000.0ff959e0a2214fa553ac2d06ed66ede62602fc9a 2020-07-28T11:41:13.244633 0:01:32.236168
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364


Tests Summary

Status Group # # (B)
Performance Regressions 7 9
Performance Improvements 1 11
Added Tests 3 3
Unchanged Tests 259 247
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 6.34% 33.404 35.521 - 7.12% -
random/pr38518.c 4.69% 32.278 33.790 - -0.35% -
random/pr26854-2.c 3.78% 52.536 54.522 - -4.38% -
random/pr28071.c 3.54% 72.968 75.548 - 9.77% -
random/pr39326.c 3.08% 111.062 114.486 - 9.40% -
random/pr12850.cpp 2.96% 39.260 40.421 - -1.75% -
random/pr36291.cpp 2.39% 28.419 29.098 - -2.95% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp -16.77% 4.141 3.446 - -12.67% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr29433.cpp/elf/sections/text

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c 9.77% 68.825 75.548 - 3.54% -
random/pr39326.c 9.40% 104.650 114.486 - 3.08% -
random/pr36439.cpp 7.12% 33.160 35.521 - 6.34% -
random/pr70614.c 4.10% 1.435 1.494 - 1.53% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp 11.34% 330.88 MB 368.41 MB - -1.83% -
random/pr12850.cpp 5.16% 569.88 MB 599.28 MB - 0.05% -
random/empty.C 5.09% 17.34 MB 18.23 MB - 0.28% -
random/empty.c 3.78% 16.24 MB 16.85 MB - 0.70% -
random/pr39326.c 2.58% 575.34 MB 590.18 MB - -0.09% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -28.83% 117.203 83.408 - 1.84% -
random/pr29433.cpp -12.67% 3.947 3.446 - -16.77% -
random/pr12392.cpp -6.28% 38.857 36.416 - 1.30% -
random/pr36498.cpp -4.39% 16.283 15.568 - 1.70% -
random/pr26854-2.c -4.38% 57.018 54.522 - 3.78% -
random/pr36291.cpp -2.95% 29.982 29.098 - 2.39% -
random/pr36262.c -2.89% 33.635 32.664 - 1.05% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -7.53% 908.87 MB 840.39 MB - -0.06% -
random/pr28071.c -6.60% 1.32 GB 1.23 GB - -0.09% -
random/pr60243.c -3.33% 2.10 GB 2.03 GB - 0.09% -
random/pr26854-2.c -2.91% 1.45 GB 1.41 GB - 0.06% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr29433.cpp/elf/sections/text


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