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: 1495.035
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) 2.32.0.20190909-8
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) 10.0.0 20191217 (experimental) 354f7b6be662b2449a660471866f765efd60c546
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.
git_revision 354f7b6be662b2449a660471866f765efd60c546
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-honza.Ofast test results

Run Order Start Time Duration
Current 1576612083000.354f7b6be662b2449a660471866f765efd60c546 2019-12-17T23:33:02.893919 0:01:29.909201
Previous 1574634918000.036b671c2b91a89707a156a90f5515f43845e129 2019-11-25T01:09:11.592387 0:01:31.792045
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785


Tests Summary

Status Group # # (B)
Performance Regressions 3 3
Performance Improvements 8 10
Added Tests 3 3
Unchanged Tests 256 254
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c 3.60% 33.459 34.665 - 1.85% -
random/pr12850.cpp 2.02% 39.279 40.072 - -0.40% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp 2.68% 567.88 MB 583.08 MB - 2.11% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -3.92% 57.537 55.282 - -4.86% -
random/pr12392.cpp -2.57% 37.744 36.774 - -7.34% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -7.97% 908.51 MB 836.10 MB - -8.41% -
random/pr28071.c -6.21% 1.31 GB 1.23 GB - -7.51% -
random/pr26854-2.c -5.04% 1.45 GB 1.37 GB - -5.14% -
random/pr70614.c -3.71% 62.68 MB 60.35 MB - -2.82% -
random/pr36262.c -2.69% 2.89 GB 2.81 GB - -3.16% -
random/pr38518.c -2.62% 2.89 GB 2.82 GB - -3.09% -

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/pr70614.c 2.46% 1.422 1.457 - 0.11% -
random/pr36439.cpp 2.17% 32.509 33.214 - 1.54% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 2.11% 571.05 MB 583.08 MB - 2.68% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -29.91% 120.115 84.193 - -0.95% -
random/pr12392.cpp -7.34% 39.689 36.774 - -2.57% -
random/pr26854-2.c -4.86% 58.105 55.282 - -3.92% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -8.41% 912.91 MB 836.10 MB - -7.97% -
random/pr28071.c -7.51% 1.33 GB 1.23 GB - -6.21% -
random/pr26854-2.c -5.14% 1.45 GB 1.37 GB - -5.04% -
random/pr60243.c -3.88% 2.11 GB 2.03 GB - -0.03% -
random/pr36262.c -3.16% 2.91 GB 2.81 GB - -2.69% -
random/pr38518.c -3.09% 2.91 GB 2.82 GB - -2.62% -
random/pr70614.c -2.82% 62.10 MB 60.35 MB - -3.71% -

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


Report Time: 0.14s
Name Current %
random/empty.C 17.50 MB -
random/empty.c 16.39 MB -
random/pr12392.cpp 836.10 MB -7.97%
random/pr12850.cpp 583.08 MB 2.68%
random/pr26854-2.c 1.37 GB -5.04%
random/pr28071.c 1.23 GB -6.21%
random/pr29433.cpp 332.21 MB -
random/pr36262.c 2.81 GB -2.69%
random/pr36291.cpp 483.23 MB -
random/pr36439.cpp 450.57 MB -
random/pr36498.cpp 352.79 MB -
random/pr38518.c 2.82 GB -2.62%
random/pr39326.c 575.98 MB -
random/pr60243.c 2.03 GB -
random/pr70614.c 60.35 MB -3.71%
Geometric Mean 435.14 MB -