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: 1482.030
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 20200131 (experimental) 42f36563ef655db48d5fda60cd7f3eac9650dade
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 42f36563ef655db48d5fda60cd7f3eac9650dade
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 1580430523000.42f36563ef655db48d5fda60cd7f3eac9650dade 2020-01-31T07:28:26.627012 0:01:32.733335
Previous 1580345037000.66af5a226acd0edfbafcbcac76ed268cee0612ed 2020-01-30T07:28:37.238828 0:01:33.038965
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364


Tests Summary

Status Group # # (B)
Performance Regressions 0 3
Performance Improvements 2 14
Added Tests 3 3
Unchanged Tests 265 250
Total Tests 270

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp -20.23% 3.973 3.169 - -19.70% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp -2.45% 353.29 MB 344.62 MB - -3.61% -

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

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 3.87% 17.34 MB 18.02 MB - 0.35% -
random/empty.c 3.54% 16.24 MB 16.81 MB - 0.75% -
random/pr12850.cpp 2.19% 569.88 MB 582.38 MB - -0.12% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -29.33% 117.203 82.833 - -0.50% -
random/pr29433.cpp -19.70% 3.947 3.169 - -20.23% -
random/pr36498.cpp -5.56% 16.283 15.378 - 0.21% -
random/pr12850.cpp -4.95% 41.140 39.104 - -0.93% -
random/pr12392.cpp -4.43% 38.857 37.137 - 1.74% -
random/pr36291.cpp -4.05% 29.982 28.767 - 0.06% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -8.46% 908.87 MB 832.00 MB - -0.02% -
random/pr28071.c -6.59% 1.32 GB 1.23 GB - 0.03% -
random/pr26854-2.c -4.96% 1.45 GB 1.38 GB - 0.01% -
random/pr36498.cpp -3.61% 357.54 MB 344.62 MB - -2.45% -
random/pr70614.c -3.49% 62.45 MB 60.27 MB - 0.51% -
random/pr60243.c -3.42% 2.10 GB 2.03 GB - 0.01% -
random/pr36262.c -2.17% 2.88 GB 2.81 GB - 0.01% -
random/pr38518.c -2.11% 2.88 GB 2.82 GB - 0.00% -

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


Report Time: 0.11s