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: 1460.488
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) 10.0.0 20191120 (experimental) f98d7a23d8fe9ea53e6a60fa87b3c52f928dc92a
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 f98d7a23d8fe9ea53e6a60fa87b3c52f928dc92a
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 1574211766000.f98d7a23d8fe9ea53e6a60fa87b3c52f928dc92a 2019-11-20T09:04:33.469618 0:01:32.510281
Previous 1574122909000.baacd859bdd910315ec116a2baea2e32fc70df62 2019-11-19T07:29:52.737868 0:01:30.750813
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364


Tests Summary

Status Group # # (B)
Performance Regressions 15 2
Performance Improvements 7 6
Added Tests 3 3
Unchanged Tests 245 259
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 10.85% 75.646 83.857 - -28.45% -
random/pr26854-2.c 2.91% 54.977 56.578 - -0.77% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 48.97% 238.22 MB 354.89 MB - -0.74% -
random/pr12850.cpp 41.79% 400.82 MB 568.32 MB - -0.27% -
random/pr36439.cpp 41.55% 318.88 MB 451.36 MB - -0.28% -
random/pr36291.cpp 39.98% 342.58 MB 479.53 MB - -0.17% -
random/pr39326.c 17.96% 487.62 MB 575.19 MB - -0.03% -
random/pr12392.cpp 16.34% 780.89 MB 908.51 MB - -0.04% -
random/pr28071.c 15.30% 1.14 GB 1.31 GB - -0.25% -
random/pr70614.c 14.85% 54.62 MB 62.73 MB - 0.45% -
random/pr60243.c 10.91% 1.83 GB 2.03 GB - -3.38% -
random/pr29433.cpp 8.91% 303.88 MB 330.95 MB - 0.02% -
random/pr26854-2.c 5.11% 1.38 GB 1.45 GB - -0.08% -
random/pr38518.c 4.58% 2.76 GB 2.89 GB - 0.55% -
random/pr36262.c 4.56% 2.77 GB 2.89 GB - 0.49% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp -12.19% 17.730 15.569 - -4.39% -
random/pr38518.c -7.92% 36.342 33.463 - -1.32% -
random/pr12850.cpp -7.28% 42.171 39.102 - -4.95% -
random/pr36439.cpp -7.24% 35.238 32.687 - -1.43% -
random/pr29433.cpp -5.06% 4.170 3.959 - 0.31% -
random/pr36291.cpp -4.92% 30.229 28.743 - -4.13% -
random/pr12392.cpp -2.18% 39.099 38.245 - -1.57% -

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 3.27% 16.24 MB 16.77 MB - 0.00% -
random/empty.C 2.70% 17.34 MB 17.81 MB - 0.35% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -28.45% 117.203 83.857 - 10.85% -
random/pr12850.cpp -4.95% 41.140 39.102 - -7.28% -
random/pr36498.cpp -4.39% 16.283 15.569 - -12.19% -
random/pr36291.cpp -4.13% 29.982 28.743 - -4.92% -
random/pr28071.c -3.79% 68.825 66.217 - -0.52% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -3.38% 2.10 GB 2.03 GB - 10.91% -

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


Report Time: 0.10s
Name Current %
random/empty.c 16.77 MB -
random/empty.C 17.81 MB -
random/pr12392.cpp 908.51 MB 16.34%
random/pr12850.cpp 568.32 MB 41.79%
random/pr26854-2.c 1.45 GB 5.11%
random/pr28071.c 1.31 GB 15.30%
random/pr29433.cpp 330.95 MB 8.91%
random/pr36262.c 2.89 GB 4.56%
random/pr36291.cpp 479.53 MB 39.98%
random/pr36439.cpp 451.36 MB 41.55%
random/pr36498.cpp 354.89 MB 48.97%
random/pr38518.c 2.89 GB 4.58%
random/pr39326.c 575.19 MB 17.96%
random/pr60243.c 2.03 GB 10.91%
random/pr70614.c 62.73 MB 14.85%
Geometric Mean 443.98 MB 17.04%