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: 1477.946
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) 2.35.1.20201112-1
Copyright (C) 2020 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) 11.0.1 20210416 (experimental) 0754a104bed7c8a937f0623ad15ca03387131210
Copyright (C) 2021 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 0754a104bed7c8a937f0623ad15ca03387131210
glibc GNU C Library (GNU libc) release release version 2.32 (git 0a8262a1b2).
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.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 10.2.1 20201202 [revision e563687cf9d3d1278f45aaebd03e0f66531076c9].
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) 2.35.1.20201112-1
options None
reason None
uname Linux benzen 5.10.7-1-default #1 SMP Wed Jan 13 06:08:43 UTC 2021 (1c33a89) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk.Ofast test results

Run Order Start Time Duration
Current 1618603105000.0754a104bed7c8a937f0623ad15ca03387131210 2021-04-16T23:44:53.400352 0:01:35.143329
Previous 1618445807000.df3b1289521e6f24d5151fc5f7b135b8bf3009bc 2021-04-15T07:29:56.053756 0:01:35.097102
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364


Tests Summary

Status Group # # (B)
Performance Regressions 1 15
Performance Improvements 0 19
Added Tests 7 3
Unchanged Tests 262 233
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 3.99% 48.415 50.347 - -11.70% -

Added Tests - compile_time
random/pr28071.c

Added Tests - mem_bytes
random/pr28071.c

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr28071.c/elf
random/pr28071.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 111.83% 68.825 145.792 - 0.00% -
random/pr36439.cpp 7.37% 33.160 35.606 - -0.05% -
random/pr12850.cpp 2.53% 41.140 42.179 - -0.06% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 126.34% 575.34 MB 1.27 GB - -0.02% -
random/pr28071.c 77.18% 1.32 GB 2.33 GB - 0.00% -
random/pr29433.cpp 13.23% 330.88 MB 374.67 MB - 0.04% -
random/empty.C 12.05% 17.34 MB 19.43 MB - -0.32% -
random/empty.c 6.42% 16.24 MB 17.28 MB - 0.36% -
random/pr12850.cpp 4.21% 569.88 MB 593.86 MB - -0.10% -
random/pr36291.cpp 4.08% 480.34 MB 499.93 MB - 0.05% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text 44.21% 91.26 KB 131.60 KB - 0.00% -
random/pr26854-2.c/elf/sections/text 5.53% 323.69 KB 341.58 KB - 0.00% -
random/pr36439.cpp/elf/sections/text 5.07% 123.36 KB 129.62 KB - 0.00% -
random/pr36262.c/elf 2.13% 511.09 KB 521.98 KB - 0.00% -
random/pr38518.c/elf 2.13% 511.09 KB 521.98 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -44.95% 1.435 0.790 - -0.33% -
random/pr60243.c -16.11% 117.203 98.324 - 0.63% -
random/pr29433.cpp -14.35% 3.947 3.380 - 0.14% -
random/pr26854-2.c -11.70% 57.018 50.347 - 3.99% -
random/pr12392.cpp -10.73% 38.857 34.689 - 0.00% -
random/pr38518.c -8.71% 33.910 30.955 - -0.09% -
random/pr36262.c -8.19% 33.635 30.879 - -0.16% -
random/pr39326.c -4.83% 104.650 99.597 - -1.32% -
random/pr36291.cpp -2.59% 29.982 29.205 - -0.02% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -76.55% 2.88 GB 690.91 MB - -0.21% -
random/pr38518.c -76.53% 2.88 GB 691.11 MB - -0.03% -
random/pr26854-2.c -33.75% 1.45 GB 983.32 MB - -0.03% -
random/pr12392.cpp -14.03% 908.87 MB 781.37 MB - -0.01% -
random/pr60243.c -8.16% 2.10 GB 1.93 GB - -0.00% -
random/pr70614.c -2.21% 62.45 MB 61.06 MB - -0.09% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -28.36% 964.91 KB 691.23 KB - 0.00% -
random/pr39326.c/elf/sections/text -8.96% 339.86 KB 309.42 KB - 0.00% -
random/pr28071.c/elf/sections/text -4.26% 810.08 KB 775.57 KB - 0.00% -
random/pr28071.c/elf -2.89% 1.28 MB 1.24 MB - 0.00% -

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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