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) 2.34.0.20200325-1
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) 11.0.0 20200728 (experimental) 0ff959e0a2214fa553ac2d06ed66ede62602fc9a
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 0ff959e0a2214fa553ac2d06ed66ede62602fc9a
glibc GNU C Library (GNU libc) stable release version 2.31 (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 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2].
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) 2.34.0.20200325-1
options None
reason None
uname Linux benzen 5.7.9-1-default #1 SMP Thu Jul 16 09:40:08 UTC 2020 (a010166) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk.Ofast test results

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


Tests Summary

Status Group # # (B)
Performance Regressions 1 9
Performance Improvements 7 12
Added Tests 3 3
Unchanged Tests 259 246
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp 20.15% 3.446 4.141 - 4.92% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -5.96% 35.521 33.404 - 0.74% -
random/pr38518.c -4.48% 33.790 32.278 - -4.81% -
random/pr26854-2.c -3.64% 54.522 52.536 - -7.86% -
random/pr28071.c -3.42% 75.548 72.968 - 6.02% -
random/pr39326.c -2.99% 114.486 111.062 - 6.13% -
random/pr12850.cpp -2.87% 40.421 39.260 - -4.57% -
random/pr36291.cpp -2.33% 29.098 28.419 - -5.21% -

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/pr39326.c 6.13% 104.650 111.062 - -2.99% -
random/pr28071.c 6.02% 68.825 72.968 - -3.42% -
random/pr29433.cpp 4.92% 3.947 4.141 - 20.15% -
random/pr70614.c 2.53% 1.435 1.471 - -1.51% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp 13.42% 330.88 MB 375.28 MB - 1.86% -
random/pr12850.cpp 5.11% 569.88 MB 599.00 MB - -0.05% -
random/empty.C 4.80% 17.34 MB 18.18 MB - -0.28% -
random/empty.c 3.06% 16.24 MB 16.73 MB - -0.70% -
random/pr39326.c 2.67% 575.34 MB 590.68 MB - 0.09% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -30.12% 117.203 81.898 - -1.81% -
random/pr26854-2.c -7.86% 57.018 52.536 - -3.64% -
random/pr12392.cpp -7.48% 38.857 35.949 - -1.28% -
random/pr36498.cpp -5.99% 16.283 15.307 - -1.67% -
random/pr36291.cpp -5.21% 29.982 28.419 - -2.33% -
random/pr38518.c -4.81% 33.910 32.278 - -4.48% -
random/pr12850.cpp -4.57% 41.140 39.260 - -2.87% -
random/pr36262.c -3.90% 33.635 32.324 - -1.04% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -7.48% 908.87 MB 840.89 MB - 0.06% -
random/pr28071.c -6.52% 1.32 GB 1.23 GB - 0.09% -
random/pr60243.c -3.42% 2.10 GB 2.03 GB - -0.09% -
random/pr26854-2.c -2.97% 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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