Fields

hardware None
os_version None

Parameters

cpu Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 48 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 128
On-line CPU(s) list: 0-127
Vendor ID: AuthenticAMD
Model name: AMD EPYC 7702 64-Core Processor
CPU family: 23
Model: 49
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
Stepping: 0
Frequency boost: enabled
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.51
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 rapl 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 v_spec_ctrl umip rdpid overflow_recov succor smca
Virtualization: AMD-V
L1d cache: 2 MiB (64 instances)
L1i cache: 2 MiB (64 instances)
L2 cache: 32 MiB (64 instances)
L3 cache: 256 MiB (16 instances)
NUMA node(s): 1
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
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
memory MemTotal: 263689116 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.36.1.20210326-4
Copyright (C) 2021 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) 10.3.1 20210626 01f266b94b73dc103906d41d5a0a14b7997b0a78
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 01f266b94b73dc103906d41d5a0a14b7997b0a78
glibc GNU C Library (GNU libc) release release version 2.33 (git 9826b03b74).
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.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 11.1.1 20210510 [revision 23855a176609fe8dda6abaf2b21846b4517966eb].
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) 2.36.1.20210326-4
options None
reason None
uname Linux benzen 5.12.9-1-default #1 SMP Thu Jun 3 07:44:58 UTC 2021 (f17eb01) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-10.Ofast test results

Run Order Start Time Duration
Current 1624666646000.01f266b94b73dc103906d41d5a0a14b7997b0a78 2021-06-26T09:34:03.653978 0:01:40.443038
Previous 1619309858000.ef21abb274edbe413012e1bb498863108317a7b8 2021-04-25T22:24:15.543844 0:01:37.039258
Baseline 1590812319000.6632f2920f08f5b45ffd1ada7006d4591ef9b172 2020-05-30T09:54:31.708717 0:01:35.679834


Tests Summary

Status Group # # (B)
Performance Regressions 2 2
Performance Improvements 3 14
Added Tests 3 3
Unchanged Tests 262 251
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 3.47% 54.445 56.335 - 0.39% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c 3.91% 58.84 MB 61.14 MB - 1.08% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -28.18% 1.23 GB 903.52 MB - -28.27% -
random/pr39326.c -18.17% 589.22 MB 482.19 MB - -16.27% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp/elf -4.40% 91.45 KB 87.43 KB - -4.40% -

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 7.60% 106.622 114.725 - 1.51% -
random/pr28071.c 2.14% 83.774 85.570 - -0.50% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -47.24% 1.483 0.782 - 0.30% -
random/pr29433.cpp -21.62% 3.987 3.125 - -0.50% -
random/pr12850.cpp -5.27% 41.757 39.555 - -0.64% -
random/pr36262.c -4.39% 34.756 33.231 - 0.55% -
random/pr36291.cpp -3.77% 28.906 27.816 - -1.68% -
random/pr12392.cpp -2.72% 36.502 35.510 - 0.47% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -76.96% 2.81 GB 663.75 MB - -0.05% -
random/pr38518.c -76.93% 2.81 GB 664.01 MB - 0.01% -
random/pr12392.cpp -40.11% 832.63 MB 498.66 MB - -0.18% -
random/pr26854-2.c -29.98% 1.38 GB 988.28 MB - -0.40% -
random/pr28071.c -28.27% 1.23 GB 903.52 MB - -28.18% -
random/pr39326.c -16.27% 575.89 MB 482.19 MB - -18.17% -
random/pr12850.cpp -2.57% 582.23 MB 567.28 MB - -0.01% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp/elf -4.40% 91.45 KB 87.43 KB - -4.40% -

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


Report Time: 0.08s
Name Current %
random/empty.C 18.30 MB -
random/empty.c 16.79 MB -
random/pr12392.cpp 498.66 MB -
random/pr12850.cpp 567.28 MB -
random/pr26854-2.c 988.28 MB -
random/pr28071.c 903.52 MB -28.18%
random/pr29433.cpp 333.62 MB -
random/pr36262.c 663.75 MB -
random/pr36291.cpp 479.38 MB -
random/pr36439.cpp 451.24 MB -
random/pr38518.c 664.01 MB -
random/pr39326.c 482.19 MB -18.17%
random/pr60243.c 2.02 GB -
random/pr70614.c 61.14 MB 3.91%
Geometric Mean 325.65 MB -3.56%