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: 3992.35
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 Mmio stale data: Not affected
Vulnerability Retbleed: Mitigation; untrained return thunk; SMT enabled with STIBP protection
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; Retpolines, IBPB conditional, STIBP always-on, RSB filling, PBRSB-eIBRS Not affected
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
memory MemTotal: 263696376 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) 12.0.0 20210507 (experimental) cfe82a0cbe72baa723f7d89502cdf59c0e87fff4
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 cfe82a0cbe72baa723f7d89502cdf59c0e87fff4
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 1620346593000.cfe82a0cbe72baa723f7d89502cdf59c0e87fff4 2021-05-07T07:27:28.440085 0:01:33.430124
Previous 1620263742000.e1fcf14f33e4f371aae8ae497ca58a760d53ca6d 2021-05-06T07:27:16.038107 0:01:34.890126
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364


Tests Summary

Status Group # # (B)
Performance Regressions 1 13
Performance Improvements 0 16
Added Tests 3 3
Unchanged Tests 266 238
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 2.24% 96.624 98.791 - -5.60% -

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/pr36439.cpp 7.77% 33.160 35.736 - 0.55% -
random/pr12850.cpp 2.79% 41.140 42.286 - -0.20% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 125.64% 575.34 MB 1.27 GB - 0.00% -
random/pr29433.cpp 13.99% 330.88 MB 377.17 MB - 0.37% -
random/empty.C 9.93% 17.34 MB 19.07 MB - -0.31% -
random/empty.c 6.78% 16.24 MB 17.34 MB - 0.73% -
random/pr12850.cpp 4.24% 569.88 MB 594.02 MB - -0.17% -
random/pr36291.cpp 4.03% 480.34 MB 499.68 MB - -0.16% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text 43.99% 91.26 KB 131.40 KB - 0.06% -
random/pr26854-2.c/elf/sections/text 7.16% 323.69 KB 346.88 KB - 0.00% -
random/pr36439.cpp/elf/sections/text 4.72% 123.36 KB 129.18 KB - 0.00% -
random/pr36262.c/elf 2.07% 511.09 KB 521.66 KB - 0.00% -
random/pr38518.c/elf 2.07% 511.09 KB 521.66 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -44.82% 1.435 0.792 - -0.54% -
random/pr60243.c -15.87% 117.203 98.607 - 0.39% -
random/pr29433.cpp -14.24% 3.947 3.384 - 0.49% -
random/pr26854-2.c -13.79% 57.018 49.154 - 0.62% -
random/pr12392.cpp -10.63% 38.857 34.725 - 1.13% -
random/pr38518.c -8.26% 33.910 31.110 - 0.16% -
random/pr36262.c -6.95% 33.635 31.298 - 0.30% -
random/pr39326.c -5.60% 104.650 98.791 - 2.24% -
random/pr36291.cpp -2.12% 29.982 29.346 - 0.15% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -76.21% 2.88 GB 701.05 MB - -0.03% -
random/pr38518.c -76.20% 2.88 GB 700.94 MB - 0.10% -
random/pr26854-2.c -33.60% 1.45 GB 985.51 MB - -0.01% -
random/pr12392.cpp -14.04% 908.87 MB 781.25 MB - 0.06% -
random/pr60243.c -8.15% 2.10 GB 1.93 GB - 0.01% -

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% -

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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