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) 11.0.1 20210312 (experimental) 48ff383f0d9e917bcb7bcc091af413bcae07b440
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 48ff383f0d9e917bcb7bcc091af413bcae07b440
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.O0_g test results

Run Order Start Time Duration
Current 1615508189000.48ff383f0d9e917bcb7bcc091af413bcae07b440 2021-03-12T09:29:33.121490 0:01:35.475019
Previous 1615485177000.5643f6f396ef7f60d317aef07dd98978cec6afd0 2021-03-11T22:46:21.305678 0:01:34.487777
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 3 9
Performance Improvements 1 16
Added Tests 3 3
Unchanged Tests 317 296
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp 7.96% 11.671 12.600 - -4.55% -
random/pr12392.cpp 3.25% 3.662 3.782 - -14.33% -
random/pr39326.c 2.47% 1.218 1.248 - -39.61% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp -2.78% 14.814 14.403 - -8.43% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 16.38% 495.30 MB 576.42 MB - -0.02% -
random/pr12392.cpp 9.88% 301.95 MB 331.79 MB - -0.04% -
random/empty.C 7.26% 17.59 MB 18.86 MB - -0.94% -
random/empty.c 7.19% 16.47 MB 17.66 MB - 0.71% -
random/pr60243.c 6.37% 1.68 GB 1.79 GB - 0.01% -
random/pr36439.cpp 4.81% 346.68 MB 363.36 MB - -0.05% -
random/pr70614.c 3.41% 42.26 MB 43.70 MB - 0.43% -
random/pr29433.cpp 3.19% 1.91 GB 1.97 GB - -0.01% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf/sections/text 2.03% 436.45 KB 445.30 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -40.94% 0.308 0.182 - 0.25% -
random/pr39326.c -39.61% 2.067 1.248 - 2.47% -
random/pr36262.c -36.79% 0.938 0.593 - -0.27% -
random/pr38518.c -33.84% 0.935 0.619 - -0.86% -
random/pr69609.c -20.97% 5.212 4.119 - -0.05% -
random/pr36439.cpp -16.41% 6.258 5.231 - 1.73% -
random/pr12392.cpp -14.33% 4.414 3.782 - 3.25% -
random/pr36291.cpp -13.37% 11.540 9.998 - 0.09% -
random/pr28071.c -11.07% 10.691 9.508 - -0.27% -
random/pr60243.c -11.04% 43.428 38.632 - 0.73% -
random/pr29433.cpp -8.43% 15.730 14.403 - -2.78% -
random/pr12850.cpp -4.55% 13.201 12.600 - 7.96% -
random/pr26854-2.c -2.83% 5.248 5.100 - 0.32% -
random/pr26854.c -2.60% 32.704 31.852 - 0.47% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -4.94% 302.40 MB 287.45 MB - 0.20% -
random/pr36291.cpp -4.70% 508.96 MB 485.05 MB - -0.05% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text


Report Time: 0.13s