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) 2.34.0.20200325-1
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 20200911 (experimental) 848e74bea1e8031925d3efe2d85b555a3cf8db38
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 848e74bea1e8031925d3efe2d85b555a3cf8db38
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.O0_g test results

Run Order Start Time Duration
Current 1599790418000.848e74bea1e8031925d3efe2d85b555a3cf8db38 2020-09-11T07:24:57.706157 0:01:32.606176
Previous 1600744894000.37edf28c24b7bd198c27d266af9aefad417635fd 2020-09-22T07:24:51.267907 0:01:30.246518
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 5 11
Performance Improvements 1 10
Added Tests 3 3
Unchanged Tests 315 300
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 7.67% 6.090 6.558 - 4.79% -
random/pr12392.cpp 7.41% 4.559 4.897 - 10.94% -
random/pr69609.c 3.39% 4.741 4.902 - -5.96% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 2.88% 354.23 MB 364.42 MB - 5.12% -
random/pr70614.c 2.02% 41.64 MB 42.48 MB - 0.54% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp -3.16% 11.537 11.172 - -3.19% -

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

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp 10.94% 4.414 4.897 - 7.41% -
random/pr36439.cpp 4.79% 6.258 6.558 - 7.67% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 19.83% 495.30 MB 593.50 MB - 0.00% -
random/pr12392.cpp 15.13% 301.95 MB 347.62 MB - -0.09% -
random/pr36439.cpp 5.12% 346.68 MB 364.42 MB - 2.88% -
random/empty.C 4.40% 17.59 MB 18.36 MB - 1.34% -
random/empty.c 3.56% 16.47 MB 17.06 MB - 0.44% -
random/pr29433.cpp 2.54% 1.91 GB 1.96 GB - -0.03% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp/elf 2.94% 1.18 MB 1.22 MB - -0.01% -
random/pr36291.cpp/elf 2.46% 7.17 MB 7.35 MB - -0.00% -
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
tramp3d -9.68% 14.619 13.204 - -0.96% -
random/pr29433.cpp -5.96% 15.730 14.792 - -1.92% -
random/pr69609.c -5.96% 5.212 4.902 - 3.39% -
random/pr28071.c -3.84% 10.691 10.280 - -1.16% -
random/pr12850.cpp -3.75% 13.201 12.705 - -0.49% -
random/pr26854.c -3.26% 32.704 31.639 - -1.67% -
random/pr36291.cpp -3.19% 11.540 11.172 - -3.16% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -5.48% 508.96 MB 481.07 MB - -0.11% -
random/pr28071.c -4.70% 302.40 MB 288.20 MB - -0.23% -
random/pr39326.c -3.01% 158.00 MB 153.25 MB - -0.12% -

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


Report Time: 0.17s