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: 1498.366
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.84
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: 263696144 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 20201124 (experimental) 2aaf44a90283156ec0e70ad4d9030f3ba5054c6f
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 2aaf44a90283156ec0e70ad4d9030f3ba5054c6f
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 1606205068000.2aaf44a90283156ec0e70ad4d9030f3ba5054c6f 2020-11-24T12:03:28.117382 0:01:35.399946
Previous 1606192464000.4cd35cf3fdb70e2107f6b059f638f5bde4dae1c3 2020-11-24T09:02:01.994916 0:01:34.428966
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 0 9
Performance Improvements 1 18
Added Tests 3 3
Unchanged Tests 320 294
Total Tests 324

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr69609.c -2.14% 4.127 4.039 - -22.51% -

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 16.88% 495.30 MB 578.90 MB - 0.10% -
random/pr12392.cpp 14.63% 301.95 MB 346.13 MB - 0.19% -
random/pr60243.c 6.22% 1.68 GB 1.78 GB - 0.03% -
random/empty.C 5.26% 17.59 MB 18.51 MB - 0.00% -
random/empty.c 5.07% 16.47 MB 17.31 MB - 0.00% -
random/pr29433.cpp 3.12% 1.91 GB 1.97 GB - -0.02% -
random/pr36439.cpp 2.35% 346.68 MB 354.84 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp/elf 2.63% 1.18 MB 1.21 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
random/pr70614.c -40.49% 0.308 0.183 - -1.42% -
random/pr39326.c -40.12% 2.067 1.238 - -1.35% -
random/pr36262.c -36.83% 0.938 0.592 - -0.75% -
random/pr38518.c -35.35% 0.935 0.605 - -1.31% -
random/pr69609.c -22.51% 5.212 4.039 - -2.14% -
random/pr36439.cpp -16.71% 6.258 5.212 - 0.05% -
random/pr36291.cpp -13.38% 11.540 9.997 - -0.27% -
random/pr12392.cpp -12.74% 4.414 3.852 - -0.14% -
random/pr60243.c -11.94% 43.428 38.244 - -0.30% -
random/pr12850.cpp -11.49% 13.201 11.684 - -0.02% -
random/pr28071.c -10.17% 10.691 9.603 - 0.23% -
random/pr29433.cpp -8.40% 15.730 14.409 - -0.26% -
tramp3d -6.85% 14.619 13.618 - -0.34% -
random/pr26854.c -4.08% 32.704 31.370 - -1.29% -
random/pr26854-2.c -3.46% 5.248 5.067 - -0.52% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -4.98% 508.96 MB 483.61 MB - 0.00% -
random/pr28071.c -4.88% 302.40 MB 287.65 MB - -0.25% -
random/pr39326.c -2.11% 158.00 MB 154.68 MB - 0.00% -

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


Report Time: 0.11s