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: 3257.010
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 20201119 (experimental) 700337494e1b0d5ff608e1a3c77852381e264653
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 700337494e1b0d5ff608e1a3c77852381e264653
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 1605758466000.700337494e1b0d5ff608e1a3c77852381e264653 2020-11-19T07:29:28.838692 0:01:33.781415
Previous 1605682947000.4b81528241ca682025d92558ff6aeec91dafdca8 2020-11-18T10:17:14.191512 0:01:33.387849
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 2 9
Performance Improvements 1 18
Added Tests 3 3
Unchanged Tests 318 294
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 6.16% 5.224 5.545 - -11.38% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C 5.62% 18.57 MB 19.61 MB - 11.51% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c -3.23% 1.250 1.210 - -41.45% -

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 16.91% 495.30 MB 579.08 MB - 0.20% -
random/pr12392.cpp 12.31% 301.95 MB 339.11 MB - -1.31% -
random/empty.C 11.51% 17.59 MB 19.61 MB - 5.62% -
random/pr60243.c 6.22% 1.68 GB 1.78 GB - 0.00% -
random/empty.c 5.41% 16.47 MB 17.36 MB - 0.00% -
random/pr29433.cpp 3.16% 1.91 GB 1.97 GB - 0.06% -
random/pr36439.cpp 2.49% 346.68 MB 355.31 MB - 0.36% -

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/pr39326.c -41.45% 2.067 1.210 - -3.23% -
random/pr70614.c -39.62% 0.308 0.186 - 0.74% -
random/pr36262.c -36.50% 0.938 0.595 - 0.47% -
random/pr38518.c -34.93% 0.935 0.608 - 0.12% -
random/pr69609.c -21.07% 5.212 4.114 - 1.52% -
random/pr36291.cpp -13.14% 11.540 10.024 - 0.05% -
random/pr12392.cpp -12.72% 4.414 3.853 - 0.05% -
random/pr60243.c -12.06% 43.428 38.190 - -0.44% -
random/pr36439.cpp -11.38% 6.258 5.545 - 6.16% -
random/pr12850.cpp -11.10% 13.201 11.735 - 0.21% -
random/pr28071.c -10.74% 10.691 9.542 - -0.97% -
random/pr29433.cpp -7.94% 15.730 14.480 - -1.41% -
tramp3d -6.78% 14.619 13.628 - 0.07% -
random/pr26854-2.c -3.47% 5.248 5.066 - -0.21% -
random/pr26854.c -3.11% 32.704 31.688 - -0.56% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -4.78% 508.96 MB 484.65 MB - 0.31% -
random/pr28071.c -4.66% 302.40 MB 288.30 MB - 0.07% -
random/pr39326.c -2.04% 158.00 MB 154.78 MB - 0.36% -

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


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