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: 1500.000
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.68
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: 263695408 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 20201016 (experimental) aeec13470a162df318d39c002f2ee90f6d849df7
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 aeec13470a162df318d39c002f2ee90f6d849df7
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-honza.O0_g test results

Run Order Start Time Duration
Current 1602843535000.aeec13470a162df318d39c002f2ee90f6d849df7 2020-10-16T18:18:44.693585 0:01:34.801465
Previous 1602359301000.afec2114520b6e7c5762f5e791f9f33d660b597e 2020-10-10T23:14:33.132184 0:01:31.586424
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913


Tests Summary

Status Group # # (B)
Performance Regressions 0 9
Performance Improvements 13 17
Added Tests 3 3
Unchanged Tests 308 295
Total Tests 324

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -40.42% 0.306 0.182 - -40.20% -
random/pr39326.c -40.03% 2.071 1.242 - -39.62% -
random/pr36262.c -37.89% 0.942 0.585 - -37.02% -
random/pr38518.c -36.32% 0.938 0.598 - -35.88% -
random/pr12392.cpp -19.70% 4.791 3.847 - -18.52% -
random/pr69609.c -18.20% 4.959 4.057 - -18.13% -
random/pr36439.cpp -15.20% 6.110 5.181 - -17.97% -
random/pr28071.c -8.94% 10.328 9.405 - -11.80% -
random/pr29433.cpp -8.20% 15.962 14.654 - -7.42% -
tramp3d -7.32% 14.692 13.616 - -3.78% -
random/pr12850.cpp -7.12% 12.589 11.692 - -11.23% -
random/pr36291.cpp -5.19% 11.065 10.491 - -9.19% -
random/pr26854-2.c -2.48% 5.172 5.043 - -4.63% -

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 20.13% 494.55 MB 594.12 MB - 0.16% -
random/pr12392.cpp 16.02% 300.94 MB 349.16 MB - 0.37% -
random/pr36439.cpp 5.44% 346.68 MB 365.55 MB - 0.11% -
random/empty.C 4.68% 17.71 MB 18.54 MB - -0.23% -
random/empty.c 3.92% 16.54 MB 17.19 MB - 1.10% -
random/pr29433.cpp 2.60% 1.91 GB 1.96 GB - 0.01% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp/elf 3.02% 1.18 MB 1.22 MB - 0.00% -
random/pr36291.cpp/elf 2.47% 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
random/pr70614.c -40.20% 0.305 0.182 - -40.42% -
random/pr39326.c -39.62% 2.057 1.242 - -40.03% -
random/pr36262.c -37.02% 0.929 0.585 - -37.89% -
random/pr38518.c -35.88% 0.932 0.598 - -36.32% -
random/pr12392.cpp -18.52% 4.721 3.847 - -19.70% -
random/pr69609.c -18.13% 4.955 4.057 - -18.20% -
random/pr36439.cpp -17.97% 6.317 5.181 - -15.20% -
random/pr28071.c -11.80% 10.663 9.405 - -8.94% -
random/pr12850.cpp -11.23% 13.171 11.692 - -7.12% -
random/pr36291.cpp -9.19% 11.552 10.491 - -5.19% -
random/pr29433.cpp -7.42% 15.829 14.654 - -8.20% -
random/pr26854.c -5.64% 33.372 31.492 - -1.13% -
random/pr26854-2.c -4.63% 5.288 5.043 - -2.48% -
tramp3d -3.78% 14.152 13.616 - -7.32% -
random/pr60243.c -3.11% 43.016 41.678 - -1.39% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -5.36% 509.29 MB 482.00 MB - 0.05% -
random/pr28071.c -4.21% 301.07 MB 288.40 MB - -0.20% -

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


Report Time: 0.09s
Name Current %
random/empty.C 0.023 -
random/empty.c 0.022 -
random/pr12392.cpp 3.847 -19.70%
random/pr12850.cpp 11.692 -7.12%
random/pr26854-2.c 5.043 -2.48%
random/pr26854.c 31.492 -
random/pr28071.c 9.405 -8.94%
random/pr29433.cpp 14.654 -8.20%
random/pr36262.c 0.585 -37.89%
random/pr36291.cpp 10.491 -5.19%
random/pr36439.cpp 5.181 -15.20%
random/pr38518.c 0.598 -36.32%
random/pr39326.c 1.242 -40.03%
random/pr60243.c 41.678 -
random/pr69609.c 4.057 -18.20%
random/pr70614.c 0.182 -40.42%
tramp3d 13.616 -7.32%
Geometric Mean 2.478 -17.06%