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: 1473.975
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 20201016 (experimental) 560a638ce5d63e25aeb0f94ba70089044915656c
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 560a638ce5d63e25aeb0f94ba70089044915656c
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.O_g test results

Run Order Start Time Duration
Current 1603107938000.560a638ce5d63e25aeb0f94ba70089044915656c 2020-10-19T22:24:45.859781 0:01:37.556932
Previous 1602971889000.10da8de84fd34854e431545248cab8fc5e02d91b 2020-10-18T08:25:37.210402 0:01:36.048748
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.090919


Tests Summary

Status Group # # (B)
Performance Regressions 1 8
Performance Improvements 0 23
Added Tests 3 3
Unchanged Tests 284 254
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c 5.09% 21.362 22.450 - -13.50% -

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/pr36439.cpp 2.57% 24.430 25.057 - 0.24% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 10.35% 571.09 MB 630.20 MB - -0.07% -
random/empty.C 4.72% 17.71 MB 18.55 MB - 0.00% -
random/pr12392.cpp 3.86% 704.75 MB 731.96 MB - -0.03% -
random/pr39326.c 3.65% 447.35 MB 463.68 MB - -0.03% -
random/empty.c 3.61% 16.54 MB 17.14 MB - -0.36% -
random/pr29433.cpp 2.44% 1.92 GB 1.96 GB - -0.03% -
random/pr36439.cpp 2.23% 513.34 MB 524.80 MB - -0.08% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -22.33% 133.049 103.339 - 0.83% -
random/pr38518.c -21.51% 4.910 3.854 - -0.17% -
random/pr28071.c -16.18% 53.426 44.781 - 1.72% -
random/pr70614.c -13.50% 25.952 22.450 - 5.09% -
random/pr12392.cpp -13.20% 36.658 31.819 - -0.02% -
random/pr29433.cpp -11.26% 16.944 15.036 - 0.04% -
random/pr26854.c -7.32% 104.234 96.607 - -0.02% -
random/pr26854-2.c -5.98% 15.568 14.637 - 0.47% -
random/pr36291.cpp -4.95% 22.555 21.438 - 0.05% -
random/pr12850.cpp -3.19% 49.784 48.195 - -0.02% -
random/pr36262.c -2.10% 4.917 4.814 - 0.49% -
random/pr69609.c -2.05% 22.279 21.823 - 0.09% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.76% 940.46 MB 820.43 MB - 0.07% -
random/pr26854.c -4.67% 1.10 GB 1.05 GB - -0.09% -
random/pr26854-2.c -4.06% 366.73 MB 351.86 MB - 0.00% -
random/pr12850.cpp -2.57% 918.05 MB 894.43 MB - -0.05% -
random/pr69609.c -2.23% 518.59 MB 507.04 MB - 0.10% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -39.47% 15.64 MB 9.47 MB - -0.00% -
random/pr39326.c/elf -5.42% 1.46 MB 1.38 MB - -0.00% -
random/pr12850.cpp/elf -4.95% 31.95 MB 30.37 MB - -0.00% -
random/pr26854-2.c/elf/sections/text -2.77% 318.54 KB 309.71 KB - 0.00% -
random/pr28071.c/elf/sections/text -2.59% 662.44 KB 645.28 KB - 0.00% -
random/pr29433.cpp/elf -2.21% 1.39 MB 1.36 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: 0.10s