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Machine Info

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
Run Info

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 20201113 (experimental) cb76e8e4ab28670876a930b53afe1bd1bce94c18
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 cb76e8e4ab28670876a930b53afe1bd1bce94c18
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
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benzen.gcc-trunk-honza.O0_g test results

Run Order Start Time Duration
Current 1605306541000.cb76e8e4ab28670876a930b53afe1bd1bce94c18 2020-11-14T09:00:47.958415 0:01:34.409999
Previous 1605300136000.97741d2b31cd0f640e153afd363e45391919e4a6 2020-11-13T23:12:24.304410 0:01:34.248513
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913

Tests Summary

Status Group # # (B)
Performance Regressions 0 8
Performance Improvements 0 17
Added Tests 3 3
Unchanged Tests 321 296
Total Tests 324

Run-Over-Run Changes Detail

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

Run-Over-Baseline Changes Detail

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 16.91% 494.55 MB 578.18 MB - 0.01% -
random/pr12392.cpp 15.12% 300.94 MB 346.45 MB - 0.18% -
random/empty.C 5.18% 17.71 MB 18.63 MB - 0.00% -
random/empty.c 4.91% 16.54 MB 17.35 MB - 0.00% -
random/pr29433.cpp 3.10% 1.91 GB 1.97 GB - 0.00% -
random/pr36439.cpp 2.42% 346.68 MB 355.06 MB - 0.15% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp/elf 2.69% 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 -39.41% 2.057 1.246 - -0.72% -
random/pr70614.c -38.81% 0.305 0.187 - 0.61% -
random/pr36262.c -36.31% 0.929 0.592 - -0.26% -
random/pr38518.c -35.27% 0.932 0.603 - -0.10% -
random/pr12392.cpp -18.42% 4.721 3.852 - -0.06% -
random/pr36439.cpp -17.38% 6.317 5.219 - -0.06% -
random/pr69609.c -16.67% 4.955 4.129 - 0.27% -
random/pr36291.cpp -13.59% 11.552 9.982 - -0.24% -
random/pr12850.cpp -11.20% 13.171 11.696 - 0.23% -
random/pr28071.c -10.85% 10.663 9.506 - 0.21% -
random/pr29433.cpp -8.13% 15.829 14.542 - -0.48% -
tramp3d -4.92% 14.152 13.456 - -1.40% -
random/pr26854.c -4.42% 33.372 31.897 - 0.44% -
random/pr26854-2.c -3.90% 5.288 5.082 - 0.55% -
random/pr60243.c -2.55% 43.016 41.921 - -1.04% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -4.87% 509.29 MB 484.48 MB - 0.11% -
random/pr28071.c -4.64% 301.07 MB 287.09 MB - -0.27% -

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