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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: 43 bits physical, 48 bits virtual
CPU(s): 12
On-line CPU(s) list: 0-11
Thread(s) per core: 2
Core(s) per socket: 6
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 1
Model name: AMD Ryzen 5 1600 Six-Core Processor
Stepping: 1
Frequency boost: enabled
CPU MHz: 1550.000
CPU max MHz: 3200.0000
CPU min MHz: 1550.0000
BogoMIPS: 6387.74
Virtualization: AMD-V
L1d cache: 192 KiB
L1i cache: 384 KiB
L2 cache: 3 MiB
L3 cache: 16 MiB
NUMA node0 CPU(s): 0-11
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, STIBP disabled, 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 skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_pstate ssbd vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca sme sev
memory MemTotal: 16285268 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 20201128 (experimental) 2331b1e17e54e43a3d2e4829b015860e98b8aae8
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 2331b1e17e54e43a3d2e4829b015860e98b8aae8
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 zenith 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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zenith.gcc-trunk-honza.O0_g test results

Run Order Start Time Duration
Current 1606555654000.2331b1e17e54e43a3d2e4829b015860e98b8aae8 2020-11-28T11:59:18.136477 0:01:20.213430
Previous 1606233176000.94b9afeac33475566c27cf9458e06480ee06b8e5 2020-11-24T23:39:11.349543 0:01:20.232180
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:10.660029

Tests Summary

Status Group # # (B)
Performance Regressions 3 20
Performance Improvements 0 8
Added Tests 3 3
Unchanged Tests 372 347
Total Tests 378

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c 3.66% 0.619 0.642 - 11.57% -
random/pr12392.cpp 2.49% 3.732 3.824 - 19.05% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 2.58% 352.96 MB 362.06 MB - 6.53% -

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 - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp 19.05% 3.213 3.824 - 2.49% -
random/pr36439.cpp 13.00% 4.804 5.429 - -0.88% -
random/pr38518.c 11.57% 0.575 0.642 - 3.66% -
random/pr12850.cpp 8.53% 11.308 12.272 - 0.25% -
random/pr36262.c 8.06% 0.576 0.623 - -2.49% -
random/pr39326.c 7.45% 1.178 1.265 - -0.27% -
random/pr36291.cpp 7.07% 9.726 10.414 - -0.66% -
random/pr69609.c 6.95% 3.198 3.420 - 1.45% -
random/pr26854-2.c 4.21% 3.627 3.779 - -1.59% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 13.91% 506.67 MB 577.14 MB - -0.08% -
random/pr12392.cpp 13.77% 304.23 MB 346.13 MB - 1.71% -
random/pr36439.cpp 6.53% 339.86 MB 362.06 MB - 2.58% -
random/empty.C 5.83% 17.35 MB 18.36 MB - -0.66% -
random/pr60243.c 5.79% 1.68 GB 1.78 GB - 0.03% -
random/empty.c 3.37% 16.46 MB 17.02 MB - -0.75% -
random/pr70614.c 2.86% 41.76 MB 42.96 MB - 0.88% -
random/pr29433.cpp 2.79% 1.92 GB 1.97 GB - 0.01% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp/elf 3.11% 1.18 MB 1.21 MB - 0.00% -
random/pr12392.cpp/elf 2.50% 1.89 MB 1.94 MB - 0.18% -
random/pr39326.c/elf/sections/text 2.04% 436.40 KB 445.30 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -37.35% 15.129 9.478 - -0.06% -
random/pr60243.c -21.09% 60.253 47.546 - 1.00% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -8.92% 316.13 MB 287.93 MB - 0.00% -
random/pr36291.cpp -5.16% 509.55 MB 483.26 MB - 0.18% -
random/pr39326.c -3.97% 159.29 MB 152.96 MB - -0.09% -
random/pr69609.c -2.37% 366.93 MB 358.25 MB - -0.17% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c/elf/sections/text -5.20% 1.08 MB 1.02 MB - 0.00% -
random/pr28071.c/elf -3.49% 1.65 MB 1.59 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