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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 20200917 (experimental) ecde1b0a467127714872785b9935fe7c580778f0
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 ecde1b0a467127714872785b9935fe7c580778f0
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.O_g test results

Run Order Start Time Duration
Current 1600301791000.ecde1b0a467127714872785b9935fe7c580778f0 2020-09-17T07:25:43.315667 0:01:10.861210
Previous 1600222429000.01d56aeaffa11959278dd6f6f2c1085cac25a345 2020-09-16T07:27:41.808521 0:01:11.400353
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.517768

Tests Summary

Status Group # # (B)
Performance Regressions 0 12
Performance Improvements 7 26
Added Tests 3 3
Unchanged Tests 314 283
Total Tests 324

Run-Over-Run Changes Detail

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -16.73% 14.744 12.277 - -7.74% -
random/pr38518.c -14.50% 4.640 3.967 - -51.92% -
random/pr36262.c -13.37% 4.578 3.966 - -51.64% -
random/pr69609.c -11.79% 20.655 18.220 - -46.88% -
random/pr28071.c -8.39% 42.924 39.325 - -7.72% -
random/pr26854.c -7.96% 84.029 77.338 - -12.25% -
random/pr70614.c -3.26% 21.889 21.175 - 3115.82% -

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/pr70614.c 3115.82% 0.658 21.175 - -3.26% -
random/pr12850.cpp 10.40% 41.041 45.308 - 0.74% -
random/pr36439.cpp 9.96% 21.557 23.705 - 0.32% -
random/pr36291.cpp 4.67% 20.342 21.292 - -0.99% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 8.78% 579.45 MB 630.30 MB - 0.06% -
random/empty.C 4.68% 17.35 MB 18.16 MB - 1.40% -
random/empty.c 2.82% 16.46 MB 16.93 MB - 0.00% -
random/pr29433.cpp 2.24% 1.92 GB 1.96 GB - 0.01% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c/elf 22.82% 2.22 MB 2.73 MB - 0.00% -
random/pr28071.c/elf/sections/text 14.59% 563.13 KB 645.28 KB - 0.00% -
random/pr36439.cpp/elf 5.61% 12.25 MB 12.94 MB - 0.00% -
random/pr39326.c/elf/sections/text 2.82% 321.27 KB 330.35 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -51.92% 8.251 3.967 - -14.50% -
random/pr36262.c -51.64% 8.201 3.966 - -13.37% -
random/pr69609.c -46.88% 34.303 18.220 - -11.79% -
random/pr12392.cpp -32.13% 38.041 25.819 - -0.75% -
random/pr39326.c -24.66% 149.415 112.576 - -1.34% -
random/pr26854.c -12.25% 88.133 77.338 - -7.96% -
random/pr26854-2.c -7.74% 13.306 12.277 - -16.73% -
random/pr28071.c -7.72% 42.616 39.325 - -8.39% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -21.26% 928.73 MB 731.28 MB - 0.08% -
random/pr39326.c -18.14% 564.87 MB 462.42 MB - 0.14% -
random/pr36262.c -11.14% 216.10 MB 192.03 MB - 0.10% -
random/pr38518.c -10.98% 215.38 MB 191.73 MB - 0.10% -
random/pr26854-2.c -7.54% 380.50 MB 351.83 MB - 0.03% -
random/pr26854.c -6.25% 1.11 GB 1.04 GB - 0.13% -
random/pr69609.c -4.39% 529.92 MB 506.68 MB - -0.01% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -55.23% 21.14 MB 9.47 MB - 0.00% -
random/pr12850.cpp/elf/sections/text -18.05% 33.93 KB 27.80 KB - 0.00% -
random/pr12392.cpp/elf/sections/text -10.10% 563.08 KB 506.19 KB - 0.00% -
random/pr36262.c/elf/sections/text -7.29% 113.27 KB 105.01 KB - 0.00% -
random/pr38518.c/elf/sections/text -7.29% 113.27 KB 105.01 KB - 0.00% -
random/pr39326.c/elf -5.44% 1.46 MB 1.38 MB - 0.00% -
random/pr36262.c/elf -5.01% 368.81 KB 350.34 KB - 0.00% -
random/pr38518.c/elf -5.00% 368.62 KB 350.19 KB - 0.00% -
random/pr29433.cpp/elf -4.87% 1.46 MB 1.39 MB - -0.00% -
random/pr12850.cpp/elf -2.70% 31.23 MB 30.38 MB - 0.00% -
random/pr29433.cpp/elf/sections/text -2.62% 726.00 B 707.00 B - 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: 0.15s