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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 20210118 (experimental) 4905f4040182b631a0918bb9cdb841520a9fd1de
Copyright (C) 2021 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 4905f4040182b631a0918bb9cdb841520a9fd1de
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 1610936822000.4905f4040182b631a0918bb9cdb841520a9fd1de 2021-01-18T07:32:28.888517 0:01:20.135412
Previous 1610674117000.b0ccd3922f5ee31b682e7844d97e5180c33fa8ea 2021-01-15T07:32:23.532598 0:01:20.331573
Baseline 1543348665000.9b92780c8a3bee3cb13440f477cc2a6aef2ce191 2018-11-27T23:34:44.160312 0:01:14.517768

Tests Summary

Status Group # # (B)
Performance Regressions 6 15
Performance Improvements 5 28
Added Tests 3 3
Unchanged Tests 310 278
Total Tests 324

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c 12.04% 39.975 44.787 - 5.10% -
random/pr36262.c 7.50% 4.048 4.352 - -46.94% -
random/pr36439.cpp 5.58% 24.130 25.475 - 18.18% -
random/pr29433.cpp 3.32% 14.261 14.734 - 4.71% -
random/pr26854.c 2.76% 78.119 80.277 - -8.91% -
random/pr26854-2.c 2.54% 12.572 12.891 - -3.12% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp/elf -33.36% 12.72 MB 8.48 MB - -30.80% -
random/pr12850.cpp/elf -23.08% 30.02 MB 23.09 MB - -26.04% -
random/pr36291.cpp/elf -22.73% 11.85 MB 9.16 MB - -24.09% -
random/pr12392.cpp/elf -16.56% 9.21 MB 7.69 MB - -63.64% -
random/pr29433.cpp/elf -6.08% 1.35 MB 1.27 MB - -13.31% -

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 3276.88% 0.658 22.235 - -1.63% -
random/pr36439.cpp 18.18% 21.557 25.475 - 5.58% -
random/pr12850.cpp 10.57% 41.041 45.380 - 0.93% -
random/pr36291.cpp 7.03% 20.342 21.772 - -1.32% -
random/pr28071.c 5.10% 42.616 44.787 - 12.04% -
random/pr29433.cpp 4.71% 14.071 14.734 - 3.32% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 8.55% 17.35 MB 18.84 MB - 0.35% -
random/pr36291.cpp 5.74% 579.45 MB 612.71 MB - -0.43% -
random/pr70614.c 5.09% 53.61 MB 56.34 MB - 0.12% -
random/empty.c 4.44% 16.46 MB 17.19 MB - 0.39% -
random/pr29433.cpp 2.95% 1.92 GB 1.98 GB - 0.10% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c/elf 22.58% 2.22 MB 2.72 MB - -0.19% -
random/pr28071.c/elf/sections/text 14.59% 563.13 KB 645.28 KB - 0.00% -
random/pr39326.c/elf/sections/text 3.29% 321.27 KB 331.83 KB - 0.00% -
random/pr26854-2.c/elf/sections/text 2.58% 308.27 KB 316.23 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -50.38% 8.251 4.094 - 1.39% -
random/pr69609.c -48.08% 34.303 17.808 - 0.35% -
random/pr36262.c -46.94% 8.201 4.352 - 7.50% -
random/pr12392.cpp -33.11% 38.041 25.446 - -0.40% -
random/pr39326.c -28.19% 149.415 107.300 - -1.83% -
random/pr26854.c -8.91% 88.133 80.277 - 2.76% -
random/pr26854-2.c -3.12% 13.306 12.891 - 2.54% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -24.76% 928.73 MB 698.73 MB - 0.00% -
random/pr39326.c -18.81% 564.87 MB 458.59 MB - -0.22% -
random/pr36262.c -12.21% 216.10 MB 189.71 MB - -1.31% -
random/pr38518.c -12.19% 215.38 MB 189.12 MB - -1.32% -
random/pr26854.c -9.45% 1.11 GB 1.01 GB - -1.73% -
random/pr26854-2.c -6.43% 380.50 MB 356.04 MB - -1.40% -
random/pr12850.cpp -6.30% 908.82 MB 851.60 MB - -0.78% -
random/pr69609.c -5.21% 529.92 MB 502.30 MB - -0.15% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -63.64% 21.14 MB 7.69 MB - -16.56% -
random/pr36439.cpp/elf -30.80% 12.25 MB 8.48 MB - -33.36% -
random/pr12850.cpp/elf -26.04% 31.23 MB 23.09 MB - -23.08% -
random/pr36291.cpp/elf -24.09% 12.06 MB 9.16 MB - -22.73% -
random/pr12850.cpp/elf/sections/text -18.13% 33.93 KB 27.78 KB - 0.00% -
random/pr29433.cpp/elf -13.31% 1.46 MB 1.27 MB - -6.08% -
random/pr12392.cpp/elf/sections/text -10.08% 563.08 KB 506.32 KB - 0.00% -
random/pr39326.c/elf -5.44% 1.46 MB 1.38 MB - -0.12% -
random/pr36262.c/elf -5.21% 368.81 KB 349.59 KB - -0.41% -
random/pr38518.c/elf -5.21% 368.62 KB 349.42 KB - -0.42% -
random/pr36262.c/elf/sections/text -3.20% 113.27 KB 109.64 KB - 0.00% -
random/pr38518.c/elf/sections/text -3.20% 113.27 KB 109.64 KB - 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: 0.14s