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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) 2.31
Copyright (C) 2018 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) 9.0.0 20190108 (experimental) d383a8f4e2bbbfaf8d35de6f6cddd76404ef9a24
Copyright (C) 2019 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 d383a8f4e2bbbfaf8d35de6f6cddd76404ef9a24
glibc GNU C Library (GNU libc) stable release version 2.27 (git 3260f6ce87b7).
Copyright (C) 2018 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 8.1.1 20180614 [gcc-8-branch revision 261584].
libc ABIs: UNIQUE IFUNC
For bug reporting instructions, please see:
<http://bugs.opensuse.org>.
glibc_location /lib64/libc.so.6
ld GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.31
options None
reason None
uname Linux zenith 4.18.7-1-default #1 SMP PREEMPT Sun Sep 9 10:26:20 UTC 2018 (952d850) x86_64 x86_64 x86_64 GNU/Linux
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zenith.gcc-trunk-honza.O_g test results

Run Order Start Time Duration
Current 1547719508000.d383a8f4e2bbbfaf8d35de6f6cddd76404ef9a24 2019-01-18T06:39:13.403885 0:01:10.515540
Previous 1547318663000.b2d143e007e42fe2ec1fffbba781a921c3f8e2d1 2019-01-13T16:59:37.584881 0:01:10.547476
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:10.936294

Tests Summary

Status Group # # (B)
Performance Regressions 3 15
Performance Improvements 1 11
Added Tests 3 3
Unchanged Tests 317 295
Total Tests 324

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 3.05% 17.621 18.158 - 30.98% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 5.94% 487.54 MB 516.50 MB - 9.12% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp/elf/sections/text 3.87% 459.63 KB 477.42 KB - 19.65% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -2.90% 497.78 MB 483.35 MB - -6.49% -

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/pr36498.cpp 30.98% 13.864 18.158 - 3.05% -
random/pr28071.c 16.97% 42.532 49.749 - -0.09% -
random/pr12850.cpp 16.15% 41.445 48.139 - -0.46% -
random/pr36439.cpp 15.74% 21.492 24.875 - -0.04% -
random/pr12392.cpp 10.82% 38.032 42.148 - 0.99% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c 18.80% 803.83 MB 954.98 MB - 0.00% -
random/pr36498.cpp 9.12% 473.32 MB 516.50 MB - 5.94% -
random/pr12392.cpp 4.63% 929.34 MB 972.37 MB - -0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf 25.48% 13.78 MB 17.29 MB - 0.29% -
random/pr28071.c/elf 23.61% 2.22 MB 2.75 MB - 0.00% -
random/pr36498.cpp/elf/sections/text 19.65% 399.02 KB 477.42 KB - 3.87% -
random/pr36439.cpp/elf 15.70% 12.25 MB 14.17 MB - -0.23% -
random/pr28071.c/elf/sections/text 15.46% 563.13 KB 650.21 KB - 0.00% -
random/pr12392.cpp/elf/sections/text 12.66% 563.08 KB 634.35 KB - 0.00% -
random/pr12850.cpp/elf 10.84% 31.23 MB 34.61 MB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -4.67% 8.214 7.830 - -0.25% -
random/pr36262.c -4.04% 8.186 7.855 - -0.02% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp -6.49% 516.92 MB 483.35 MB - -2.90% -
random/pr38518.c -3.52% 216.05 MB 208.45 MB - 0.00% -
random/pr36262.c -3.25% 215.44 MB 208.44 MB - 0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -20.49% 21.14 MB 16.81 MB - -0.00% -
random/pr12850.cpp/elf/sections/text -12.50% 33.93 KB 29.69 KB - 0.00% -
random/pr36262.c/elf/sections/text -4.83% 113.27 KB 107.80 KB - 0.00% -
random/pr38518.c/elf/sections/text -4.83% 113.27 KB 107.80 KB - 0.00% -
random/pr36262.c/elf -2.28% 368.81 KB 360.41 KB - 0.00% -
random/pr38518.c/elf -2.27% 368.62 KB 360.24 KB - 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: 0.09s