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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: 2800.000
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) 9.0.1 20190403 (experimental) 92aa769b4090803151e31fd00e28cdd4e782d09c
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 92aa769b4090803151e31fd00e28cdd4e782d09c
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.Ofast test results

Run Order Start Time Duration
Current 1554320098000.92aa769b4090803151e31fd00e28cdd4e782d09c 2019-04-04T14:36:42.421201 0:01:12.384846
Previous 1547829407000.18ef7b5bc5ccbd98e996890276de294b92fd1ccd 2019-01-19T05:15:33.141849 0:01:14.489831
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:11.029051

Tests Summary

Status Group # # (B)
Performance Regressions 7 14
Performance Improvements 9 10
Added Tests 3 3
Unchanged Tests 287 279
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 3.38% 32.306 33.398 - 20.92% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr44563.c 5.05% 1.31 GB 1.37 GB - 5.07% -
random/pr36439.cpp 2.91% 423.60 MB 435.91 MB - -4.10% -
random/pr39326.c 2.49% 677.41 MB 694.30 MB - 2.62% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c/elf/sections/text 3.96% 330.11 KB 343.19 KB - 3.96% -
random/pr36498.cpp/elf/sections/text 3.60% 451.31 KB 467.55 KB - 21.98% -
random/pr12392.cpp/elf/sections/text 2.26% 378.87 KB 387.42 KB - 0.25% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp -16.72% 37.221 30.997 - -0.63% -
random/pr60243.c -14.17% 290.339 249.211 - -13.50% -
random/pr69609.c -4.07% 192.141 184.328 - 2.00% -
random/pr12392.cpp -3.31% 35.048 33.887 - -9.99% -
random/pr44563.c -3.06% 56.379 54.651 - 1.25% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp -3.05% 384.83 MB 373.11 MB - -3.12% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp/elf/sections/text -15.54% 1.22 MB 1.03 MB - 0.02% -
random/pr36291.cpp/elf -8.09% 4.53 MB 4.16 MB - 0.03% -
random/pr12850.cpp/elf/sections/text -3.10% 28.77 KB 27.88 KB - -17.82% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text

Run-Over-Baseline Changes Detail

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 28.32% 31.575 40.516 - 1.28% -
random/pr36498.cpp 22.05% 15.233 18.591 - -0.49% -
random/pr36439.cpp 20.92% 27.621 33.398 - 3.38% -
random/pr36262.c 3.36% 112.092 115.860 - 0.30% -
random/pr28071.c 3.33% 73.741 76.195 - 1.15% -
random/pr38518.c 3.00% 112.422 115.789 - 0.30% -
random/pr69609.c 2.00% 180.713 184.328 - -4.07% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr44563.c 5.07% 1.31 GB 1.37 GB - 5.05% -
random/pr39326.c 2.62% 676.55 MB 694.30 MB - 2.49% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 21.98% 383.31 KB 467.55 KB - 3.60% -
random/pr36439.cpp/elf 11.87% 1.57 MB 1.76 MB - 0.28% -
random/pr36498.cpp/elf 11.71% 1.55 MB 1.73 MB - 1.36% -
random/pr12850.cpp/elf 9.34% 3.28 MB 3.59 MB - -0.44% -
random/pr39326.c/elf/sections/text 3.96% 330.11 KB 343.19 KB - 3.96% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -13.50% 288.096 249.211 - -14.17% -
random/pr12392.cpp -9.99% 37.649 33.887 - -3.31% -
random/pr70614.c -2.32% 0.900 0.879 - -2.00% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -6.40% 808.50 MB 756.78 MB - 0.15% -
random/pr36439.cpp -4.10% 454.52 MB 435.91 MB - 2.91% -
random/pr36498.cpp -3.12% 385.11 MB 373.11 MB - -3.05% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text -54.28% 12.09 KB 5.53 KB - -0.84% -
random/pr12850.cpp/elf/sections/text -17.82% 33.93 KB 27.88 KB - -3.10% -
random/pr69609.c/elf -2.92% 1.32 MB 1.28 MB - 0.02% -
random/pr69609.c/elf/sections/text -2.33% 486.89 KB 475.53 KB - 0.03% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text

Report Time: 0.10s