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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; home:marxin:branches:devel:gcc-bundle / openSUSE_Factory) 2.32
Copyright (C) 2019 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) 10.0.0 20191217 (experimental) 354f7b6be662b2449a660471866f765efd60c546
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 354f7b6be662b2449a660471866f765efd60c546
glibc GNU C Library (GNU libc) stable release version 2.29 (git 56c86f5dd516).
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.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 8.3.1 20190226 [gcc-8-branch revision 269204].
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; home:marxin:branches:devel:gcc-bundle / openSUSE_Factory) 2.32
options None
reason None
uname Linux zenith 5.0.9-1-default #1 SMP Sun Apr 21 06:42:32 UTC 2019 (7bd8353) 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 1576612083000.354f7b6be662b2449a660471866f765efd60c546 2019-12-17T23:31:41.807679 0:01:14.307039
Previous 1574634918000.036b671c2b91a89707a156a90f5515f43845e129 2019-11-25T05:03:01.814257 0:01:10.584067
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:10.936294

Tests Summary

Status Group # # (B)
Performance Regressions 3 18
Performance Improvements 7 24
Added Tests 3 3
Unchanged Tests 311 279
Total Tests 324

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 7.54% 21.192 22.790 - 12.10% -
random/pr12850.cpp 4.94% 46.257 48.543 - 17.13% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C 2.23% 17.50 MB 17.89 MB - 3.08% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -11.75% 45.140 39.837 - -6.34% -
random/pr12392.cpp -10.08% 30.689 27.597 - -27.44% -
random/pr70614.c -10.06% 25.521 22.955 - 3386.67% -
random/pr36262.c -6.10% 4.304 4.041 - -50.63% -
random/pr38518.c -5.75% 4.281 4.035 - -50.88% -
random/pr39326.c -2.22% 143.902 140.703 - -4.66% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -11.71% 935.26 MB 825.76 MB - 2.73% -

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 3386.67% 0.658 22.955 - -10.06% -
random/pr36498.cpp 37.94% 13.864 19.123 - 1.91% -
random/pr12850.cpp 17.13% 41.445 48.543 - 4.94% -
random/pr36291.cpp 12.10% 20.330 22.790 - 7.54% -
random/pr36439.cpp 9.04% 21.492 23.434 - 0.51% -
random/pr29433.cpp 2.84% 14.272 14.677 - -0.20% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp 6.41% 473.32 MB 503.69 MB - -0.70% -
random/empty.C 3.08% 17.36 MB 17.89 MB - 2.23% -
random/pr28071.c 2.73% 803.83 MB 825.76 MB - -11.71% -
random/pr70614.c 2.37% 53.62 MB 54.89 MB - 1.27% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf 25.08% 13.78 MB 17.23 MB - -0.03% -
random/pr28071.c/elf 23.73% 2.22 MB 2.75 MB - 0.00% -
random/pr28071.c/elf/sections/text 17.63% 563.13 KB 662.44 KB - 0.00% -
random/pr36498.cpp/elf/sections/text 14.88% 399.02 KB 458.41 KB - 0.01% -
random/pr36439.cpp/elf 7.58% 12.25 MB 13.18 MB - 0.09% -
random/pr39326.c/elf/sections/text 3.69% 321.27 KB 333.12 KB - 0.00% -
random/pr26854-2.c/elf/sections/text 3.34% 308.27 KB 318.56 KB - -0.00% -
random/pr12850.cpp/elf 2.32% 31.23 MB 31.95 MB - -0.10% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -50.88% 8.214 4.035 - -5.75% -
random/pr36262.c -50.63% 8.186 4.041 - -6.10% -
random/pr69609.c -46.02% 34.326 18.531 - -1.59% -
random/pr12392.cpp -27.44% 38.032 27.597 - -10.08% -
random/pr28071.c -6.34% 42.532 39.837 - -11.75% -
random/pr39326.c -4.66% 147.577 140.703 - -2.22% -
random/pr26854-2.c -3.25% 13.172 12.744 - 1.42% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -24.57% 929.34 MB 700.97 MB - -0.72% -
random/pr39326.c -20.73% 564.92 MB 447.84 MB - 0.05% -
random/pr38518.c -9.44% 216.05 MB 195.66 MB - -0.73% -
random/pr36262.c -9.18% 215.44 MB 195.66 MB - -0.73% -
random/pr26854-2.c -4.32% 381.12 MB 364.65 MB - -1.37% -
random/pr69609.c -2.99% 529.93 MB 514.07 MB - -0.08% -
random/pr36291.cpp -2.98% 580.37 MB 563.05 MB - 0.06% -
random/pr26854.c -2.68% 1.12 GB 1.09 GB - -1.19% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -26.04% 21.14 MB 15.64 MB - -0.01% -
random/pr12850.cpp/elf/sections/text -19.08% 33.93 KB 27.46 KB - 0.09% -
random/pr12392.cpp/elf/sections/text -9.60% 563.08 KB 509.02 KB - -0.01% -
random/pr36262.c/elf/sections/text -7.29% 113.27 KB 105.01 KB - -0.03% -
random/pr38518.c/elf/sections/text -7.29% 113.27 KB 105.01 KB - -0.03% -
random/pr36262.c/elf -5.12% 368.81 KB 349.94 KB - -0.03% -
random/pr38518.c/elf -5.11% 368.62 KB 349.80 KB - -0.03% -
random/pr29433.cpp/elf -4.90% 1.46 MB 1.39 MB - 0.05% -
random/pr29433.cpp/elf/sections/text -3.58% 726.00 B 700.00 B - 0.00% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text

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