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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: 1994.320
CPU max MHz: 3200.0000
CPU min MHz: 1550.0000
BogoMIPS: 6387.83
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 sme ssbd sev 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
memory MemTotal: 16294552 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 20200114 (experimental) c478047c0fd71e8bd8e069c729b57a89b75ee004
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 c478047c0fd71e8bd8e069c729b57a89b75ee004
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 1579035419000.c478047c0fd71e8bd8e069c729b57a89b75ee004 2020-01-14T23:29:38.714754 0:01:10.991894
Previous 1576612083000.354f7b6be662b2449a660471866f765efd60c546 2019-12-17T23:31:41.807679 0:01:14.307039
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:10.936294

Tests Summary

Status Group # # (B)
Performance Regressions 3 19
Performance Improvements 3 23
Added Tests 3 3
Unchanged Tests 315 279
Total Tests 324

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c 4.85% 22.955 24.068 - 3555.79% -
random/pr26854.c 3.45% 86.204 89.180 - 4.41% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 3.29% 503.69 MB 520.26 MB - 9.92% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp -6.65% 22.790 21.274 - 4.64% -
random/pr12850.cpp -5.24% 48.543 46.001 - 10.99% -
random/pr36498.cpp -2.51% 19.123 18.643 - 34.48% -

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 3555.79% 0.658 24.068 - 4.85% -
random/pr36498.cpp 34.48% 13.864 18.643 - -2.51% -
random/pr12850.cpp 10.99% 41.445 46.001 - -5.24% -
random/pr36439.cpp 8.65% 21.492 23.350 - -0.36% -
random/pr36291.cpp 4.64% 20.330 21.274 - -6.65% -
random/pr26854.c 4.41% 85.411 89.180 - 3.45% -
random/pr29433.cpp 2.14% 14.272 14.578 - -0.68% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp 9.92% 473.32 MB 520.26 MB - 3.29% -
random/pr70614.c 3.26% 53.62 MB 55.37 MB - 0.88% -
random/pr28071.c 2.57% 803.83 MB 824.53 MB - -0.15% -
random/empty.C 2.03% 17.36 MB 17.71 MB - -1.03% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf 25.08% 13.78 MB 17.23 MB - 0.00% -
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 14.94% 399.02 KB 458.64 KB - 0.05% -
random/pr36439.cpp/elf 7.56% 12.25 MB 13.18 MB - -0.02% -
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 2.33% 31.23 MB 31.95 MB - 0.01% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -50.60% 8.214 4.058 - 0.57% -
random/pr36262.c -50.36% 8.186 4.063 - 0.54% -
random/pr69609.c -45.78% 34.326 18.613 - 0.44% -
random/pr12392.cpp -28.26% 38.032 27.286 - -1.13% -
random/pr39326.c -5.33% 147.577 139.715 - -0.70% -
random/pr28071.c -4.83% 42.532 40.477 - 1.61% -
random/pr26854-2.c -2.14% 13.172 12.890 - 1.15% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -24.78% 929.34 MB 699.09 MB - -0.27% -
random/pr39326.c -20.71% 564.92 MB 447.93 MB - 0.02% -
random/pr38518.c -9.35% 216.05 MB 195.85 MB - 0.09% -
random/pr36262.c -9.08% 215.44 MB 195.87 MB - 0.11% -
random/pr26854-2.c -4.39% 381.12 MB 364.38 MB - -0.07% -
random/pr69609.c -2.94% 529.93 MB 514.33 MB - 0.05% -
random/pr36291.cpp -2.69% 580.37 MB 564.78 MB - 0.31% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -26.08% 21.14 MB 15.63 MB - -0.05% -
random/pr12850.cpp/elf/sections/text -18.58% 33.93 KB 27.62 KB - 0.62% -
random/pr12392.cpp/elf/sections/text -10.09% 563.08 KB 506.24 KB - -0.55% -
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/pr36262.c/elf -5.12% 368.81 KB 349.94 KB - 0.00% -
random/pr38518.c/elf -5.11% 368.62 KB 349.80 KB - 0.00% -
random/pr29433.cpp/elf -4.90% 1.46 MB 1.39 MB - -0.00% -
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

Report Time: 0.10s