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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 20201012 (experimental) a324ced0d18a78022a24d4b5778efb6dc365c5c3
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 a324ced0d18a78022a24d4b5778efb6dc365c5c3
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-honza.O_g test results

Run Order Start Time Duration
Current 1602512297000.a324ced0d18a78022a24d4b5778efb6dc365c5c3 2020-10-13T04:36:31.131119 0:01:15.081400
Previous 1602843535000.aeec13470a162df318d39c002f2ee90f6d849df7 2020-10-16T20:59:40.485587 0:01:20.809294
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:10.936294

Tests Summary

Status Group # # (B)
Performance Regressions 2 16
Performance Improvements 4 25
Added Tests 3 3
Unchanged Tests 315 280
Total Tests 324

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp 3.88% 14.214 14.766 - 3.46% -
random/pr26854.c 3.05% 78.933 81.342 - -4.76% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c -6.09% 4.441 4.171 - -49.23% -
random/pr36262.c -6.05% 4.410 4.143 - -49.38% -
random/pr28071.c -3.22% 46.434 44.938 - 5.66% -
random/pr70614.c -2.33% 23.059 22.522 - 3320.89% -

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 3320.89% 0.658 22.522 - -2.33% -
random/pr36439.cpp 10.74% 21.492 23.801 - 0.62% -
random/pr12850.cpp 9.20% 41.445 45.258 - 0.26% -
random/pr28071.c 5.66% 42.532 44.938 - -3.22% -
random/pr36291.cpp 4.92% 20.330 21.331 - 0.12% -
random/pr29433.cpp 3.46% 14.272 14.766 - 3.88% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 8.56% 580.37 MB 630.02 MB - -0.27% -
random/empty.C 5.22% 17.36 MB 18.26 MB - 0.28% -
random/pr70614.c 3.60% 53.62 MB 55.55 MB - -1.39% -
random/pr29433.cpp 2.28% 1.92 GB 1.96 GB - 0.04% -
random/empty.c 2.13% 16.47 MB 16.82 MB - -1.06% -
random/pr28071.c 2.00% 803.83 MB 819.94 MB - -0.02% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c/elf 22.82% 2.22 MB 2.73 MB - 0.00% -
random/pr28071.c/elf/sections/text 14.59% 563.13 KB 645.28 KB - 0.00% -
random/pr36439.cpp/elf 5.85% 12.25 MB 12.97 MB - -0.00% -
random/pr39326.c/elf/sections/text 2.82% 321.27 KB 330.35 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -49.38% 8.186 4.143 - -6.05% -
random/pr38518.c -49.23% 8.214 4.171 - -6.09% -
random/pr69609.c -48.24% 34.326 17.767 - -1.71% -
random/pr12392.cpp -31.99% 38.032 25.868 - -0.06% -
random/pr39326.c -23.10% 147.577 113.481 - 1.59% -
random/pr26854.c -4.76% 85.411 81.342 - 3.05% -
random/pr26854-2.c -3.33% 13.172 12.733 - 0.21% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -21.32% 929.34 MB 731.21 MB - -0.06% -
random/pr39326.c -18.17% 564.92 MB 462.28 MB - -0.08% -
random/pr38518.c -10.87% 216.05 MB 192.57 MB - 0.20% -
random/pr36262.c -10.83% 215.44 MB 192.10 MB - -0.38% -
random/pr26854-2.c -7.25% 381.12 MB 353.47 MB - -0.28% -
random/pr26854.c -6.23% 1.12 GB 1.05 GB - 0.04% -
random/pr69609.c -3.97% 529.93 MB 508.92 MB - 0.36% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -55.23% 21.14 MB 9.47 MB - -0.00% -
random/pr12850.cpp/elf/sections/text -17.98% 33.93 KB 27.83 KB - -0.25% -
random/pr12392.cpp/elf/sections/text -10.10% 563.08 KB 506.20 KB - 0.00% -
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/pr29433.cpp/elf -7.20% 1.46 MB 1.36 MB - 0.00% -
random/pr39326.c/elf -5.44% 1.46 MB 1.38 MB - -0.00% -
random/pr36262.c/elf -5.01% 368.81 KB 350.34 KB - 0.00% -
random/pr38518.c/elf -5.00% 368.62 KB 350.20 KB - 0.00% -
random/pr12850.cpp/elf -2.72% 31.23 MB 30.38 MB - -0.04% -
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: 0.10s