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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; 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 20201120 (experimental) 5a5e53fdb29042bbfc662eba9960d04e906cd553
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 5a5e53fdb29042bbfc662eba9960d04e906cd553
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 1606154402000.5a5e53fdb29042bbfc662eba9960d04e906cd553 2020-11-24T12:04:22.750165 0:01:20.367672
Previous 1605896737000.a0917becd66182eee6eb6a7a150e38f0463b765d 2020-11-21T19:47:59.256112 0:01:20.324282
Baseline 1543509871000.7db9606762e24d4a32ce052efdfdcf3139a23afb 2018-11-30T15:48:32.034939 0:01:10.936294

Tests Summary

Status Group # # (B)
Performance Regressions 0 13
Performance Improvements 2 27
Added Tests 3 3
Unchanged Tests 319 281
Total Tests 324

Run-Over-Run Changes Detail

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -6.78% 4.270 3.980 - -51.37% -
random/pr12392.cpp -2.48% 26.423 25.769 - -32.24% -

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 3073.02% 0.658 20.890 - -0.19% -
random/pr36439.cpp 12.06% 21.492 24.084 - -0.09% -
random/pr12850.cpp 8.84% 41.445 45.110 - -1.23% -
random/pr36291.cpp 6.23% 20.330 21.596 - -0.33% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 7.45% 580.37 MB 623.59 MB - -0.26% -
random/empty.C 6.50% 17.36 MB 18.48 MB - -0.06% -
random/pr70614.c 6.48% 53.62 MB 57.10 MB - -0.03% -
random/empty.c 4.15% 16.47 MB 17.15 MB - -0.07% -
random/pr29433.cpp 2.94% 1.92 GB 1.98 GB - -0.03% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c/elf 22.81% 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 6.02% 12.25 MB 12.99 MB - 0.29% -
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 -51.37% 8.186 3.980 - -6.78% -
random/pr69609.c -48.51% 34.326 17.673 - -0.20% -
random/pr38518.c -48.35% 8.214 4.243 - -0.42% -
random/pr12392.cpp -32.24% 38.032 25.769 - -2.48% -
random/pr39326.c -24.14% 147.577 111.956 - 0.57% -
random/pr26854.c -7.07% 85.411 79.375 - -0.41% -
random/pr28071.c -6.98% 42.532 39.564 - -0.98% -
random/pr26854-2.c -5.04% 13.172 12.508 - 0.41% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -23.27% 929.34 MB 713.12 MB - -0.05% -
random/pr39326.c -17.84% 564.92 MB 464.11 MB - 0.18% -
random/pr38518.c -10.71% 216.05 MB 192.93 MB - -0.27% -
random/pr36262.c -10.44% 215.44 MB 192.95 MB - -0.02% -
random/pr26854-2.c -5.82% 381.12 MB 358.95 MB - 0.34% -
random/pr26854.c -5.33% 1.12 GB 1.06 GB - -0.41% -
random/pr69609.c -4.19% 529.93 MB 507.70 MB - 0.13% -
random/pr12850.cpp -2.58% 909.25 MB 885.77 MB - -0.30% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -55.26% 21.14 MB 9.46 MB - -0.00% -
random/pr12850.cpp/elf/sections/text -18.27% 33.93 KB 27.73 KB - -0.34% -
random/pr12392.cpp/elf/sections/text -10.09% 563.08 KB 506.27 KB - 0.00% -
random/pr29433.cpp/elf -7.38% 1.46 MB 1.35 MB - -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/pr39326.c/elf -5.44% 1.46 MB 1.38 MB - -0.00% -
random/pr36262.c/elf -5.14% 368.81 KB 349.87 KB - 0.00% -
random/pr38518.c/elf -5.12% 368.62 KB 349.75 KB - 0.00% -
random/pr12850.cpp/elf -2.69% 31.23 MB 30.38 MB - -0.06% -
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: 0.11s