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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: 39 bits physical, 48 bits virtual
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 158
Model name: Intel(R) Core(TM) i5-7400 CPU @ 3.00GHz
Stepping: 9
CPU MHz: 3000.000
CPU max MHz: 3500.0000
CPU min MHz: 800.0000
BogoMIPS: 6000.00
L1d cache: 128 KiB
L1i cache: 128 KiB
L2 cache: 1 MiB
L3 cache: 6 MiB
NUMA node0 CPU(s): 0-3
Vulnerability Itlb multihit: KVM: Mitigation: VMX unsupported
Vulnerability L1tf: Mitigation; PTE Inversion
Vulnerability Mds: Mitigation; Clear CPU buffers; SMT disabled
Vulnerability Meltdown: Mitigation; PTI
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 generic retpoline, IBPB conditional, IBRS_FW, STIBP disabled, RSB filling
Vulnerability Srbds: Mitigation; Microcode
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 dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault invpcid_single pti ssbd ibrs ibpb stibp fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
memory MemTotal: 8004140 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 20190716 (experimental) b4731ec0c50ff78573b8961c6c43891fbc9d508b
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 b4731ec0c50ff78573b8961c6c43891fbc9d508b
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 kaby 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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kaby.gcc-trunk-honza.Ofast test results

Run Order Start Time Duration
Current 1563549656000.b4731ec0c50ff78573b8961c6c43891fbc9d508b 2019-07-22T02:33:59.785651 0:00:41.886137
Previous 1563280807000.d6db30f38097b1b80ee5dd330275438ccd8a0fc6 2019-07-17T08:15:58.189753 0:00:41.992614
Baseline 1543418663000.76774f4acec2ffd137338a13eb4e2ae30bb97daf 2018-11-29T01:03:57.564070 0:00:41.004426

Tests Summary

Status Group # # (B)
Performance Regressions 2 19
Performance Improvements 2 15
Added Tests 3 3
Unchanged Tests 299 269
Total Tests 306

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c 4.71% 71.106 74.459 - -21.17% -
random/pr26854-2.c 3.52% 39.915 41.321 - -2.74% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c -3.86% 74.373 71.498 - -21.71% -
random/pr60243.c -2.25% 230.813 225.609 - -11.92% -

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 30.29% 28.411 37.016 - 1.27% -
random/pr36439.cpp 20.50% 24.299 29.282 - 0.00% -
random/pr36498.cpp 19.84% 13.680 16.395 - -0.79% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp 11.76% 812.25 MB 907.74 MB - 0.00% -
random/pr44563.c 5.72% 1.31 GB 1.38 GB - 0.00% -
random/pr36262.c 2.84% 2.88 GB 2.96 GB - -0.01% -
random/pr38518.c 2.74% 2.88 GB 2.96 GB - 0.00% -
random/pr70614.c 2.08% 60.57 MB 61.83 MB - 0.00% -
random/empty.C 2.06% 17.09 MB 17.45 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 19.83% 383.31 KB 459.33 KB - 0.00% -
random/pr36439.cpp/elf 11.16% 1.57 MB 1.75 MB - 0.00% -
random/pr36498.cpp/elf 9.84% 1.55 MB 1.70 MB - 0.00% -
random/pr12392.cpp/elf/sections/text 9.75% 386.45 KB 424.12 KB - 0.00% -
random/pr12850.cpp/elf 6.53% 3.28 MB 3.50 MB - 0.00% -
random/pr12392.cpp/elf 3.99% 1.09 MB 1.13 MB - 0.00% -
random/pr39326.c/elf/sections/text 3.88% 330.11 KB 342.92 KB - 0.00% -
random/pr29433.cpp/elf 2.81% 89.03 KB 91.53 KB - 0.00% -
random/pr36262.c/elf 2.09% 503.58 KB 514.09 KB - 0.00% -
random/pr38518.c/elf 2.09% 503.58 KB 514.09 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -21.71% 91.329 71.498 - -3.86% -
random/pr36262.c -21.17% 94.455 74.459 - 4.71% -
random/pr12392.cpp -14.22% 32.583 27.949 - -0.28% -
random/pr60243.c -11.92% 256.150 225.609 - -2.25% -
random/pr39326.c -9.16% 93.896 85.298 - -0.56% -
random/pr28071.c -5.66% 67.092 63.297 - -1.15% -
random/pr70614.c -3.56% 0.788 0.760 - -0.33% -
random/pr26854-2.c -2.74% 42.486 41.321 - 3.52% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -15.66% 675.97 MB 570.10 MB - 0.00% -
random/pr28071.c -14.58% 1.56 GB 1.33 GB - 0.00% -
random/pr36498.cpp -2.76% 385.14 MB 374.52 MB - 0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text -54.15% 12.09 KB 5.54 KB - 0.00% -
random/pr12850.cpp/elf/sections/text -14.55% 33.93 KB 28.99 KB - 0.00% -
random/pr69609.c/elf -2.87% 1.32 MB 1.28 MB - 0.00% -
random/pr69609.c/elf/sections/text -2.18% 486.89 KB 476.30 KB - 0.00% -

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

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