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: 48 bits physical, 48 bits virtual
CPU(s): 128
On-line CPU(s) list: 0-127
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 49
Model name: AMD EPYC 7702 64-Core Processor
Stepping: 0
Frequency boost: enabled
CPU MHz: 1500.000
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.68
Virtualization: AMD-V
L1d cache: 2 MiB
L1i cache: 2 MiB
L2 cache: 32 MiB
L3 cache: 256 MiB
NUMA node0 CPU(s): 0-127
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, IBPB conditional, IBRS_FW, STIBP conditional, 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 ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
memory MemTotal: 263695408 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.32.0.20190909-8
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 20191119 (experimental) 2215fdeda1210c2c02e5a06987b1d3524625535e
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 2215fdeda1210c2c02e5a06987b1d3524625535e
glibc GNU C Library (GNU libc) stable release version 2.30 (git 0a8262a1b2).
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 9.2.1 20190903 [gcc-9-branch revision 275330].
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) 2.32.0.20190909-8
options None
reason None
uname Linux benzen 5.3.6-1-default #1 SMP Sun Oct 13 07:19:36 UTC 2019 (519ea7b) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.Ofast test results

Run Order Start Time Duration
Current 1574187387000.2215fdeda1210c2c02e5a06987b1d3524625535e 2019-11-19T20:47:14.981300 0:01:31.841484
Previous 1573809007000.e8b2668ccfee932e0146438b03ccf50e80961d08 2019-11-15T18:29:40.147922 0:01:31.541959
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785


Tests Summary

Status Group # # (B)
Performance Regressions 15 1
Performance Improvements 9 8
Added Tests 3 3
Unchanged Tests 243 258
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 12.68% 75.514 85.088 - -29.16% -
random/pr39326.c 3.45% 101.439 104.941 - -1.91% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 49.05% 238.48 MB 355.45 MB - -0.83% -
random/pr36439.cpp 41.92% 317.70 MB 450.86 MB - -1.93% -
random/pr12850.cpp 41.86% 400.32 MB 567.88 MB - -0.55% -
random/pr36291.cpp 39.94% 342.67 MB 479.53 MB - -0.55% -
random/pr39326.c 18.08% 487.55 MB 575.68 MB - 0.55% -
random/pr12392.cpp 16.44% 781.07 MB 909.46 MB - -0.38% -
random/pr28071.c 15.32% 1.14 GB 1.31 GB - -1.38% -
random/pr70614.c 14.52% 54.73 MB 62.68 MB - 0.93% -
random/pr60243.c 10.92% 1.83 GB 2.03 GB - -3.85% -
random/pr29433.cpp 8.88% 303.95 MB 330.95 MB - -0.01% -
random/pr26854-2.c 4.92% 1.38 GB 1.45 GB - -0.11% -
random/pr38518.c 4.46% 2.77 GB 2.89 GB - -0.47% -
random/pr36262.c 4.45% 2.77 GB 2.89 GB - -0.47% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -6.89% 34.794 32.398 - -0.34% -
random/pr12850.cpp -6.44% 42.059 39.350 - -2.19% -
random/pr36498.cpp -5.32% 16.637 15.752 - 1.01% -
random/pr29433.cpp -5.12% 4.178 3.964 - 0.66% -
random/pr36291.cpp -4.53% 30.268 28.898 - 0.17% -
random/pr38518.c -4.28% 34.105 32.645 - -4.09% -
random/pr26854-2.c -3.93% 56.348 54.136 - -6.83% -
random/pr36262.c -2.95% 34.480 33.463 - -2.73% -
random/pr12392.cpp -2.55% 39.273 38.272 - -3.57% -

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

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c 2.11% 1.422 1.452 - -0.10% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -29.16% 120.115 85.088 - 12.68% -
random/pr26854-2.c -6.83% 58.105 54.136 - -3.93% -
random/pr38518.c -4.09% 34.036 32.645 - -4.28% -
random/pr12392.cpp -3.57% 39.689 38.272 - -2.55% -
random/pr36262.c -2.73% 34.404 33.463 - -2.95% -
random/pr28071.c -2.41% 67.980 66.340 - 0.20% -
random/pr12850.cpp -2.19% 40.232 39.350 - -6.44% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -3.85% 2.11 GB 2.03 GB - 10.92% -

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


Report Time: 0.10s
Name Current %
random/empty.C 17.81 MB -
random/empty.c 16.71 MB -
random/pr12392.cpp 909.46 MB 16.44%
random/pr12850.cpp 567.88 MB 41.86%
random/pr26854-2.c 1.45 GB 4.92%
random/pr28071.c 1.31 GB 15.32%
random/pr29433.cpp 330.95 MB 8.88%
random/pr36262.c 2.89 GB 4.45%
random/pr36291.cpp 479.53 MB 39.94%
random/pr36439.cpp 450.86 MB 41.92%
random/pr36498.cpp 355.45 MB 49.05%
random/pr38518.c 2.89 GB 4.46%
random/pr39326.c 575.68 MB 18.08%
random/pr60243.c 2.03 GB 10.92%
random/pr70614.c 62.68 MB 14.52%
Geometric Mean 443.88 MB 17.14%