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 20191108 (experimental) 88f3bee5d1612ffc40689104c817d1c6aba361be
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 88f3bee5d1612ffc40689104c817d1c6aba361be
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.Ofast test results

Run Order Start Time Duration
Current 1573176100000.88f3bee5d1612ffc40689104c817d1c6aba361be 2019-11-08T07:29:41.492826 0:01:30.748915
Previous 1573703383000.e613a5b1b41a411bf01f36a82ce28ca94da839f0 2019-11-14T07:30:28.980425 0:01:31.069636
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364


Tests Summary

Status Group # # (B)
Performance Regressions 15 0
Performance Improvements 7 8
Added Tests 3 3
Unchanged Tests 245 259
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 50.27% 75.544 113.517 - -3.14% -
random/pr39326.c 2.06% 102.374 104.483 - -0.16% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 49.65% 237.97 MB 356.12 MB - -0.40% -
random/pr36439.cpp 43.22% 316.06 MB 452.68 MB - 0.01% -
random/pr12850.cpp 42.05% 400.92 MB 569.49 MB - -0.07% -
random/pr36291.cpp 40.31% 342.87 MB 481.07 MB - 0.15% -
random/pr39326.c 18.17% 487.23 MB 575.78 MB - 0.08% -
random/pr12392.cpp 16.73% 781.23 MB 911.94 MB - 0.34% -
random/pr70614.c 15.38% 54.32 MB 62.68 MB - 0.37% -
random/pr28071.c 15.31% 1.14 GB 1.31 GB - -0.24% -
random/pr60243.c 10.92% 1.83 GB 2.03 GB - -3.38% -
random/pr29433.cpp 9.32% 304.35 MB 332.73 MB - 0.56% -
random/pr26854-2.c 5.06% 1.38 GB 1.45 GB - 0.01% -
random/pr36262.c 4.35% 2.77 GB 2.89 GB - 0.38% -
random/pr38518.c 4.34% 2.77 GB 2.89 GB - 0.43% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -10.54% 36.304 32.479 - -2.06% -
random/pr12850.cpp -8.33% 42.811 39.244 - -4.61% -
random/pr36498.cpp -7.64% 16.792 15.508 - -4.76% -
random/pr12392.cpp -5.72% 41.002 38.656 - -0.52% -
random/pr26854-2.c -4.77% 58.085 55.317 - -2.98% -
random/pr36291.cpp -4.70% 30.165 28.746 - -4.12% -
random/pr29433.cpp -4.68% 4.156 3.962 - 0.38% -

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

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp -4.76% 16.283 15.508 - -7.64% -
random/pr12850.cpp -4.61% 41.140 39.244 - -8.33% -
random/pr36291.cpp -4.12% 29.982 28.746 - -4.70% -
random/pr60243.c -3.14% 117.203 113.517 - 50.27% -
random/pr28071.c -3.09% 68.825 66.700 - -1.72% -
random/pr26854-2.c -2.98% 57.018 55.317 - -4.77% -
random/pr36439.cpp -2.06% 33.160 32.479 - -10.54% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -3.38% 2.10 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: 0.14s
Name Current %
random/empty.C 17.45 MB -
random/empty.c 16.45 MB -
random/pr12392.cpp 911.94 MB 16.73%
random/pr12850.cpp 569.49 MB 42.05%
random/pr26854-2.c 1.45 GB 5.06%
random/pr28071.c 1.31 GB 15.31%
random/pr29433.cpp 332.73 MB 9.32%
random/pr36262.c 2.89 GB 4.35%
random/pr36291.cpp 481.07 MB 40.31%
random/pr36439.cpp 452.68 MB 43.22%
random/pr36498.cpp 356.12 MB 49.65%
random/pr38518.c 2.89 GB 4.34%
random/pr39326.c 575.78 MB 18.17%
random/pr60243.c 2.03 GB 10.92%
random/pr70614.c 62.68 MB 15.38%
Geometric Mean 443.40 MB 17.23%