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: 1496.355
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.84
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: 263696144 kB

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 20201028 (experimental) 2298ca2d3e133945f5034065e843e2ea0f36e0bb
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 2298ca2d3e133945f5034065e843e2ea0f36e0bb
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 benzen 5.7.9-1-default #1 SMP Thu Jul 16 09:40:08 UTC 2020 (a010166) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk.Ofast test results

Run Order Start Time Duration
Current 1603877791000.2298ca2d3e133945f5034065e843e2ea0f36e0bb 2020-10-28T12:06:39.973050 0:01:35.458544
Previous 1603671381000.9651cba4360ef7fbdff4f64faf9f650e1246a5c1 2020-10-26T09:12:15.964981 0:01:34.192855
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364


Tests Summary

Status Group # # (B)
Performance Regressions 2 15
Performance Improvements 5 10
Added Tests 3 3
Unchanged Tests 260 242
Total Tests 270

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 8.07% 1.27 GB 1.38 GB - 145.04% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c/elf/sections/text 3.86% 350.10 KB 363.62 KB - 12.33% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c -22.90% 106.975 82.478 - -21.19% -
random/pr26854-2.c -5.95% 56.362 53.009 - -7.03% -
random/pr12392.cpp -2.90% 59.360 57.637 - 48.33% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -18.52% 1.48 GB 1.21 GB - -16.82% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c/elf/sections/text -4.62% 332.41 KB 317.05 KB - -6.71% -

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/pr12392.cpp 48.33% 38.857 57.637 - -2.90% -
random/pr36439.cpp 5.43% 33.160 34.961 - -0.53% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 145.04% 575.34 MB 1.38 GB - 8.07% -
random/pr29433.cpp 13.67% 330.88 MB 376.11 MB - -0.13% -
random/pr12392.cpp 12.98% 908.87 MB 1.00 GB - 0.02% -
random/empty.c 6.37% 16.24 MB 17.27 MB - 0.36% -
random/empty.C 6.22% 17.34 MB 18.42 MB - -0.69% -
random/pr12850.cpp 4.88% 569.88 MB 597.68 MB - -0.14% -
random/pr36291.cpp 2.70% 480.34 MB 493.31 MB - -0.05% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c/elf/sections/text 12.33% 323.69 KB 363.62 KB - 3.86% -
random/pr36439.cpp/elf/sections/text 4.16% 123.36 KB 128.50 KB - -0.74% -
random/pr26854-2.c/elf 2.78% 975.05 KB 1002.20 KB - 1.36% -
random/pr12850.cpp/elf/sections/text 2.55% 91.26 KB 93.58 KB - 0.02% -
random/pr36262.c/elf 2.07% 511.09 KB 521.64 KB - 0.20% -
random/pr38518.c/elf 2.07% 511.09 KB 521.64 KB - 0.20% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -42.57% 1.435 0.824 - -0.77% -
random/pr60243.c -28.51% 117.203 83.793 - 1.57% -
random/pr39326.c -21.19% 104.650 82.478 - -22.90% -
random/pr29433.cpp -14.41% 3.947 3.378 - 0.15% -
random/pr26854-2.c -7.03% 57.018 53.009 - -5.95% -
random/pr36291.cpp -3.77% 29.982 28.852 - -0.15% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c -16.82% 1.45 GB 1.21 GB - -18.52% -
random/pr60243.c -4.85% 2.10 GB 2.00 GB - 0.02% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -21.96% 964.91 KB 753.03 KB - -0.45% -
random/pr39326.c/elf/sections/text -6.71% 339.86 KB 317.05 KB - -4.62% -

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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