Runs:

Compare To:

Machine Info

Fields

hardware None
os_version None

Parameters

cpu Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 48 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 128
On-line CPU(s) list: 0-127
Vendor ID: AuthenticAMD
Model name: AMD EPYC 7702 64-Core Processor
CPU family: 23
Model: 49
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
Stepping: 0
Frequency boost: enabled
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.35
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 rapl 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 v_spec_ctrl umip rdpid overflow_recov succor smca
Virtualization: AMD-V
L1d cache: 2 MiB (64 instances)
L1i cache: 2 MiB (64 instances)
L2 cache: 32 MiB (64 instances)
L3 cache: 256 MiB (16 instances)
NUMA node(s): 1
NUMA node0 CPU(s): 0-127
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
Vulnerability Mmio stale data: Not affected
Vulnerability Retbleed: Mitigation; untrained return thunk; SMT enabled with STIBP protection
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; Retpolines, IBPB conditional, STIBP always-on, RSB filling, PBRSB-eIBRS Not affected
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
memory MemTotal: 263696376 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 20200813 (experimental) 808f4dfeb3a95f50f15e71148e5c1067f90a126d
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 808f4dfeb3a95f50f15e71148e5c1067f90a126d
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
View Options
Report
Filter

benzen.gcc-trunk.Ofast test results

Run Order Start Time Duration
Current 1597348899000.808f4dfeb3a95f50f15e71148e5c1067f90a126d 2020-08-13T23:57:21.471529 0:01:32.905031
Previous 1597191387000.a64938091bf13c53cf4dc69eb3c82f8f2f476300 2020-08-12T07:26:38.251168 0:01:30.510173
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364

Tests Summary

Status Group # # (B)
Performance Regressions 3 10
Performance Improvements 2 11
Added Tests 3 3
Unchanged Tests 262 246
Total Tests 270

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp 4.75% 15.436 16.170 - -0.70% -
random/pr36439.cpp 2.72% 33.811 34.731 - 4.74% -
random/pr26854-2.c 2.49% 52.864 54.180 - -4.98% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -2.10% 35.918 35.162 - -9.51% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C -2.09% 18.32 MB 17.94 MB - 3.42% -

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/pr28071.c 6.44% 68.825 73.257 - -0.02% -
random/pr29433.cpp 5.79% 3.947 4.175 - 0.42% -
random/pr39326.c 5.23% 104.650 110.124 - -1.81% -
random/pr36439.cpp 4.74% 33.160 34.731 - 2.72% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp 13.81% 330.88 MB 376.57 MB - 0.03% -
random/empty.c 3.82% 16.24 MB 16.86 MB - 1.72% -
random/pr36291.cpp 3.73% 480.34 MB 498.24 MB - -0.01% -
random/pr12850.cpp 3.71% 569.88 MB 591.01 MB - -0.02% -
random/empty.C 3.42% 17.34 MB 17.94 MB - -2.09% -
random/pr39326.c 2.64% 575.34 MB 590.51 MB - 0.03% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -29.39% 117.203 82.756 - 1.59% -
random/pr12392.cpp -9.51% 38.857 35.162 - -2.10% -
random/pr26854-2.c -4.98% 57.018 54.180 - 2.49% -
random/pr36291.cpp -4.46% 29.982 28.645 - 0.21% -
random/pr12850.cpp -4.06% 41.140 39.468 - 0.25% -
random/pr70614.c -2.91% 1.435 1.393 - 0.31% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -8.24% 908.87 MB 833.95 MB - -0.67% -
random/pr28071.c -6.52% 1.32 GB 1.23 GB - 0.01% -
random/pr60243.c -3.42% 2.10 GB 2.03 GB - 0.00% -
random/pr26854-2.c -3.11% 1.45 GB 1.40 GB - -0.04% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf/sections/text -2.04% 411.00 KB 402.61 KB - -1.81% -

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

Report Time: 0.18s