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: 1467.475
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) 2.32.0.20190909-8
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 20200109 (experimental) d1dceb42b810e82edb8acfc387ee6b3f40ecddbc
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 d1dceb42b810e82edb8acfc387ee6b3f40ecddbc
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 1578533985000.d1dceb42b810e82edb8acfc387ee6b3f40ecddbc 2020-01-09T07:28:20.186285 0:01:32.088402
Previous 1578364696000.3b6f08b506915cc9e1d0f9f598dba2acd1928fef 2020-01-07T07:28:03.089359 0:01:32.026749
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.472364


Tests Summary

Status Group # # (B)
Performance Regressions 14 4
Performance Improvements 4 12
Added Tests 3 3
Unchanged Tests 249 251
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp 86.34% 19.368 36.089 - -7.12% -
random/pr36439.cpp 9.99% 30.003 33.001 - -0.48% -
random/pr36262.c 4.82% 33.645 35.266 - 4.85% -
random/pr36291.cpp 4.05% 28.814 29.983 - 0.00% -
random/pr28071.c 3.69% 64.174 66.541 - -3.32% -
random/pr36498.cpp 2.43% 15.133 15.500 - -4.81% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c 131.50% 545.00 MB 1.23 GB - -6.42% -
random/pr12392.cpp 70.13% 491.17 MB 835.63 MB - -8.06% -
random/pr36439.cpp 13.28% 396.40 MB 449.04 MB - -0.80% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c/elf/sections/text 59.95% 506.47 KB 810.08 KB - 0.00% -
random/pr12392.cpp/elf/sections/text 36.54% 300.56 KB 410.40 KB - -0.14% -
random/pr12392.cpp/elf 11.56% 1005.59 KB 1.10 MB - -0.06% -
random/pr28071.c/elf 4.65% 1.22 MB 1.28 MB - 0.00% -
random/pr36498.cpp/elf/sections/text 2.43% 403.80 KB 413.63 KB - -0.64% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp/elf -10.36% 1.95 MB 1.74 MB - -1.44% -
random/pr12850.cpp/elf/sections/text -9.01% 100.74 KB 91.66 KB - 0.45% -
random/pr36439.cpp/elf/sections/text -7.22% 132.51 KB 122.95 KB - -0.34% -
random/pr29433.cpp/elf -2.81% 94.12 KB 91.47 KB - -0.03% -

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/pr36262.c 4.85% 33.635 35.266 - 4.82% -
random/pr38518.c 2.75% 33.910 34.843 - 1.18% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 3.20% 17.34 MB 17.90 MB - 0.04% -
random/pr12850.cpp 2.14% 569.88 MB 582.09 MB - 0.58% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -28.82% 117.203 83.424 - 1.06% -
random/pr12392.cpp -7.12% 38.857 36.089 - 86.34% -
random/pr12850.cpp -5.13% 41.140 39.029 - -1.04% -
random/pr36498.cpp -4.81% 16.283 15.500 - 2.43% -
random/pr28071.c -3.32% 68.825 66.541 - 3.69% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp -8.06% 908.87 MB 835.63 MB - 70.13% -
random/pr28071.c -6.42% 1.32 GB 1.23 GB - 131.50% -
random/pr26854-2.c -5.14% 1.45 GB 1.37 GB - 0.03% -
random/pr70614.c -3.82% 62.45 MB 60.06 MB - -1.62% -
random/pr60243.c -3.41% 2.10 GB 2.03 GB - 0.03% -
random/pr36262.c -2.09% 2.88 GB 2.82 GB - 0.20% -
random/pr38518.c -2.09% 2.88 GB 2.82 GB - 0.14% -

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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