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: 1734.219
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.49
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: 263729316 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 20200729 (experimental) 5c180464b7b0827b3cc07a78e96dfe55352db33f
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 5c180464b7b0827b3cc07a78e96dfe55352db33f
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.O_g test results

Run Order Start Time Duration
Current 1595983569000.5c180464b7b0827b3cc07a78e96dfe55352db33f 2020-07-29T09:21:34.783657 0:01:33.035907
Previous 1595952092000.f3665bd1111c1799c0421490b5e655f977570354 2020-07-28T22:31:39.818676 0:01:32.403227
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 4 14
Performance Improvements 2 23
Added Tests 3 3
Unchanged Tests 279 248
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 7.66% 21.050 22.662 - 3.79% -
random/pr69609.c 7.01% 20.889 22.353 - -27.39% -
random/pr26854-2.c 6.16% 14.472 15.364 - -18.82% -
random/pr12392.cpp 2.68% 27.985 28.734 - -23.43% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -4.18% 4.889 4.685 - 3.71% -
random/pr26854.c -2.74% 108.138 105.176 - -2.28% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr36439.cpp/elf/sections/text

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 3.79% 21.835 22.662 - 7.66% -
random/pr36262.c 3.71% 4.517 4.685 - -4.18% -
random/pr36439.cpp 2.76% 23.116 23.755 - -0.27% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp 8.03% 514.33 MB 555.64 MB - 0.02% -
random/pr36291.cpp 4.88% 569.09 MB 596.86 MB - -0.09% -
random/empty.C 4.75% 17.60 MB 18.43 MB - 0.00% -
random/pr12392.cpp 3.59% 705.73 MB 731.09 MB - -0.02% -
random/empty.c 3.48% 16.49 MB 17.06 MB - 0.37% -
random/pr39326.c 3.37% 447.71 MB 462.77 MB - -0.09% -
random/pr29433.cpp 2.38% 1.92 GB 1.96 GB - 0.03% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.83% 417.24 KB 458.26 KB - 0.00% -
random/pr36498.cpp/elf 6.74% 15.81 MB 16.88 MB - 0.00% -
random/pr36439.cpp/elf 6.72% 12.12 MB 12.93 MB - 0.00% -
random/pr29433.cpp/elf 2.29% 1.35 MB 1.38 MB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -27.39% 30.784 22.353 - 7.01% -
random/pr12392.cpp -23.43% 37.526 28.734 - 2.68% -
random/pr26854-2.c -18.82% 18.927 15.364 - 6.16% -
random/pr28071.c -18.50% 53.756 43.812 - 1.03% -
random/pr12850.cpp -13.14% 53.302 46.296 - -0.04% -
random/pr70614.c -12.06% 26.005 22.870 - 0.50% -
random/pr39326.c -4.89% 135.733 129.101 - -1.60% -
random/pr38518.c -4.57% 4.924 4.699 - -0.23% -
random/pr29433.cpp -4.05% 16.036 15.386 - 1.04% -
random/pr36498.cpp -2.36% 19.146 18.693 - -0.06% -
random/pr26854.c -2.28% 107.634 105.176 - -2.74% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.34% 933.04 MB 817.86 MB - -0.07% -
random/pr12850.cpp -8.21% 993.85 MB 912.30 MB - 0.02% -
random/pr69609.c -2.50% 526.51 MB 513.36 MB - 0.03% -
random/pr38518.c -2.16% 196.77 MB 192.52 MB - 0.24% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -39.50% 15.64 MB 9.46 MB - 0.00% -
random/pr12850.cpp/elf/sections/text -20.62% 34.82 KB 27.64 KB - 0.00% -
random/pr12850.cpp/elf -17.75% 36.91 MB 30.36 MB - 0.00% -
random/pr69609.c/elf -9.71% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.06% 435.59 KB 404.83 KB - 0.00% -
random/pr39326.c/elf -5.44% 1.46 MB 1.38 MB - 0.00% -
random/pr26854-2.c/elf/sections/text -2.77% 318.56 KB 309.75 KB - 0.00% -
random/pr28071.c/elf/sections/text -2.59% 662.44 KB 645.28 KB - 0.00% -

Added Tests - size
random/empty.c/elf/sections/text
random/empty.C/elf/sections/text
random/pr36439.cpp/elf/sections/text


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