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: 1712.171
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) 2.32.0.20190909-8
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) 10.0.1 20200123 (experimental) c124b345e460780e3c3d4a6e58d0e6e03da982a1
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 c124b345e460780e3c3d4a6e58d0e6e03da982a1
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.O_g test results

Run Order Start Time Duration
Current 1579792676000.c124b345e460780e3c3d4a6e58d0e6e03da982a1 2020-01-23T18:08:31.956731 0:01:30.294561
Previous 1579745205000.591b59ebfcd48319452ebbd954267c9a05ba4b78 2020-01-23T07:13:26.082165 0:01:34.019125
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 3 6
Performance Improvements 6 16
Added Tests 2 2
Unchanged Tests 277 264
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr69609.c 4.83% 21.328 22.358 - -27.37% -
random/pr70614.c 2.50% 23.395 23.980 - -7.78% -
random/pr12850.cpp 2.33% 47.728 48.841 - -8.37% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -21.34% 18.495 14.549 - -23.13% -
random/pr36262.c -8.24% 4.968 4.558 - 0.92% -
random/pr39326.c -3.04% 136.343 132.199 - -2.60% -
random/pr36291.cpp -2.85% 22.467 21.826 - -0.04% -
random/pr26854.c -2.67% 107.650 104.771 - -2.66% -
random/pr12392.cpp -2.50% 31.305 30.523 - -18.66% -

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

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp 4.52% 19.146 20.011 - 0.18% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 3.48% 16.49 MB 17.06 MB - -0.02% -
random/empty.C 3.46% 17.60 MB 18.21 MB - 0.37% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.88% 417.24 KB 458.47 KB - 0.00% -
random/pr36498.cpp/elf 8.94% 15.81 MB 17.23 MB - 0.00% -
random/pr29433.cpp/elf 2.77% 1.35 MB 1.39 MB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -27.37% 30.784 22.358 - 4.83% -
random/pr26854-2.c -23.13% 18.927 14.549 - -21.34% -
random/pr12392.cpp -18.66% 37.526 30.523 - -2.50% -
random/pr28071.c -17.65% 53.756 44.267 - 0.74% -
random/pr12850.cpp -8.37% 53.302 48.841 - 2.33% -
random/pr70614.c -7.78% 26.005 23.980 - 2.50% -
random/pr26854.c -2.66% 107.634 104.771 - -2.67% -
random/pr39326.c -2.60% 135.733 132.199 - -3.04% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.02% 933.04 MB 820.92 MB - -0.06% -
random/pr12850.cpp -8.56% 993.85 MB 908.73 MB - -0.02% -
random/pr69609.c -2.05% 526.51 MB 515.73 MB - -0.20% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -20.66% 34.82 KB 27.62 KB - 0.00% -
random/pr12850.cpp/elf -13.46% 36.91 MB 31.94 MB - 0.00% -
random/pr69609.c/elf -9.66% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.01% 435.59 KB 405.05 KB - 0.00% -
random/pr39326.c/elf -5.84% 1.46 MB 1.38 MB - 0.00% -

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


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