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: 1500.000
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.68
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: 263695408 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.O_g test results

Run Order Start Time Duration
Current 1603877791000.2298ca2d3e133945f5034065e843e2ea0f36e0bb 2020-10-28T12:06:39.973050 0:01:35.328640
Previous 1604097385000.f03851e1a6dac72127e97629e259ad01a2b1e7b6 2020-10-31T01:30:36.366439 0:01:34.483218
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 1 8
Performance Improvements 2 23
Added Tests 3 3
Unchanged Tests 282 254
Total Tests 288

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.c 2.18% 17.04 MB 17.41 MB - 5.61% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -7.91% 14.605 13.449 - -28.94% -
random/pr39326.c -2.02% 105.106 102.982 - -24.13% -

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/pr36439.cpp 8.73% 23.116 25.133 - 0.21% -
random/pr36262.c 5.87% 4.517 4.782 - -0.24% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 16.84% 569.09 MB 664.93 MB - -0.00% -
random/empty.C 5.82% 17.60 MB 18.62 MB - 1.66% -
random/empty.c 5.61% 16.49 MB 17.41 MB - 2.18% -
random/pr39326.c 3.72% 447.71 MB 464.37 MB - -0.05% -
random/pr29433.cpp 3.19% 1.92 GB 1.98 GB - -0.24% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf 6.95% 12.12 MB 12.96 MB - -0.02% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c -28.94% 18.927 13.449 - -7.91% -
random/pr69609.c -28.76% 30.784 21.931 - 0.10% -
random/pr39326.c -24.13% 135.733 102.982 - -2.02% -
random/pr38518.c -21.78% 4.924 3.852 - -0.28% -
random/pr28071.c -18.12% 53.756 44.014 - -0.96% -
random/pr70614.c -18.00% 26.005 21.323 - -0.77% -
random/pr12392.cpp -15.49% 37.526 31.713 - -0.64% -
random/pr26854.c -11.17% 107.634 95.610 - -0.59% -
random/pr12850.cpp -9.19% 53.302 48.404 - -0.11% -
random/pr29433.cpp -7.24% 16.036 14.875 - -0.01% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.11% 933.04 MB 820.02 MB - 0.05% -
random/pr12850.cpp -11.22% 993.85 MB 882.39 MB - 0.13% -
random/pr26854.c -4.97% 1.10 GB 1.05 GB - -0.37% -
random/pr26854-2.c -3.30% 365.98 MB 353.90 MB - -0.46% -
random/pr69609.c -2.91% 526.51 MB 511.18 MB - 0.39% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -39.47% 15.64 MB 9.47 MB - 0.00% -
random/pr12850.cpp/elf/sections/text -19.86% 34.82 KB 27.90 KB - 0.00% -
random/pr12850.cpp/elf -17.65% 36.91 MB 30.40 MB - -0.00% -
random/pr69609.c/elf -9.72% 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 309.73 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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