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 20201016 (experimental) b85d5dc58359ba6f12407861bb50af5e503f89e4
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 b85d5dc58359ba6f12407861bb50af5e503f89e4
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 1602807389000.b85d5dc58359ba6f12407861bb50af5e503f89e4 2020-10-16T07:27:46.300638 0:01:36.158578
Previous 1601856978000.4347d36f934ac6eeb807f73d48c70b29fc3fd8fb 2020-10-05T07:25:02.118275 0:01:28.746549
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 4 9
Performance Improvements 7 24
Added Tests 3 3
Unchanged Tests 274 252
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c 24.58% 3.844 4.789 - 6.03% -
random/pr12392.cpp 7.60% 29.650 31.903 - -14.98% -
random/pr36439.cpp 4.38% 24.004 25.056 - 8.39% -
random/pr28071.c 3.53% 43.008 44.526 - -17.17% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c -22.04% 4.914 3.831 - -22.21% -
random/pr70614.c -6.07% 23.127 21.723 - -16.46% -
random/pr29433.cpp -4.50% 15.459 14.763 - -7.94% -
random/pr26854-2.c -3.34% 13.813 13.351 - -29.46% -
random/pr26854.c -2.14% 98.354 96.244 - -10.58% -
random/pr39326.c -2.09% 105.542 103.340 - -23.87% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp/elf -2.45% 1.39 MB 1.36 MB - 0.29% -

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 8.39% 23.116 25.056 - 4.38% -
random/pr36262.c 6.03% 4.517 4.789 - 24.58% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 10.87% 569.09 MB 630.95 MB - -0.39% -
random/empty.C 5.77% 17.60 MB 18.61 MB - 0.55% -
random/empty.c 4.71% 16.49 MB 17.27 MB - 1.52% -
random/pr12392.cpp 3.68% 705.73 MB 731.68 MB - 0.10% -
random/pr39326.c 3.61% 447.71 MB 463.86 MB - -0.02% -
random/pr29433.cpp 2.48% 1.92 GB 1.96 GB - -0.19% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf 7.03% 12.12 MB 12.97 MB - 0.01% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c -29.46% 18.927 13.351 - -3.34% -
random/pr69609.c -29.29% 30.784 21.766 - 1.74% -
random/pr39326.c -23.87% 135.733 103.340 - -2.09% -
random/pr38518.c -22.21% 4.924 3.831 - -22.04% -
random/pr28071.c -17.17% 53.756 44.526 - 3.53% -
random/pr70614.c -16.46% 26.005 21.723 - -6.07% -
random/pr12392.cpp -14.98% 37.526 31.903 - 7.60% -
random/pr26854.c -10.58% 107.634 96.244 - -2.14% -
random/pr12850.cpp -9.27% 53.302 48.360 - -0.49% -
random/pr29433.cpp -7.94% 16.036 14.763 - -4.50% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.10% 933.04 MB 820.16 MB - 0.04% -
random/pr12850.cpp -9.85% 993.85 MB 895.93 MB - -0.05% -
random/pr26854.c -4.96% 1.10 GB 1.05 GB - -0.42% -
random/pr26854-2.c -3.85% 365.98 MB 351.88 MB - 0.65% -
random/pr69609.c -3.38% 526.51 MB 508.74 MB - 0.30% -
random/pr36262.c -2.06% 196.75 MB 192.68 MB - -0.10% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -39.47% 15.64 MB 9.47 MB - -0.01% -
random/pr12850.cpp/elf/sections/text -19.88% 34.82 KB 27.89 KB - -0.03% -
random/pr12850.cpp/elf -17.67% 36.91 MB 30.39 MB - 0.02% -
random/pr69609.c/elf -9.72% 1.73 MB 1.57 MB - -0.01% -
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 -2.78% 318.56 KB 309.71 KB - 0.01% -
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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