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 20201001 (experimental) 75f27a872e94cbe2e661d58d527d42140ea30424
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 75f27a872e94cbe2e661d58d527d42140ea30424
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-honza.O0_g test results

Run Order Start Time Duration
Current 1601747302000.75f27a872e94cbe2e661d58d527d42140ea30424 2020-10-03T22:57:55.587757 0:01:32.899537
Previous 1579035419000.c478047c0fd71e8bd8e069c729b57a89b75ee004 2020-01-14T23:29:36.477042 0:01:31.302815
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913


Tests Summary

Status Group # # (B)
Performance Regressions 10 9
Performance Improvements 10 13
Added Tests 3 3
Unchanged Tests 301 299
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c 119.94% 4.598 10.112 - -5.16% -
random/pr12392.cpp 3.19% 4.439 4.581 - -2.98% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp 19.91% 495.30 MB 593.92 MB - 20.09% -
random/pr12392.cpp 13.10% 307.78 MB 348.11 MB - 15.67% -
random/empty.C 3.76% 17.77 MB 18.44 MB - 4.10% -
random/pr29433.cpp 2.51% 1.91 GB 1.96 GB - 2.59% -
random/empty.c 2.14% 16.63 MB 16.99 MB - 2.72% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp/elf 2.83% 1.18 MB 1.22 MB - 3.00% -
random/pr36291.cpp/elf 2.25% 7.19 MB 7.35 MB - 2.47% -
random/pr39326.c/elf/sections/text 2.03% 436.45 KB 445.30 KB - 2.03% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d -6.40% 14.327 13.409 - -5.25% -
random/pr69609.c -5.32% 4.838 4.581 - -7.55% -
random/pr29433.cpp -4.48% 15.738 15.032 - -5.03% -
random/pr36291.cpp -3.53% 11.513 11.107 - -3.85% -
random/pr26854-2.c -3.53% 5.368 5.179 - -2.07% -
random/pr36439.cpp -2.49% 6.295 6.138 - -2.83% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp -5.13% 507.77 MB 481.71 MB - -5.41% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c/elf/sections/text -3.36% 1.06 MB 1.02 MB - 0.00% -
tramp3d/elf/sections/text -3.14% 1.01 MB 1001.19 KB - 0.16% -
random/pr28071.c/elf -2.15% 1.63 MB 1.59 MB - 0.03% -

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

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 20.09% 494.55 MB 593.92 MB - 19.91% -
random/pr12392.cpp 15.67% 300.94 MB 348.11 MB - 13.10% -
random/empty.C 4.10% 17.71 MB 18.44 MB - 3.76% -
random/empty.c 2.72% 16.54 MB 16.99 MB - 2.14% -
random/pr29433.cpp 2.59% 1.91 GB 1.96 GB - 2.51% -
random/pr36439.cpp 2.25% 346.68 MB 354.47 MB - 1.66% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp/elf 3.00% 1.18 MB 1.22 MB - 2.83% -
random/pr36291.cpp/elf 2.47% 7.17 MB 7.35 MB - 2.25% -
random/pr39326.c/elf/sections/text 2.03% 436.45 KB 445.30 KB - 2.03% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -7.55% 4.955 4.581 - -5.32% -
tramp3d -5.25% 14.152 13.409 - -6.40% -
random/pr28071.c -5.16% 10.663 10.112 - 119.94% -
random/pr29433.cpp -5.03% 15.829 15.032 - -4.48% -
random/pr36291.cpp -3.85% 11.552 11.107 - -3.53% -
random/pr26854.c -3.29% 33.372 32.276 - -1.37% -
random/pr12392.cpp -2.98% 4.721 4.581 - 3.19% -
random/pr36439.cpp -2.83% 6.317 6.138 - -2.49% -
random/pr12850.cpp -2.81% 13.171 12.800 - -1.11% -
random/pr26854-2.c -2.07% 5.288 5.179 - -3.53% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -5.41% 509.29 MB 481.71 MB - -5.13% -
random/pr28071.c -3.91% 301.07 MB 289.30 MB - 1.12% -
random/pr39326.c -2.01% 156.83 MB 153.68 MB - 1.11% -

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


Report Time: 0.17s
Name Current %
random/empty.C 18.44 MB 3.76%
random/empty.c 16.99 MB 2.14%
random/pr12392.cpp 348.11 MB 13.10%
random/pr12850.cpp 593.92 MB 19.91%
random/pr26854-2.c 252.72 MB -
random/pr26854.c 906.60 MB -
random/pr28071.c 289.30 MB -
random/pr29433.cpp 1.96 GB 2.51%
random/pr36262.c 90.50 MB -
random/pr36291.cpp 481.71 MB -5.13%
random/pr36439.cpp 354.47 MB -
random/pr38518.c 90.49 MB -
random/pr39326.c 153.68 MB -
random/pr60243.c 1.68 GB -
random/pr69609.c 356.48 MB -
random/pr70614.c 42.02 MB -
tramp3d 596.77 MB -
Geometric Mean 239.66 MB 2.38%