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) 2.32.0.20190909-8
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) 10.0.0 20191119 (experimental) 2215fdeda1210c2c02e5a06987b1d3524625535e
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.
git_revision 2215fdeda1210c2c02e5a06987b1d3524625535e
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-honza.O0_g test results

Run Order Start Time Duration
Current 1574187387000.2215fdeda1210c2c02e5a06987b1d3524625535e 2019-11-19T20:47:14.981300 0:01:31.271409
Previous 1573809007000.e8b2668ccfee932e0146438b03ccf50e80961d08 2019-11-15T18:29:40.147922 0:01:30.995047
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913


Tests Summary

Status Group # # (B)
Performance Regressions 16 1
Performance Improvements 13 2
Added Tests 3 3
Unchanged Tests 292 318
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 5.08% 40.188 42.232 - -1.82% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 42.70% 242.86 MB 346.56 MB - -0.03% -
random/pr60243.c 27.31% 1.32 GB 1.68 GB - -0.04% -
random/pr36291.cpp 25.73% 405.21 MB 509.49 MB - 0.04% -
random/pr36498.cpp 23.35% 263.61 MB 325.16 MB - -0.07% -
random/pr12392.cpp 22.27% 246.99 MB 301.98 MB - 0.35% -
random/pr12850.cpp 19.43% 414.52 MB 495.04 MB - 0.10% -
tramp3d 15.99% 513.75 MB 595.88 MB - -0.02% -
random/pr28071.c 8.52% 279.11 MB 302.88 MB - 0.60% -
random/pr26854-2.c 8.30% 233.48 MB 252.85 MB - 0.29% -
random/pr69609.c 7.71% 337.47 MB 363.49 MB - 0.19% -
random/pr38518.c 6.93% 84.33 MB 90.17 MB - 0.53% -
random/pr36262.c 6.89% 84.32 MB 90.13 MB - 0.40% -
random/pr70614.c 4.94% 40.47 MB 42.47 MB - 0.79% -
random/pr26854.c 4.33% 870.43 MB 908.10 MB - -0.02% -
random/pr39326.c 2.92% 152.98 MB 157.45 MB - 0.40% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d -14.47% 16.474 14.090 - -0.44% -
random/pr36439.cpp -14.39% 6.883 5.892 - -6.72% -
random/pr69609.c -12.13% 5.580 4.903 - -1.05% -
random/pr12392.cpp -11.11% 4.968 4.416 - -6.46% -
random/pr36498.cpp -10.91% 6.469 5.763 - 0.09% -
random/pr12850.cpp -9.40% 14.566 13.196 - 0.19% -
random/pr36291.cpp -5.84% 12.299 11.581 - 0.25% -
random/pr36262.c -5.33% 0.983 0.930 - 0.11% -
random/pr38518.c -5.13% 0.979 0.929 - -0.31% -
random/pr26854-2.c -4.27% 5.577 5.339 - 0.96% -
random/pr39326.c -3.56% 2.140 2.064 - 0.32% -
random/pr28071.c -3.40% 11.106 10.728 - 0.61% -
random/pr26854.c -2.18% 33.959 33.217 - -0.47% -

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/empty.c 2.01% 16.54 MB 16.87 MB - 0.05% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp -6.72% 6.317 5.892 - -14.39% -
random/pr12392.cpp -6.46% 4.721 4.416 - -11.11% -

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


Report Time: 0.11s
Name Current %
random/empty.C 0.027 -
random/empty.c 0.026 -
random/pr12392.cpp 4.416 -11.11%
random/pr12850.cpp 13.196 -9.40%
random/pr26854-2.c 5.339 -4.27%
random/pr26854.c 33.217 -2.18%
random/pr28071.c 10.728 -3.40%
random/pr29433.cpp 15.815 -
random/pr36262.c 0.930 -5.33%
random/pr36291.cpp 11.581 -5.84%
random/pr36439.cpp 5.892 -14.39%
random/pr36498.cpp 5.763 -10.91%
random/pr38518.c 0.929 -5.13%
random/pr39326.c 2.064 -3.56%
random/pr60243.c 42.232 5.08%
random/pr69609.c 4.903 -12.13%
random/pr70614.c 0.305 -
tramp3d 14.090 -14.47%
Geometric Mean 3.122 -5.84%
Name Current %
random/empty.C 17.98 MB -
random/empty.c 16.87 MB -
random/pr12392.cpp 301.98 MB 22.27%
random/pr12850.cpp 495.04 MB 19.43%
random/pr26854-2.c 252.85 MB 8.30%
random/pr26854.c 908.10 MB 4.33%
random/pr28071.c 302.88 MB 8.52%
random/pr29433.cpp 1.91 GB -
random/pr36262.c 90.13 MB 6.89%
random/pr36291.cpp 509.49 MB 25.73%
random/pr36439.cpp 346.56 MB 42.70%
random/pr36498.cpp 325.16 MB 23.35%
random/pr38518.c 90.17 MB 6.93%
random/pr39326.c 157.45 MB 2.92%
random/pr60243.c 1.68 GB 27.31%
random/pr69609.c 363.49 MB 7.71%
random/pr70614.c 42.47 MB 4.94%
tramp3d 595.88 MB 15.99%
Geometric Mean 240.40 MB 12.25%