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: 2000.000
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 20191106 (experimental) 1d642b7faefb5ca89e03248e373130bb98f1d232
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 1d642b7faefb5ca89e03248e373130bb98f1d232
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.O0_g test results

Run Order Start Time Duration
Current 1573047103000.1d642b7faefb5ca89e03248e373130bb98f1d232 2019-11-06T16:35:27.255576 0:01:28.640034
Previous 1573604185000.00bb511c162e8853b26943bd14212f69324d1f65 2019-11-13T07:30:28.838286 0:01:31.508830
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 16 1
Performance Improvements 13 3
Added Tests 3 3
Unchanged Tests 292 317
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 9.13% 38.946 42.502 - -2.13% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 42.93% 242.72 MB 346.92 MB - 0.07% -
random/pr60243.c 27.23% 1.32 GB 1.68 GB - 0.19% -
random/pr36291.cpp 25.81% 405.13 MB 509.71 MB - 0.15% -
random/pr36498.cpp 23.50% 263.46 MB 325.36 MB - 0.14% -
random/pr12392.cpp 22.62% 246.43 MB 302.17 MB - 0.07% -
random/pr12850.cpp 19.57% 414.04 MB 495.09 MB - -0.04% -
tramp3d 16.00% 513.75 MB 595.95 MB - 0.08% -
random/pr26854-2.c 8.43% 232.75 MB 252.38 MB - -0.04% -
random/pr28071.c 8.31% 278.96 MB 302.14 MB - -0.09% -
random/pr69609.c 7.22% 337.68 MB 362.05 MB - 0.02% -
random/pr38518.c 7.16% 84.21 MB 90.23 MB - 0.58% -
random/pr36262.c 7.15% 84.23 MB 90.25 MB - 0.60% -
random/pr70614.c 4.58% 40.38 MB 42.23 MB - -0.06% -
random/pr26854.c 4.34% 870.02 MB 907.81 MB - -0.02% -
random/pr39326.c 2.76% 152.86 MB 157.08 MB - -0.59% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d -13.90% 16.417 14.134 - -3.31% -
random/pr12392.cpp -12.13% 5.351 4.702 - 6.53% -
random/pr69609.c -10.59% 5.539 4.953 - -4.98% -
random/pr12850.cpp -8.28% 14.389 13.198 - -0.02% -
random/pr36439.cpp -7.85% 6.851 6.313 - 0.88% -
random/pr36498.cpp -6.91% 6.178 5.752 - 0.03% -
random/pr26854-2.c -6.06% 5.592 5.253 - 0.09% -
random/pr36291.cpp -5.97% 12.253 11.522 - -0.16% -
random/pr39326.c -5.89% 2.201 2.071 - 0.21% -
random/pr38518.c -4.36% 0.979 0.936 - 0.14% -
random/pr36262.c -4.08% 0.978 0.938 - 0.06% -
random/pr28071.c -3.65% 11.051 10.648 - -0.40% -
random/pr26854.c -3.13% 33.803 32.745 - 0.13% -

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/pr12392.cpp 6.53% 4.414 4.702 - -12.13% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -4.98% 5.212 4.953 - -10.59% -
tramp3d -3.31% 14.619 14.134 - -13.90% -
random/pr60243.c -2.13% 43.428 42.502 - 9.13% -

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


Report Time: 0.14s
Name Current %
random/empty.C 0.028 -
random/empty.c 0.026 -
random/pr12392.cpp 4.702 -12.13%
random/pr12850.cpp 13.198 -8.28%
random/pr26854-2.c 5.253 -6.06%
random/pr26854.c 32.745 -3.13%
random/pr28071.c 10.648 -3.65%
random/pr29433.cpp 15.679 -
random/pr36262.c 0.938 -4.08%
random/pr36291.cpp 11.522 -5.97%
random/pr36439.cpp 6.313 -7.85%
random/pr36498.cpp 5.752 -6.91%
random/pr38518.c 0.936 -4.36%
random/pr39326.c 2.071 -5.89%
random/pr60243.c 42.502 9.13%
random/pr69609.c 4.953 -10.59%
random/pr70614.c 0.307 -
tramp3d 14.134 -13.90%
Geometric Mean 3.147 -4.97%
Name Current %
random/empty.C 17.75 MB -
random/empty.c 16.31 MB -
random/pr12392.cpp 302.17 MB 22.62%
random/pr12850.cpp 495.09 MB 19.57%
random/pr26854-2.c 252.38 MB 8.43%
random/pr26854.c 907.81 MB 4.34%
random/pr28071.c 302.14 MB 8.31%
random/pr29433.cpp 1.91 GB -
random/pr36262.c 90.25 MB 7.15%
random/pr36291.cpp 509.71 MB 25.81%
random/pr36439.cpp 346.92 MB 42.93%
random/pr36498.cpp 325.36 MB 23.50%
random/pr38518.c 90.23 MB 7.16%
random/pr39326.c 157.08 MB 2.76%
random/pr60243.c 1.68 GB 27.23%
random/pr69609.c 362.05 MB 7.22%
random/pr70614.c 42.23 MB 4.58%
tramp3d 595.95 MB 16.00%
Geometric Mean 239.61 MB 12.09%