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: 1500.385
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.49
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: 263729316 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 20191113 (experimental) 00bb511c162e8853b26943bd14212f69324d1f65
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 00bb511c162e8853b26943bd14212f69324d1f65
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 1573604185000.00bb511c162e8853b26943bd14212f69324d1f65 2019-11-13T07:30:28.838286 0:01:31.508830
Previous 1573534649000.219d7929fd76e41598ad761b0aac33c941dfb3d6 2019-11-12T09:35:01.495905 0:01:28.896245
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 13 13
Performance Improvements 17 16
Added Tests 3 3
Unchanged Tests 291 292
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d 16.47% 14.096 16.417 - 12.30% -
random/pr12392.cpp 13.58% 4.711 5.351 - 21.23% -
random/pr69609.c 11.67% 4.961 5.539 - 6.27% -
random/pr12850.cpp 10.80% 12.987 14.389 - 9.01% -
random/pr36439.cpp 8.79% 6.297 6.851 - 9.48% -
random/pr36498.cpp 7.72% 5.735 6.178 - 7.45% -
random/pr36291.cpp 6.46% 11.509 12.253 - 6.17% -
random/pr26854-2.c 6.29% 5.261 5.592 - 6.55% -
random/pr39326.c 5.94% 2.077 2.201 - 6.48% -
random/pr36262.c 4.47% 0.936 0.978 - 4.31% -
random/pr38518.c 4.42% 0.938 0.979 - 4.70% -
random/pr26854.c 4.04% 32.491 33.803 - 3.36% -
random/pr28071.c 3.79% 10.647 11.051 - 3.36% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c -8.43% 42.533 38.946 - -10.32% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -30.03% 346.91 MB 242.72 MB - -29.99% -
random/pr60243.c -21.47% 1.68 GB 1.32 GB - -21.25% -
random/pr36291.cpp -20.52% 509.75 MB 405.13 MB - -20.40% -
random/pr36498.cpp -19.06% 325.48 MB 263.46 MB - -18.91% -
random/pr12392.cpp -18.50% 302.37 MB 246.43 MB - -18.39% -
random/pr12850.cpp -16.38% 495.16 MB 414.04 MB - -16.41% -
tramp3d -13.81% 596.09 MB 513.75 MB - -13.73% -
random/pr26854-2.c -7.78% 252.40 MB 232.75 MB - -7.81% -
random/pr28071.c -7.69% 302.21 MB 278.96 MB - -7.75% -
random/pr69609.c -6.77% 362.18 MB 337.68 MB - -6.71% -
random/pr38518.c -6.68% 90.24 MB 84.21 MB - -6.14% -
random/pr36262.c -6.67% 90.25 MB 84.23 MB - -6.12% -
random/pr70614.c -5.86% 42.90 MB 40.38 MB - -4.44% -
random/pr26854.c -4.18% 907.93 MB 870.02 MB - -4.18% -
random/pr39326.c -2.73% 157.14 MB 152.86 MB - -3.26% -
random/empty.c -2.29% 16.88 MB 16.49 MB - 0.09% -

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 21.23% 4.414 5.351 - 13.58% -
tramp3d 12.30% 14.619 16.417 - 16.47% -
random/pr36439.cpp 9.48% 6.258 6.851 - 8.79% -
random/pr12850.cpp 9.01% 13.201 14.389 - 10.80% -
random/pr36498.cpp 7.45% 5.750 6.178 - 7.72% -
random/pr26854-2.c 6.55% 5.248 5.592 - 6.29% -
random/pr39326.c 6.48% 2.067 2.201 - 5.94% -
random/pr69609.c 6.27% 5.212 5.539 - 11.67% -
random/pr36291.cpp 6.17% 11.540 12.253 - 6.46% -
random/pr38518.c 4.70% 0.935 0.979 - 4.42% -
random/pr36262.c 4.31% 0.938 0.978 - 4.47% -
random/pr28071.c 3.36% 10.691 11.051 - 3.79% -
random/pr26854.c 3.36% 32.704 33.803 - 4.04% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -10.32% 43.428 38.946 - -8.43% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp -29.99% 346.68 MB 242.72 MB - -30.03% -
random/pr60243.c -21.25% 1.68 GB 1.32 GB - -21.47% -
random/pr36291.cpp -20.40% 508.96 MB 405.13 MB - -20.52% -
random/pr36498.cpp -18.91% 324.91 MB 263.46 MB - -19.06% -
random/pr12392.cpp -18.39% 301.95 MB 246.43 MB - -18.50% -
random/pr12850.cpp -16.41% 495.30 MB 414.04 MB - -16.38% -
tramp3d -13.73% 595.50 MB 513.75 MB - -13.81% -
random/pr26854-2.c -7.81% 252.48 MB 232.75 MB - -7.78% -
random/pr28071.c -7.75% 302.40 MB 278.96 MB - -7.69% -
random/pr69609.c -6.71% 361.97 MB 337.68 MB - -6.77% -
random/pr38518.c -6.14% 89.71 MB 84.21 MB - -6.68% -
random/pr36262.c -6.12% 89.72 MB 84.23 MB - -6.67% -
random/pr70614.c -4.44% 42.26 MB 40.38 MB - -5.86% -
random/pr26854.c -4.18% 908.01 MB 870.02 MB - -4.18% -
random/pr39326.c -3.26% 158.00 MB 152.86 MB - -2.73% -

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


Report Time: 0.12s
Name Current %
random/empty.c 16.49 MB -2.29%
random/empty.C 17.72 MB -
random/pr12392.cpp 246.43 MB -18.50%
random/pr12850.cpp 414.04 MB -16.38%
random/pr26854-2.c 232.75 MB -7.78%
random/pr26854.c 870.02 MB -4.18%
random/pr28071.c 278.96 MB -7.69%
random/pr29433.cpp 1.89 GB -
random/pr36262.c 84.23 MB -6.67%
random/pr36291.cpp 405.13 MB -20.52%
random/pr36439.cpp 242.72 MB -30.03%
random/pr36498.cpp 263.46 MB -19.06%
random/pr38518.c 84.21 MB -6.68%
random/pr39326.c 152.86 MB -2.73%
random/pr60243.c 1.32 GB -21.47%
random/pr69609.c 337.68 MB -6.77%
random/pr70614.c 40.38 MB -5.86%
tramp3d 513.75 MB -13.81%
Geometric Mean 213.77 MB -11.05%