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: 3257.010
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.84
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: 263696144 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 20191115 (experimental) fbbadf0018292a93d1d19dcf3c4f439b952abf86
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 fbbadf0018292a93d1d19dcf3c4f439b952abf86
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 1573788529000.fbbadf0018292a93d1d19dcf3c4f439b952abf86 2019-11-15T07:29:56.565928 0:01:28.822378
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 12 13
Performance Improvements 16 17
Added Tests 3 3
Unchanged Tests 293 291
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d 16.22% 14.096 16.382 - 12.06% -
random/pr36498.cpp 13.52% 5.735 6.511 - 13.23% -
random/pr12850.cpp 12.35% 12.987 14.591 - 10.54% -
random/pr36439.cpp 9.04% 6.297 6.866 - 9.72% -
random/pr36291.cpp 6.71% 11.509 12.282 - 6.43% -
random/pr26854-2.c 5.96% 5.261 5.575 - 6.22% -
random/pr12392.cpp 4.82% 4.711 4.938 - 11.88% -
random/pr36262.c 4.16% 0.936 0.975 - 4.00% -
random/pr26854.c 4.11% 32.491 33.825 - 3.43% -
random/pr38518.c 4.04% 0.938 0.976 - 4.32% -
random/pr28071.c 3.71% 10.647 11.042 - 3.28% -
random/pr39326.c 3.30% 2.077 2.146 - 3.81% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr69609.c -12.38% 4.961 4.347 - -16.61% -
random/pr60243.c -8.34% 42.533 38.985 - -10.23% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -29.98% 346.91 MB 242.89 MB - -29.94% -
random/pr60243.c -21.46% 1.68 GB 1.32 GB - -21.24% -
random/pr36291.cpp -20.49% 509.75 MB 405.28 MB - -20.37% -
random/pr36498.cpp -19.01% 325.48 MB 263.62 MB - -18.86% -
random/pr12392.cpp -18.45% 302.37 MB 246.58 MB - -18.34% -
random/pr12850.cpp -16.34% 495.16 MB 414.27 MB - -16.36% -
tramp3d -13.77% 596.09 MB 514.02 MB - -13.68% -
random/pr26854-2.c -7.69% 252.40 MB 232.98 MB - -7.72% -
random/pr28071.c -7.56% 302.21 MB 279.36 MB - -7.62% -
random/pr69609.c -6.70% 362.18 MB 337.91 MB - -6.65% -
random/pr36262.c -6.61% 90.25 MB 84.29 MB - -6.06% -
random/pr38518.c -6.61% 90.24 MB 84.28 MB - -6.06% -
random/pr70614.c -5.37% 42.90 MB 40.59 MB - -3.94% -
random/pr26854.c -4.14% 907.93 MB 870.36 MB - -4.15% -

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/pr36498.cpp 13.23% 5.750 6.511 - 13.52% -
tramp3d 12.06% 14.619 16.382 - 16.22% -
random/pr12392.cpp 11.88% 4.414 4.938 - 4.82% -
random/pr12850.cpp 10.54% 13.201 14.591 - 12.35% -
random/pr36439.cpp 9.72% 6.258 6.866 - 9.04% -
random/pr36291.cpp 6.43% 11.540 12.282 - 6.71% -
random/pr26854-2.c 6.22% 5.248 5.575 - 5.96% -
random/pr38518.c 4.32% 0.935 0.976 - 4.04% -
random/pr36262.c 4.00% 0.938 0.975 - 4.16% -
random/pr39326.c 3.81% 2.067 2.146 - 3.30% -
random/pr26854.c 3.43% 32.704 33.825 - 4.11% -
random/pr28071.c 3.28% 10.691 11.042 - 3.71% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 2.40% 16.47 MB 16.87 MB - -0.05% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -16.61% 5.212 4.347 - -12.38% -
random/pr60243.c -10.23% 43.428 38.985 - -8.34% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp -29.94% 346.68 MB 242.89 MB - -29.98% -
random/pr60243.c -21.24% 1.68 GB 1.32 GB - -21.46% -
random/pr36291.cpp -20.37% 508.96 MB 405.28 MB - -20.49% -
random/pr36498.cpp -18.86% 324.91 MB 263.62 MB - -19.01% -
random/pr12392.cpp -18.34% 301.95 MB 246.58 MB - -18.45% -
random/pr12850.cpp -16.36% 495.30 MB 414.27 MB - -16.34% -
tramp3d -13.68% 595.50 MB 514.02 MB - -13.77% -
random/pr26854-2.c -7.72% 252.48 MB 232.98 MB - -7.69% -
random/pr28071.c -7.62% 302.40 MB 279.36 MB - -7.56% -
random/pr69609.c -6.65% 361.97 MB 337.91 MB - -6.70% -
random/pr38518.c -6.06% 89.71 MB 84.28 MB - -6.61% -
random/pr36262.c -6.06% 89.72 MB 84.29 MB - -6.61% -
random/pr26854.c -4.15% 908.01 MB 870.36 MB - -4.14% -
random/pr70614.c -3.94% 42.26 MB 40.59 MB - -5.37% -
random/pr39326.c -2.49% 158.00 MB 154.07 MB - -1.96% -

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 16.87 MB -
random/empty.C 17.61 MB -
random/pr12392.cpp 246.58 MB -18.45%
random/pr12850.cpp 414.27 MB -16.34%
random/pr26854-2.c 232.98 MB -7.69%
random/pr26854.c 870.36 MB -4.14%
random/pr28071.c 279.36 MB -7.56%
random/pr29433.cpp 1.89 GB -
random/pr36262.c 84.29 MB -6.61%
random/pr36291.cpp 405.28 MB -20.49%
random/pr36439.cpp 242.89 MB -29.98%
random/pr36498.cpp 263.62 MB -19.01%
random/pr38518.c 84.28 MB -6.61%
random/pr39326.c 154.07 MB -
random/pr60243.c 1.32 GB -21.46%
random/pr69609.c 337.91 MB -6.70%
random/pr70614.c 40.59 MB -5.37%
tramp3d 514.02 MB -13.77%
Geometric Mean 214.22 MB -10.86%