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: 1499.154
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 20191120 (experimental) f98d7a23d8fe9ea53e6a60fa87b3c52f928dc92a
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 f98d7a23d8fe9ea53e6a60fa87b3c52f928dc92a
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 1574211766000.f98d7a23d8fe9ea53e6a60fa87b3c52f928dc92a 2019-11-20T09:04:33.469618 0:01:31.953957
Previous 1574122909000.baacd859bdd910315ec116a2baea2e32fc70df62 2019-11-19T07:29:52.737868 0:01:30.198516
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102


Tests Summary

Status Group # # (B)
Performance Regressions 16 3
Performance Improvements 12 4
Added Tests 3 3
Unchanged Tests 293 314
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c 8.50% 39.031 42.348 - -2.49% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp 42.83% 242.64 MB 346.56 MB - -0.03% -
random/pr60243.c 27.32% 1.32 GB 1.68 GB - 0.26% -
random/pr36291.cpp 25.66% 405.46 MB 509.49 MB - 0.10% -
random/pr36498.cpp 23.55% 263.19 MB 325.16 MB - 0.08% -
random/pr12392.cpp 22.76% 246.27 MB 302.34 MB - 0.13% -
random/pr12850.cpp 19.70% 413.91 MB 495.45 MB - 0.03% -
tramp3d 16.12% 513.05 MB 595.73 MB - 0.04% -
random/pr26854-2.c 8.65% 232.99 MB 253.14 MB - 0.26% -
random/pr28071.c 8.42% 279.25 MB 302.76 MB - 0.12% -
random/pr69609.c 7.22% 337.89 MB 362.29 MB - 0.09% -
random/pr38518.c 6.83% 84.41 MB 90.17 MB - 0.51% -
random/pr36262.c 6.77% 84.41 MB 90.13 MB - 0.46% -
random/pr70614.c 4.61% 40.66 MB 42.54 MB - 0.66% -
random/pr26854.c 4.33% 870.39 MB 908.10 MB - 0.01% -
random/pr39326.c 2.12% 154.18 MB 157.45 MB - -0.35% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d -13.99% 16.450 14.149 - -3.21% -
random/pr36498.cpp -11.95% 6.208 5.467 - -4.93% -
random/pr12392.cpp -10.96% 4.956 4.413 - -0.02% -
random/pr36291.cpp -9.89% 12.788 11.524 - -0.14% -
random/pr12850.cpp -9.41% 14.560 13.190 - -0.08% -
random/pr36439.cpp -8.90% 6.853 6.243 - -0.23% -
random/pr26854.c -4.56% 33.952 32.403 - -0.92% -
random/pr28071.c -4.40% 11.154 10.663 - -0.26% -
random/pr26854-2.c -4.35% 5.591 5.347 - 1.89% -
random/pr69609.c -4.26% 5.197 4.976 - -4.54% -
random/pr36262.c -4.00% 0.971 0.932 - -0.57% -
random/pr38518.c -3.55% 0.969 0.935 - -0.02% -

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/pr29433.cpp 2.36% 15.730 16.101 - 0.79% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 2.80% 16.47 MB 16.93 MB - 0.00% -
random/empty.C 2.27% 17.59 MB 17.98 MB - 0.35% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp -4.93% 5.750 5.467 - -11.95% -
random/pr69609.c -4.54% 5.212 4.976 - -4.26% -
tramp3d -3.21% 14.619 14.149 - -13.99% -
random/pr60243.c -2.49% 43.428 42.348 - 8.50% -

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


Report Time: 0.21s
Name Current %
random/empty.c 16.93 MB -
random/empty.C 17.98 MB -
random/pr12392.cpp 302.34 MB 22.76%
random/pr12850.cpp 495.45 MB 19.70%
random/pr26854-2.c 253.14 MB 8.65%
random/pr26854.c 908.10 MB 4.33%
random/pr28071.c 302.76 MB 8.42%
random/pr29433.cpp 1.91 GB -
random/pr36262.c 90.13 MB 6.77%
random/pr36291.cpp 509.49 MB 25.66%
random/pr36439.cpp 346.56 MB 42.83%
random/pr36498.cpp 325.16 MB 23.55%
random/pr38518.c 90.17 MB 6.83%
random/pr39326.c 157.45 MB 2.12%
random/pr60243.c 1.68 GB 27.32%
random/pr69609.c 362.29 MB 7.22%
random/pr70614.c 42.54 MB 4.61%
tramp3d 595.73 MB 16.12%
Geometric Mean 240.45 MB 12.12%